ATMEL 51单片机选型列表
51系列单片机命名规则
51单片机命名规则89C518代表8位单片机9代表falsh存储器，此位置为0代表无rom，7代表eprom存储器c代表CMOS工艺，此位置为S代表ISP编程方式1代表片内程序存储器容量，容量大小对应为该位数字*4KB89C52:8KB容量at89s51_&_stc89c51命名规则本文介绍了最常见的两种厂家的单片机的命名规则.以后见了stc和atmel的单片机看看型号就知道,什么配置了.先说ATMEL公司的AT系列单片机89系列单片机的型号编码由三个部分组成，它们是前缀、型号和后缀。
格式如下：AT89C XXXXXXXX其中，AT是前缀，89CXXXX是型号，XXXX是后缀。
下面分别对这三个部分进行说明，并且对其中有关参数的表示和意义作相应的解释。
(l)前缀由字母“AT”组成，表示该器件是A TMEL公司的产品。
(2)型号由“89CXXXX”或“89LVXXXX”或“89SXXXX”等表示。
“89CXXXX”中，9是表示内部含Flash存储器，C表示为CMOS产品。
“89LVXXXX”中，LV表示低压产品。
“89SXXXX”中，S表示含有串行下载Flash存储器。
在这个部分的“XXXX”表示器件型号数，如51、1051、8252等。
(3)后缀由“XXXX”四个参数组成，每个参数的表示和意义不同。
在型号与后缀部分有“—”号隔开。
后缀中的第一个参数X用于表示速度，它的意义如下：X＝12，表示速度为12 MHz。
X＝20，表示速度为20 MHz。
X＝16，表示速度为16 MHz。
X＝24，表示速度为24 MHz。
后缀中的第二个参数X用于表示封装，它的意义如下：X＝D，表示陶瓷封装。
X＝Q，表示PQFP封装。
’X＝J，表示PLCC封装。
X＝A，表示TQFP封装。
X＝P，表示塑料双列直插DIP封装。
X＝W，表示裸芯片。
X＝S，表示SOIC封装。
后缀中第三个参数X用于表示温度范围，它的意义如下：X＝C，表示商业用产品，温度范围为0～十70℃。
ATMEL 单片机选型指南
Flash ISP (In-System Programmable)
芯片型号
描述
AT89C5115
Low-pin-count 8-bit Microcontroller with A/D Converter and 16K Bytes of Flash Memory We recommend to implement an external brown out to prevent any Flash/EEPROM corruption during power-on or power-off. Please refer to related application note: External Brown-out Protection for C51 Microcontrollers with Active High Reset Input
High performance 8-bit Microcontroller 16 kbytes Flash We recommend to implement an external brown out to prevent any Flash/EEPROM corruption during power-on or power-off. Please refer to related application note: External Brown-out Protection for C51 Microcontrollers with Active High Reset Input High performance 8-bit microcontroller 32 Kbytes Flash We recommend to implement an external brown out to prevent any Flash/EEPROM corruption during power-on or power-off. Please refer to related application note: External Brown-out Protection for C51 Microcontrollers with Active High Reset Input High performance 8-bit microcontroller with 64 Kbytes Flash
英飞凌单片机选型
英飞凌单片机选型引言概述：单片机是嵌入式系统领域最常用的集成电路之一，广泛应用于工业自动化、消费电子、通信设备等领域。
在选择单片机时，相对于其他品牌的产品，英飞凌的单片机以其出色的性能、可靠性和适应性备受认可。
本文将对英飞凌单片机选型进行详细阐述，帮助读者理解不同系列单片机的特点与应用场景，从而为项目的设计与开发提供有效的指导。
正文内容：I.英飞凌单片机系列介绍A.XMC系列单片机1.特点1：高性能和低功耗2.特点2：丰富的外设接口3.特点3：完善的开发工具链B.XC800系列单片机1.特点1：紧凑和简单的架构2.特点2：适用于低成本应用3.特点3：广泛的应用支持C.16位单片机系列1.特点1：高性能和可扩展性2.特点2：丰富的外设接口3.特点3：灵活的存储器选项II.英飞凌单片机选型指南A.应用需求分析1.项目类型与规模2.功能与性能需求3.软硬件资源限制B.可选择的单片机系列评估1.XMC系列的适用场景2.XC800系列的适用场景3.16位单片机系列的适用场景C.性能比较与评估1.性能参数分析2.功能对比与优势3.单片机可靠性评估III.英飞凌单片机选型实例A.工业自动化应用实例1.控制任务需求分析2.XMC系列单片机选型实例3.XC800系列单片机选型实例B.消费电子应用实例1.功能与性能需求分析2.XMC系列单片机选型实例3.16位单片机系列选型实例C.通信设备应用实例1.通信任务需求分析2.XMC系列单片机选型实例3.16位单片机系列选型实例IV.英飞凌单片机选型策略指导A.强大的技术支持与生态系统B.深入了解英飞凌单片机产品线C.根据应用场景选择合适的单片机系列V.总结在进行英飞凌单片机选型时，针对不同的应用需求和设计要求，我们可以根据项目规模、功能性能需求和软硬件资源限制等因素进行分析与评估。
本文介绍了不同系列英飞凌单片机的特点与适用场景，并提供了实例与选型指导，以帮助读者更好地选择合适的单片机系列。
台湾笙泉8051系列单片机选型表 20130627
4.5V~5.5V 2.4V~3.6V
64KB 256B+1024B
3 37 / 41
10bit , 8-CH 无
MA807
4.5V~5.5V
16KB
3
MA808
2.4V~3.6V
256B+256B
41
24MHz *2
MA816
4.5V~5.5V
16KB
3
256B+256B
57
无
x1
UART
无
x1
MA82G5A64 *0 2.0V~5.5V
封装
PDIP 20 / 16 / 8 SOP 20 / 16 / 8
SOP 28 / 20
20 系列( 1T , MTP )
型号 MA20E/L809
工作电压
L:2.4V~3.6V E:4.5V~5.5V
Flash ROM Data RAM
4KB 256B+128B
最高主频 25MHz *1
定时器 (16-BIT) IO
*5
软件可调
ISP
IAP
4KB Max
15KB Max
4KB Max
15KB Max
4KB Max
63KB
*5
Max
封装
LQFP48
LQFP48 LQFP64
Low-Speed USB Microcontroller
64 系列 ( 6502 , USB LS )
型号
工作电压
MG64F236 *使用内置晶振
FAX:86-755-82877039 / 82877063
FAX:86-21-54314771
Atmel 8051 微控制器家族 - 产品选择指南.pdf_1702133939.8143017说
Continued....Features Array•Compatible with MCS-51™ Products•4K Bytes of Reprogrammable Flash Memory–Endurance: 1,000 Write/Erase Cycles• 3.0V to 6V Operating Range•Fully Static Operation: 0 Hz to 24 MHz•Two-Level Program Memory Lock•128 x 8-Bit Internal RAM•15 Programmable I/O Lines•Two 16-Bit Timer/Counters•Six Interrupt Sources•Programmable Serial UART Channel•Direct LED Drive Outputs•On-Chip Analog Comparator•Low Power Idle and Power Down Modes•Brown-Out DetectionDescriptionThe AT89C4051 is a low-voltage, high-performance CMOS 8-bit microcomputer with 4K Bytes of Flash programmable and erasable read only memory (PEROM). The device is manufactured using Atmel’s high density nonvolatile memory technology and is compatible with the industry standard MCS-51™ instruction set. By combining a versatile 8-bit CPU with Flash on a monolithic chip, the Atmel AT89C4051 is a pow-erful microcomputer which provides a highly flexible and cost effective solution to many embedded control applications.The AT89C4051 provides the following standard features: 4K Bytes of Flash, 128 bytes of RAM, 15 I/O lines, two 16-bit timer/counters, a five vector two-level interrupt architecture, a full duplex serial port, a precision analog comparator, on-chip oscillator and clock circuitry. In addition, the AT89C4051 is designed with static logic for opera-tion down to zero frequency and supports two software-selectable power saving modes. The Idle Mode stops the CPU while allowing the RAM, timer/counters, serial port and interrupt system to continue functioning. The Power Down Mode saves the RAM contents but freezes the oscillator disabling all other chip functions until the nexthardware reset.Block DiagramAT89C4051Pin DescriptionV CCSupply voltage.GNDGround.Port 1Port 1 is an 8-bit bidirectional I/O port. Port pins P1.2 to P1.7 provide internal pullups. P1.0 and P1.1 require exter-nal pullups. P1.0 and P1.1 also serve as the positive input (AIN0) and the negative input (AIN1), respectively, of the on-chip precision analog comparator. The Port 1 output buffers can sink 20 mA and can drive LED displays directly. When 1s are written to Port 1 pins, they can be used as inputs. When pins P1.2 to P1.7 are used as inputs and are externally pulled low, they will source current (I IL) because of the internal pullups.Port 1 also receives code data during Flash programming and verification.Port 3Port 3 pins P3.0 to P3.5, P3.7 are seven bidirectional I/O pins with internal pullups. P3.6 is hard-wired as an input to the output of the on-chip comparator and is not accessible as a general purpose I/O pin. The Port 3 output buffers can sink 20 mA. When 1s are written to Port 3 pins they are pulled high by the internal pullups and can be used as inputs. As inputs, Port 3 pins that are externally being pulled low will source current (I IL) because of the pullups. Port 3 also serves the functions of various special features of the AT89C4051 as listed below:Port 3 also receives some control signals for Flash pro-gramming and verification.RSTReset input. All I/O pins are reset to 1s as soon as RST goes high. Holding the RST pin high for two machine cycles while the oscillator is running resets the device.Each machine cycle takes 12 oscillator or clock cycles. XTAL1Input to the inverting oscillator amplifier and input to the internal clock operating circuit. XTAL2Output from the inverting oscillator amplifier.Oscillator CharacteristicsXTAL1 and XTAL2 are the input and output, respectively, of an inverting amplifier which can be configured for use as an on-chip oscillator, as shown in Figure 1. Either a quartz crystal or ceramic resonator may be used. To drive the device from an external clock source, XTAL2 should be left unconnected while XTAL1 is driven as shown in Figure 2. There are no requirements on the duty cycle of the external clock signal, since the input to the internal clocking circuitry is through a divide-by-two flip-flop, but minimum and maxi-mum voltage high and low time specifications must be observed.Figure 1. Oscillator ConnectionsNote:C1, C2= 30 pF ± 10 pF for Crystals= 40 pF ± 10 pF for Ceramic Resonators Figure 2. External Clock Drive ConfigurationPort Pin Alternate FunctionsP3.0RXD (serial input port)P3.1TXD (serial output port) P3.2INT0 (external interrupt 0) P3.3INT1 (external interrupt 1) P3.4T0 (timer 0 external input) P3.5T1 (timer 1 external input)Special Function RegistersA map of the on-chip memory area called the Special Func-tion Register (SFR) space is shown in the table below. Note that not all of the addresses are occupied, and unoc-cupied addresses may not be implemented on the chip. Read accesses to these addresses will in general return random data, and write accesses will have an indetermi-nate er software should not write 1s to these unlisted loca-tions, since they may be used in future products to invoke new features. In that case, the reset or inactive values of the new bits will always be 0.Table 1. AT89C4051 SFR Map and Reset Values0F8H0FFH0F0H B000000000F7H 0E8H0EFH0E0H ACC000000000E7H 0D8H0DFH0D0H PSW000000000D7H 0C8H0CFH 0C0H0C7H0B8H IPXXX000000BFH0B0H P3111111110B7H0A8H IE0XX000000AFH 0A0H0A7H98H SCON00000000SBUFXXXXXXXX9FH90H P11111111197H88H TCON00000000TMOD00000000TL000000000TL100000000TH000000000TH1000000008FH80H SP00000111DPL00000000DPH00000000PCON0XXX000087HAT89C4051Restrictions on Certain InstructionsThe AT89C4051 is an economical and cost-effective mem-ber of Atmel’s growing family of microcontrollers. It contains 4K bytes of flash program memory. It is fully compatible with the MCS-51 architecture, and can be programmed using the MCS-51 instruction set. However, there are a few considerations one must keep in mind when utilizing certain instructions to program this device.All the instructions related to jumping or branching should be restricted such that the destination address falls within the physical program memory space of the device, which is 4K for the AT89C4051. This should be the responsibility of the software programmer. For example, LJMP 0FE0H would be a valid instruction for the AT89C4051 (with 4K of memory), whereas LJMP 1000H would not.1. Branching instructions:LCALL, LJMP, ACALL, AJMP, SJMP, JMP @A+DPTR These unconditional branching instructions will execute correctly as long as the programmer keeps in mind that the destination branching address must fall within the physical boundaries of the program memory size (locations 00H to FFFH for the 89C4051). Violating the physical space limits may cause unknown program behavior.CJNE [...], DJNZ [...], JB, JNB, JC, JNC, JBC, JZ, JNZ With these conditional branching instructions the same rule above applies. Again, violating the memory boundaries may cause erratic execution.For applications involving interrupts the normal interrupt service routine address locations of the 80C51 family archi-tecture have been preserved.2. MOVX-related instructions, Data Memory:The AT89C4051 contains 128 bytes of internal data mem-ory. Thus, in the AT89C4051 the stack depth is limited to 128 bytes, the amount of available RAM. External DATA memory access is not supported in this device, nor is exter-nal PROGRAM memory execution. Therefore, no MOVX [...] instructions should be included in the program.A typical 80C51 assembler will still assemble instructions, even if they are written in violation of the restrictions men-tioned above. It is the responsibility of the controller user to know the physical features and limitations of the device being used and adjust the instructions used correspond-ingly.Program Memory Lock BitsOn the chip are two lock bits which can be left unpro-grammed (U) or can be programmed (P) to obtain the addi-tional features listed in the table below:Lock Bit Protection Modes(1)Note: 1.The Lock Bits can only be erased with the Chip Erase operation.Idle ModeIn idle mode, the CPU puts itself to sleep while all the on-chip peripherals remain active. The mode is invoked by software. The content of the on-chip RAM and all the spe-cial functions registers remain unchanged during this mode. The idle mode can be terminated by any enabled interrupt or by a hardware reset.P1.0 and P1.1 should be set to ’0’ if no external pullups are used, or set to ’1’ if external pullups are used.It should be noted that when idle is terminated by a hard-ware reset, the device normally resumes program execu-tion, from where it left off, up to two machine cycles before the internal reset algorithm takes control. On-chip hardware inhibits access to internal RAM in this event, but access to the port pins is not inhibited. To eliminate the possibility of an unexpected write to a port pin when Idle is terminated by reset, the instruction following the one that invokes Idle should not be one that writes to a port pin or to external memory.Power Down ModeIn the power down mode the oscillator is stopped, and the instruction that invokes power down is the last instruction executed. The on-chip RAM and Special Function Regis-ters retain their values until the power down mode is termi-nated. The only exit from power down is a hardware reset. Reset redefines the SFRs but does not change the on-chip RAM. The reset should not be activated before V CC is restored to its normal operating level and must be held active long enough to allow the oscillator to restart and sta-bilize.P1.0 and P1.1 should be set to ’0’ if no external pullups are used, or set to ’1’ if external pullups are used.Program Lock BitsLB1LB2Protection Type1U U No program lock features.2P U Further programming of the Flashis disabled.3P P Same as mode 2, also verify isdisabled.Brown-Out DetectionWhen V CC drops below the detection threshold, all port pins (except P1.0 and P1.1) are weakly pulled high. When V CC goes back up again, an internal Reset is automatically generated after a delay of typically 15 msec. The nominal brown-out detection threshold is 2.3V ± 10%.Programming The FlashThe AT89C4051 is shipped with the 4K bytes of on-chip PEROM code memory array in the erased state (i.e., con-tents = FFH) and ready to be programmed. The code mem-ory array is programmed one byte at a time. Once the array is programmed, to re-program any non-blank byte, the entire memory array needs to be erased electrically. Internal Address Counter: The AT89C4051 contains an internal PEROM address counter which is always reset to 000H on the rising edge of RST and is advanced by apply-ing a positive going pulse to pin XTAL1.Programming Algorithm: To program the AT89C4051, the following sequence is recommended.1.Power-up sequence:Apply power between V CC and GND pinsSet RST and XTAL1 to GND2.Set pin RST to ’H’Set pin P3.2 to ’H’3.Apply the appropriate combination of ’H’ or ’L’ logiclevels to pins P3.3, P3.4, P3.5, P3.7 to select one of the programming operations shown in the PEROM Pro-gramming Modes table.To Program and Verify the Array:4.Apply data for Code byte at location 000H to P1.0 toP1.7.5.Raise RST to 12V to enable programming.6.Pulse P3.2 once to program a byte in the PEROM arrayor the lock bits. The byte-write cycle is self-timed and typically takes 1.2 ms.7.To verify the programmed data, lower RST from 12V tologic ’H’ level and set pins P3.3 to P3.7 to the appropriate levels. Output data can be read at the port P1 pins.8.To program a byte at the next address location, pulseXTAL1 pin once to advance the internal address counter.Apply new data to the port P1 pins.9.Repeat steps 5 through 8, changing data and advancingthe address counter for the entire 4K bytes array or until the end of the object file is reached.10.Power-off sequence:set XTAL1 to ’L’set RST to ’L’Turn V CC power offData Polling: The AT89C4051 features Data Polling to indicate the end of a write cycle. During a write cycle, an attempted read of the last byte written will result in the com-plement of the written data on P1.7. Once the write cycle has been completed, true data is valid on all outputs, and the next cycle may begin. Data Polling may begin any time after a write cycle has been initiated.Ready/Busy: The Progress of byte programming can also be monitored by the RDY/BSY output signal. Pin P3.1 is pulled low after P3.2 goes High during programming to indi-cate BUSY. P3.1 is pulled High again when programming is done to indicate READY.Program Verify: If lock bits LB1 and LB2 have not been programmed code data can be read back via the data lines for verification:1.Reset the internal address counter to 000H by bringingRST from ’L’ to ’H’.2.Apply the appropriate control signals for Read Code dataand read the output data at the port P1 pins.3.Pulse pin XTAL1 once to advance the internal addresscounter.4.Read the next code data byte at the port P1 pins.5.Repeat steps 3 and 4 until the entire array is read.The lock bits cannot be verified directly. Verification of the lock bits is achieved by observing that their features are enabled.Chip Erase: The entire PEROM array (4K bytes) and the two Lock Bits are erased electrically by using the proper combination of control signals and by holding P3.2 low for 10 ms. The code array is written with all “1”s in the Chip Erase operation and must be executed before any non-blank memory byte can be re-programmed.AT89C4051Reading the Signature Bytes: The signature bytes are read by the same procedure as a normal verification of locations 000H, 001H, and 002H, except that P3.5 and P3.7 must be pulled to a logic low. The values returned are as follows.(000H) = 1EH indicates manufactured by Atmel (001H) = 41H indicates 89C4051Programming InterfaceEvery code byte in the Flash array can be written and the entire array can be erased by using the appropriate combi-nation of control signals. The write operation cycle is self-timed and once initiated, will automatically time itself to completion.All major programming vendors offer worldwide support for the Atmel microcontroller series. Please contact your local programming vendor for the appropriate software revision.Flash Programming ModesNotes:1.The internal PEROM address counter is reset to 000H on the rising edge of RST and is advanced by a positive pulse atXT AL 1 pin.2.Chip Erase requires a 10-ms PROG pulse.3.P3.1 is pulled Low during programming to indicate RDY/BSY .ModeRST/VPP P3.2/PROGP3.3P3.4P3.5P3.7Write Code Data (1)(3)12VLHHHRead Code Data (1)H H L L H H Write LockBit - 112VHHHHBit - 212V H H L LChip Erase 12VH L L LRead Signature Byte H H L L L L(2)Figure 3. Programming the Flash MemoryFigure 4. Verifying the Flash MemoryFlash Programming and Verification CharacteristicsT A = 0°C to 70°C, V CC = 5.0 ± 10%Note:1. Only used in 12-volt programming mode.Symbol ParameterMin Max Units V PP Programming Enable Voltage 11.512.5V I PP Programming Enable Current 250µA t DVGL Data Setup to PROG Low 1.0µs t GHDX Data Hold After PROG 1.0µs t EHSH P3.4 (ENABLE) High to V PP 1.0µs t SHGL V PP Setup to PROG Low 10µs t GHSL V PP Hold After PROG 10µs t GLGH PROG Width1110µs t ELQV ENABLE Low to Data Valid 1.0µs t EHQZ Data Float After ENABLE 0 1.0µs t GHBL PROG High to BUSY Low 50ns t WC Byte Write Cycle Time2.0ms t BHIH RDY/BSY\ to Increment Clock Delay1.0µs t IHIL Increment Clock High200nsAT89C4051Flash Programming and Verification WaveformsAbsolute Maximum Ratings*Operating Temperature.................................-55°C to +125°C *NOTICE:Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent dam-age to the device. This is a stress rating only and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.Storage T emperature.....................................-65°C to +150°C Voltage on Any Pinwith Respect to Ground.....................................-1.0V to +7.0V Maximum Operating Voltage.............................................6.6V DC Output Current......................................................25.0 mADC CharacteristicsT A = -40°C to 85°C, V CC = 3.0V to 6.0V (unless otherwise noted)Notes:1.Under steady state (non-transient) conditions, I OL must be externally limited as follows:Maximum I OL per port pin: 20 mAMaximum total I OL for all output pins: 80 mAIf I OL exceeds the test condition, V OL may exceed the related specification. Pins are not guaranteed to sink current greater than the listed test conditions.2.Minimum V CC for Power Down is 2V .Symbol Parameter ConditionMin Max Units V IL Input Low Voltage -0.50.2 V CC - 0.1V V IH Input High Voltage (Except XT AL1, RST)0.2 V CC + 0.9V CC + 0.5V V IH1Input High Voltage (XT AL1, RST)0.7 V CCV CC + 0.5V V OL Output Low Voltage (1)(Ports 1, 3)I OL = 20 mA, V CC = 5V I OL = 10 mA, V CC = 2.7V 0.5V V OHOutput High Voltage (Ports 1, 3)I OH = -80 µA, V CC = 5V ± 10% 2.4V I OH = -30 µA 0.75 V CCV I OH = -12 µA0.9 V CCVI IL Logical 0 Input Current (Ports 1, 3)V IN = 0.45V-50µA I TL Logical 1 to 0 T ransition Current (Ports 1, 3)V IN = 2V , V CC = 5V ± 10%-750µA I LI Input Leakage Current (Port P1.0, P1.1)0 < V IN < V CC ±10µA V OS Comparator Input Offset Voltage V CC = 5V20mV V CM Comparator Input Common Mode Voltage0V CC V RRST Reset Pulldown Resistor 50300K ΩC IO Pin Capacitance T est Freq. = 1 MHz, T A = 25°C 10pF I CCPower Supply CurrentActive Mode, 12 MHz, V CC = 6V/3V 15/5.5mA Idle Mode, 12 MHz, V CC = 6V/3V P1.0 & P1.1 = 0V or V CC5/1mA Power Down Mode (2)V CC = 6V P1.0 & P1.1 = 0V or V CC 100µA V CC = 3V P1.0 & P1.1 = 0V or V CC20µAExternal Clock Drive WaveformsExternal Clock DriveSymbol Parameter V CC = 3.0V to 6.0V V CC = 4.0V to 6.0V UnitsMin Max Min Max1/t CLCL Oscillator Frequency012024MHz t CLCL Clock Period83.341.6ns t CHCX High Time3015ns t CLCX Low Time3015ns t CLCH Rise Time2020ns t CHCL Fall Time2020nsSerial Port Timing: Shift Register Mode Test Conditions(V CC = 5.0V ± 20%; Load Capacitance = 80 pF)Shift Register Mode Timing WaveformsSymbolParameter12 MHz Osc Variable Oscillator UnitsMinMaxMin Maxt XLXL Serial Port Clock Cycle Time1.012t CLCL µs t QVXH Output Data Setup to Clock Rising Edge 70010t CLCL -133ns t XHQX Output Data Hold After Clock Rising Edge 502t CLCL -117ns t XHDX Input Data Hold After Clock Rising Edge 0ns t XHDVClock Rising Edge to Input Data Valid70010t CLCL -133nsAC Testing Input/Output Waveforms (1)Note: 1.AC Inputs during testing are driven at V CC - 0.5V for a logic 1 and 0.45V for a logic 0. Timing measure-ments are made at V IH min. for a logic 1 and V IL max. for a logic 0.Float Waveforms (1)Note: 1.For timing purposes, a port pin is no longer float-ing when a 100 mV change from load voltage occurs. A port pin begins to float when 100 mV change frothe loaded V OH /V OLlevel occurs.Notes: 1.XT AL1 tied to GND for I CC (power down)2.P.1.0 and P1.1 = V CC or GND3.Lock bits programmedOrdering InformationSpeed (MHz)PowerSupply Ordering Code Package Operation Range12 3.0V to 6.0V A T89C4051-12PCA T89C4051-12SC 20P320SCommercial(0°C to 70°C)A T89C4051-12PI A T89C4051-12SI 20P320SIndustrial(-40°C to 85°C)A T89C4051-12P A A T89C4051-12SA 20P320SAutomotive(-40°C to 105°C)24 4.0V to 6.0V A T89C4051-24PCA T89C4051-24SC 20P320SCommercial(0°C to 70°C)A T89C4051-24PI A T89C4051-24SI20P320SIndustrial(-40°C to 85°C) Package Type20P320 Lead, 0.300” Wide, Plastic Dual In-line Package (PDIP)20S20 Lead, 0.300” Wide, Plastic Gull Wing Small Outline (SOIC)AT89C4051 Packaging Information。
Atmel改变命名规则的芯片型号对照表
ATMLU对应ATMEL芯片：换代选型2011-04-25 23:57AT24C01BN-SH-B/T ATMEL ATMLU701 DIPAT24C01B-PU ATMEL ATMLU702 DIPAT24C02B-10PU-1.8 ATMEL ATMLU703 DIPAT24C02BN-SH-B/T ATMEL ATMLU704 DIPAT24C02B-PU ATMEL ATMLU705 DIPAT24C04-10PU-2.7 ATMEL ATMLU706 DIPAT24C04BN-SH-B ATMEL ATMLU707 DI PAT24C04N-10SU-2.7 ATMEL ATMLU708 DIPAT24C08A-10PU-2.7 ATMEL ATMLU709 DIPAT24C08A-10TU-2.7 ATMEL ATMLU710 DIPAT24C08AN-10SU-2.7 ATMEL ATMLU711 DIPAT24C128-10PU-2.7 ATMEL ATMLU712 DIPAT24C128N-10SU-2.7-SL383 ATMEL ATMLU713 DIPAT24C16A-10PU-2.7 ATMEL ATMLU714 DIPAT24C16A-10TI-1.8 ATMEL ATMLU715 DIP AT24C16AN-10SU-2.7 ATMEL ATMLU716 DIPAT24C16BN-SH-B ATMEL ATMLU717 DIP AT24C256B-10PU-1.8 ATMEL ATMLU718 DIPAT24C256BN-10SU-1.8 ATMEL ATMLU719DIPAT24C256BN-SH-T ATMEL ATMLU720 DIPAT24C256B-PU ATMELATMLU721 DIPAT24C256N-10SI18 ATMEL ATMLU722 DIPAT24C32A-10PU-2.7 ATMEL ATMLU723 DIPAT24C32AN-10SU-2.7 ATMEL ATMLU724 DIPAT24C32CN-SH-T ATMEL ATMLU72 5 DIPAT24C512-10PU-2.7 ATMEL ATMLU726 DIPAT24C512BN-SH25-B ATMEL ATMLU727 DIPAT24C512BN-SH-B ATMEL ATMLU728 DIPAT24C512B-PU25 ATMEL ATMLU7 29 DIPAT24C512N-10SU-2.7 ATMEL ATMLU730 DIPAT24C64A-10PU-2.7 ATMEL ATMLU731 DIPAT24C64AN-10SU-2.7 ATMEL ATMLU732 DIPAT24C64CN-SH-B ATMEL ATMLU7 33 DIPAT24C64CN-SH-T ATMEL ATMLU73 4 DIPAT25128A-10PU-2.7 ATMEL ATMLU735 DIPAT25256AN-10SU-2.7 ATMEL ATMLU736 DIPAT25DF041A-SH-B ATMEL ATMLU737 DIPAT25F1024AN-10SU-2.7-SL383 ATMELATMLU738 DIPAT25F512AN-10SU-2.7-SL383 ATMELATMLU739 DIPAT26DF081A-SSU-SL965 ATMELATMLU740 DIPAT26DF081A-SU-SL965 ATME L ATMLU741 DIPAT26DF161-SUATMEL ATMLU742 DIPAT26DF321-SU ATMELATMLU743 DIPAT27BV256-70JU ATMEL ATMLU744 DIPAT27C010-70PU ATMEL ATMLU74 5 DIPAT27C040-70PU ATMEL ATMLU746DIPAT27C256R-70JU ATMEL ATMLU747DIPAT27C256R-70PU ATMEL ATMLU748DIPAT27C512R-70JU ATMEL ATMLU749 DIPAT28BV256-20TU ATMEL ATMLU750 DIPAT28C256-15PU ATMEL ATMLU751 DIPAT28C64B-15JU ATMEL ATMLU752 DIPAT28C64B-15PU ATMEL ATMLU801 DIPAT28C64B-15SU ATMEL ATMLU802 DIPAT29C010A-70JU ATMEL ATMLU803 DIPAT29C020-90JU ATMEL ATMLU80 4 DIPAT29C020-90TU ATMEL ATMLU805 DIPAT29C040A-90JU ATMEL ATMLU806 DIPAT29C040A-90TU ATMEL ATMLU807DIPAT29LV020-10TU ATMEL ATMLU808 DIPAT29LV040A-15JU ATMEL ATMLU809 DIPAT29LV512-12JU ATMEL ATMLU810 DIPAT45DB021B-SU ATMEL ATMLU811 DIPAT45DB041D-SU ATMEL ATMLU812 DIPAT45DB081D-SU ATMEL ATMLU813 DIPAT45DB161D-SU ATMEL ATMLU814 DIPAT45DB161D-TU ATMEL ATMLU815 DIPAT45DB321D-SU ATMEL ATMLU816 DIPAT45DB321D-TU ATMEL ATMLU817 DIPAT45DB642D-TU ATMEL ATMLU818 DIPAT47BV163A-70TU ATMEL ATMLU819 DIPAT49BV040B-JU ATMEL ATMLU820 DIPAT49BV322DT-70TU ATMEL ATMLU821 DIPAT49BV512-90TU ATMEL ATMLU822 DIPAT73C213 ATMEL ATMLU823 DIPAT76C112 ATMEL ATMLU824 DIPAT76C120H-MU1-JZ208 ATMEL ATMLU825 DIPAT80251G2D-SLSUM ATMEL ATMLU826 DIPAT80C32X2-3CSUM ATMEL ATMLU827 DIPAT80C32X2-RLTUM ATMEL ATMLU828 DIPAT80C32X2-SLSUM ATMEL ATMLU829 DIPAT83C24-TISIL ATMEL ATMLU830 DIPAT88SC0104C-SU ATMEL ATMLU831 DIPAT88SC153-10SU ATMEL ATMLU832 DIPAT89C2051-12PU ATMEL ATMLU833 DIPAT89C2051-24PU ATMEL ATMLU835 DIPAT89C2051-24SU ATMEL ATMLU836 DIPAT89C4051-24PU ATMEL ATMLU837 DIPAT89C4051-24SU ATMEL ATMLU838 DIPAT89C5131A-S3SUM ATMEL ATMLU839 DIP AT89C51AC2-RLTUM ATMEL ATMLU840 DIP AT89C51CC01CA-RLTUM ATMEL ATMLU841 DIP AT89C51CC01CA-SLSUM ATMEL ATMLU842 DIP AT89C51CC01UA-RLTUM ATMEL ATMLU843 DIP AT89C51CC01UA-SLSUM ATMEL ATMLU844 DIP AT89C51ED2-RDTUM ATMEL ATMLU845 DIP AT89C51ED2-RLTUM ATMEL ATMLU846 DIP AT89C51ED2-SLSUM ATMEL ATMLU847 DIP AT89C51ED2-SMSUM ATMEL ATMLU848 DIP AT89C51RB2-3CSUM ATMEL ATMLU849 DIP AT89C51RB2-RLTUM ATMEL ATMLU850 DIP AT89C51RB2-SLSUM ATMEL ATMLU851 DIP AT89C51RC2-3CSUM ATMEL ATMLU852 DIP AT89C51RC-24JU ATMEL ATMLU901 DIPAT89C51RC-24PU ATMEL ATMLU902 DIPAT89C51RC2-RLTUM ATMEL ATMLU903 DIP AT89C51RC2-SLSUM ATMEL ATMLU904 DIPAT89C51RD2-SLRUM ATMEL ATMLU906 DIP AT89C51RD2-SLSUM ATMEL ATMLU907 DIP AT89C51-24PC ATMEL ATMLU908 DIPAT89C51-24PI ATMEL ATMLU909 DIPAT89C52-24JI ATMEL ATMLU910 DIPAT89C52-24PI ATMEL ATMLH701 SOPAT89C55WD-24AU ATMEL ATMLH702 SOP AT89C55WD-24JU ATMEL ATMLH703 SOP AT89C55WD-24PU ATMEL ATMLH704 SOP AT89LS52-16JU ATMEL ATMLH705 SOP AT89LS52-16PU ATMEL ATMLH706 SOP AT89LV51-12AI ATMEL ATMLH707 SOP AT89S51-24AU ATMEL ATMLH708 SOPAT89S51-24PU ATMEL ATMLH709 SOPAT89S52-24AU ATMEL ATMLH710 SOPAT89S52-24JU ATMEL ATMLH711 SOPAT89S52-24PU ATMEL ATMLH712 SOPAT89S54-3CSIM ATMEL ATMLH713 SOP AT89S54-SLSIM ATMEL ATMLH714 SOP AT89S58-SLSIM ATMEL ATMLH715 SOP AT89S8253-24AU ATMEL ATMLH716 SOP AT89S8253-24JU ATMEL ATMLH717 SOPAT90CAN128-16AU ATMEL ATMLH719 SOPAT90CAN32-16AU ATMEL ATMLH720 SOPAT91M40800-33AU ATMEL ATMLH721 SOPAT91M55800A-33AU ATMEL ATMLH722 SOP AT91RM9200-CJ-002 ATMEL ATMLH723 SOP AT91RM9200-QU-002 ATMEL ATMLH724 SOP AT91SAM7S256-AU-001 ATMEL ATMLH725 SOP AT91SAM7S321-AU ATMEL ATMLH726 SOPAT91SAM7S32-AU-001 ATMEL ATMLH727 SOP AT91SAM7S64-AU-001 ATMEL ATMLH728 SOP AT91SAM7SE32-AU ATMEL ATMLH729 SOPAT91SAM7X256-AU ATMEL ATMLH730 SOPAT91SAM9260-CJ ATMEL ATMLH731 SOPAT91SAM9260-EK ATMEL ATMLH732 SOPAT91SAM9261-EK ATMEL ATMLH733 SOPAT91SAM9261S-CU ATMEL ATMLH734 SOPAT91SAM9263-CU ATMEL ATMLH735 SOPAT91SAM7X-EK ATMEL ATMLH736 SOPAT91SAM-ICE ATMEL ATMLH737 SOPAT93C46-10PU-2.7 ATMEL ATMLH738 SOP AT93C46-10SU-2.7 ATMEL ATMLH739 SOP AT93C46DN-SH-B ATMEL ATMLH740 SOPAT93C56A-10PU-2.7 ATMEL ATMLH742 SOPAT93C56A-10SU-2.7 ATMEL ATMLH743 SOPAT93C66A-10PU27 ATMEL ATMLH744 SOPAT93C66A-10SU-2.7 ATMEL ATMLH745 SOPAT93C66A-10SU-2.7-SL383 ATMEL ATMLH746 SOP ATAVRDRAGON ATMEL ATMLH747 SOPATAVRISP2 ATMEL ATMLH748 SOPATF1502AS-15JC44 ATMEL ATMLH749 SOPATF1508AS-15AC100 ATMEL ATMLH750 SOPATF1508AS-15JC84 ATMEL ATMLH751 SOPATF16V8B-15JU ATMEL ATMLH752 SOPATF16V8B-15PC ATMEL ATMLH801 SOPATF16V8B-15PU ATMEL ATMLH802 SOPATF16V8BQL-15JC ATMEL ATMLH803 SOPATF20V8B-15JC ATMEL ATMLH804 SOP ATJTAGICE2 ATMEL ATMLH805 SOPATMEGA1280V-8AU ATMEL ATMLH806 SOP ATMEGA128-16AU ATMEL ATMLH807 SOP ATMEGA128L-8AU ATMEL ATMLH808 SOP ATMEGA16-16AU ATMEL ATMLH809 SOPATMEGA16-16PU ATMEL ATMLH810 SOPATMEGA162-16PU ATMEL ATMLH811 SOPATMEGA168-20AU ATMEL ATMLH813 SOP ATMEGA168-20MU ATMEL ATMLH814 SOP ATMEGA168-20PU ATMEL ATMLH815 SOP ATMEGA168V-10AU ATMEL ATMLH816 SOP ATMEGA169P-16AU ATMEL ATMLH817 SOP ATMEGA169PV-8AU ATMEL ATMLH818 SOP ATMEGA169V-8AU ATMEL ATMLH819 SOP ATMEGA16L-8AU ATMEL ATMLH820 SOP ATMEGA16L-8PU ATMEL ATMLH821 SOP ATMEGA32-16AU ATMEL ATMLH822 SOP ATMEGA32-16PU ATMEL ATMLH823 SOP ATMEGA325V-8MU ATMEL ATMLH824 SOP ATMEGA32L-8AU ATMEL ATMLH825 SOP ATMEGA32L-8PU ATMEL ATMLH826 SOP ATMEGA48-20AU ATMEL ATMLH827 SOP ATMEGA48V-10AU ATMEL ATMLH828 SOP ATMEGA48V-10PU ATMEL ATMLH829 SOP ATMEGA48V-10MU ATMEL ATMLH830 SOP ATMEGA640V-8AU ATMEL ATMLH831 SOP ATMEGA64-16AU ATMEL ATMLH832 SOP ATMEGA64L-8AU ATMEL ATMLH833 SOP ATMEGA8-16AU ATMEL ATMLH834 SOPATMEGA8515-16AU ATMEL ATMLH836 SOP ATMEGA8515-16JU ATMEL ATMLH837 SOP ATMEGA8515-16PU ATMEL ATMLH838 SOP ATMEGA8515L-8JU ATMEL ATMLH839 SOP ATMEGA8535-16JI ATMEL ATMLH840 SOP ATMEGA8535-16JU ATMEL ATMLH841 SOP ATMEGA8535-16PU ATMEL ATMLH842 SOP ATMEGA8535L-8AU ATMEL ATMLH843 SOP ATMEGA8535L-8JU ATMEL ATMLH844 SOP ATMEGA8535L-8PU ATMEL ATMLH845 SOP ATMEGA88-20AU ATMEL ATMLH846 SOP ATMEGA88-20MU ATMEL ATMLH847 SOP ATMEGA88-20PU ATMEL ATMLH848 SOP ATMEGA88V-10AU ATMEL ATMLH849 SOP ATMEGA88V-10MU ATMEL ATMLH850 SOP ATMEGA88V-10PU ATMEL ATMLH851 SOP ATMEGA8L-8AU ATMEL ATMLH852 SOP ATMEGA8L-8PU ATMEL ATMLH901 SOP ATTINY11L-2SU ATMEL ATMLH902 SOP ATTINY13-20SU ATMEL ATMLH903 SOP ATTINY13V-10PU ATMEL ATMLH904 SOP ATTINY13V-10SSU ATMEL ATMLH905 SOPATTINY15L-1PU ATMEL ATMLH907 SOPATTINY2313-20PU ATMEL ATMLH908 SOPATTINY2313-20SU ATMEL ATMLH909 SOPATTINY2313V-10PU ATMEL ATMLH910 SOPAT24C01BN-SH-B/T ATMEL ATMLU701 DIPAT24C01B-PI ATMEL ATMLU702 DIPAT24C02B-10PI-1.8 ATMEL ATMLU703 DIPAT24C02BN-SH-B/T ATMEL ATMLU704 DIPAT24C02B-PI ATMEL ATMLU705 DIPAT24C04-10PI-2.7 ATMEL ATMLU706 DIPAT24C04BN-SH-B ATMEL ATMLU707 DIPAT24C04N-10SI-2.7 ATMEL ATMLU708 DIPAT24C08A-10PI-2.7 ATMEL ATMLU709 DIPAT24C08A-10TI-2.7 ATMEL ATMLU710 DIPAT24C08AN-10SI-2.7 ATMEL ATMLU711 DIPAT24C128-10PI-2.7 ATMEL ATMLU712 DIPAT24C128N-10SI-2.7-SL383 ATMEL ATMLU713 DIP AT24C16A-10PI-2.7 ATMEL ATMLU714 DIPAT24C16A-10TI-1.8 ATMEL ATMLU715 DIPAT24C16AN-10SI-2.7 ATMEL ATMLU716 DIPAT24C16BN-SH-B ATMEL ATMLU717 DIPAT24C256B-10PI-1.8 ATMEL ATMLU718 DIPAT24C256BN-10SI-1.8 ATMEL ATMLU719 DIPAT24C256BN-SH-T ATMEL ATMLU720 DIPAT24C256B-PI ATMEL ATMLU721 DIPAT24C256N-10SI18 ATMEL ATMLU722 DIPAT24C32A-10PI-2.7 ATMEL ATMLU723 DIPAT24C32AN-10SI-2.7 ATMEL ATMLU724 DIPAT24C32CN-SH-T ATMEL ATMLU725 DIPAT24C512-10PI-2.7 ATMEL ATMLU726 DIPAT24C512BN-SH25-B ATMEL ATMLU727 DIPAT24C512BN-SH-B ATMEL ATMLU728 DIPAT24C512B-PI25 ATMEL ATMLU729 DIPAT24C512N-10SI-2.7 ATMEL ATMLU730 DIPAT24C64A-10PI-2.7 ATMEL ATMLU731 DIPAT24C64AN-10SI-2.7 ATMEL ATMLU732 DIPAT24C64CN-SH-B ATMEL ATMLU733 DIPAT24C64CN-SH-T ATMEL ATMLU734 DIPAT25128A-10PI-2.7 ATMEL ATMLU735 DIPAT25256AN-10SI-2.7 ATMEL ATMLU736 DIPAT25DF041A-SH-B ATMEL ATMLU737 DIPAT25F1024AN-10SI-2.7-SL383 ATMEL ATMLU738 DIP AT25F512AN-10SI-2.7-SL383 ATMEL ATMLU739 DIP AT26DF081A-SSI-SL965 ATMEL ATMLU740 DIPAT26DF081A-SI-SL965 ATMEL ATMLU741 DIPAT26DF321-SI ATMEL ATMLU743 DIP AT27BV256-70JI ATMEL ATMLU744 DIP AT27C010-70PI ATMEL ATMLU745 DIP AT27C040-70PI ATMEL ATMLU746 DIP AT27C256R-70JI ATMEL ATMLU747 DIP AT27C256R-70PI ATMEL ATMLU748 DIP AT27C512R-70JI ATMEL ATMLU749 DIP AT28BV256-20TI ATMEL ATMLU750 DIP AT28C256-15PI ATMEL ATMLU751 DIP AT28C64B-15JI ATMEL ATMLU752 DIP AT28C64B-15PI ATMEL ATMLU801 DIP AT28C64B-15SI ATMEL ATMLU802 DIP AT29C010A-70JI ATMEL ATMLU803 DIP AT29C020-90JI ATMEL ATMLU804 DIP AT29C020-90TI ATMEL ATMLU805 DIP AT29C040A-90JI ATMEL ATMLU806 DIP AT29C040A-90TI ATMEL ATMLU807 DIP AT29LV020-10TI ATMEL ATMLU808 DIP AT29LV040A-15JI ATMEL ATMLU809 DIP AT29LV512-12JI ATMEL ATMLU810 DIP AT45DB021B-SI ATMEL ATMLU811 DIP AT45DB041D-SI ATMEL ATMLU812 DIPAT45DB161D-SI ATMEL ATMLU814 DIPAT45DB161D-TI ATMEL ATMLU815 DIPAT45DB321D-SI ATMEL ATMLU816 DIPAT45DB321D-TI ATMEL ATMLU817 DIPAT45DB642D-TI ATMEL ATMLU818 DIPAT47BV163A-70TI ATMEL ATMLU819 DIPAT49BV040B-JI ATMEL ATMLU820 DIPAT49BV322DT-70TI ATMEL ATMLU821 DIP AT49BV512-90TI ATMEL ATMLU822 DIPAT73C213 ATMEL ATMLU823 DIPAT76C112 ATMEL ATMLU824 DIPAT76C120H-MI1-JZ208 ATMEL ATMLU825 DIP AT80251G2D-SLSIM ATMEL ATMLU826 DIP AT80C32X2-3CSIM ATMEL ATMLU827 DIPAT80C32X2-RLTIM ATMEL ATMLU828 DIPAT80C32X2-SLSIM ATMEL ATMLU829 DIPAT83C24-TISIL ATMEL ATMLU830 DIPAT88SC0104C-SI ATMEL ATMLU831 DIPAT88SC153-10SI ATMEL ATMLU832 DIPAT89C2051-12PI ATMEL ATMLU833 DIPAT89C2051-12SI ATMEL ATMLU834 DIPAT89C2051-24PI ATMEL ATMLU835 DIPAT89C4051-24PI ATMEL ATMLU837 DIPAT89C4051-24SI ATMEL ATMLU838 DIPAT89C5131A-S3SIM ATMEL ATMLU839 DIP AT89C51AC2-RLTIM ATMEL ATMLU840 DIP AT89C51CC01CA-RLTIM ATMEL ATMLU841 DIP AT89C51CC01CA-SLSIM ATMEL ATMLU842 DIP AT89C51CC01IA-RLTIM ATMEL ATMLU843 DIP AT89C51CC01IA-SLSIM ATMEL ATMLU844 DIP AT89C51ED2-RDTIM ATMEL ATMLU845 DIP AT89C51ED2-RLTIM ATMEL ATMLU846 DIP AT89C51ED2-SLSIM ATMEL ATMLU847 DIP AT89C51ED2-SMSIM ATMEL ATMLU848 DIP AT89C51RB2-3CSIM ATMEL ATMLU849 DIP AT89C51RB2-RLTIM ATMEL ATMLU850 DIP AT89C51RB2-SLSIM ATMEL ATMLU851 DIP AT89C51RC2-3CSIM ATMEL ATMLU852 DIP AT89C51RC-24JI ATMEL ATMLU901 DIPAT89C51RC-24PI ATMEL ATMLU902 DIPAT89C51RC2-RLTIM ATMEL ATMLU903 DIP AT89C51RC2-SLSIM ATMEL ATMLU904 DIP AT89C51RD2-RLTIM ATMEL ATMLU905 DIP AT89C51RD2-SLRIM ATMEL ATMLU906 DIPAT89C51-24PC ATMEL ATMLU908 DIP AT89C51-24PI ATMEL ATMLU909 DIP AT89C52-24JI ATMEL ATMLU910 DIP AT89C52-24PI ATMEL ATMLH701 SOP AT89C55WD-24AI ATMEL ATMLH702 SOP AT89C55WD-24JI ATMEL ATMLH703 SOP AT89C55WD-24PI ATMEL ATMLH704 SOP AT89LS52-16JI ATMEL ATMLH705 SOP AT89LS52-16PI ATMEL ATMLH706 SOP AT89LV51-12AI ATMEL ATMLH707 SOP AT89S51-24AI ATMEL ATMLH708 SOP AT89S51-24PI ATMEL ATMLH709 SOP AT89S52-24AI ATMEL ATMLH710 SOP AT89S52-24JI ATMEL ATMLH711 SOP AT89S52-24PI ATMEL ATMLH712 SOP AT89S54-3CSIM ATMEL ATMLH713 SOP AT89S54-SLSIM ATMEL ATMLH714 SOP AT89S58-SLSIM ATMEL ATMLH715 SOP AT89S8253-24AI ATMEL ATMLH716 SOP AT89S8253-24JI ATMEL ATMLH717 SOP AT89S8253-24PI ATMEL ATMLH718 SOP AT90CAN128-16AI ATMEL ATMLH719 SOPAT91M40800-33AI ATMEL ATMLH721 SOPAT91M55800A-33AI ATMEL ATMLH722 SOP AT91RM9200-CJ-002 ATMEL ATMLH723 SOP AT91RM9200-QI-002 ATMEL ATMLH724 SOP AT91SAM7S256-AI-001 ATMEL ATMLH725 SOP AT91SAM7S321-AI ATMEL ATMLH726 SOPAT91SAM7S32-AI-001 ATMEL ATMLH727 SOP AT91SAM7S64-AI-001 ATMEL ATMLH728 SOP AT91SAM7SE32-AI ATMEL ATMLH729 SOPAT91SAM7X256-AI ATMEL ATMLH730 SOPAT91SAM9260-CJ ATMEL ATMLH731 SOPAT91SAM9260-EK ATMEL ATMLH732 SOPAT91SAM9261-EK ATMEL ATMLH733 SOPAT91SAM9261S-CI ATMEL ATMLH734 SOPAT91SAM9263-CI ATMEL ATMLH735 SOPAT91SAM7X-EK ATMEL ATMLH736 SOPAT91SAM-ICE ATMEL ATMLH737 SOPAT93C46-10PI-2.7 ATMEL ATMLH738 SOP AT93C46-10SI-2.7 ATMEL ATMLH739 SOP AT93C46DN-SH-B ATMEL ATMLH740 SOPAT93C46D-TH-T ATMEL ATMLH741 SOPAT93C56A-10PI-2.7 ATMEL ATMLH742 SOPAT93C56A-10SI-2.7 ATMEL ATMLH743 SOPAT93C66A-10PI27 ATMEL ATMLH744 SOPAT93C66A-10SI-2.7 ATMEL ATMLH745 SOPAT93C66A-10SI-2.7-SL383 ATMEL ATMLH746 SOP ATAVRDRAGON ATMEL ATMLH747 SOPATAVRISP2 ATMEL ATMLH748 SOPATF1502AS-15JC44 ATMEL ATMLH749 SOPATF1508AS-15AC100 ATMEL ATMLH750 SOPATF1508AS-15JC84 ATMEL ATMLH751 SOPATF16V8B-15JI ATMEL ATMLH752 SOPATF16V8B-15PC ATMEL ATMLH801 SOPATF16V8B-15PI ATMEL ATMLH802 SOPATF16V8BQL-15JC ATMEL ATMLH803 SOPATF20V8B-15JC ATMEL ATMLH804 SOPAT JTAGICE MKII ATMEL ATMLH805 SOP ATMEGA1280V-8AI ATMEL ATMLH806 SOP ATMEGA128-16AI ATMEL ATMLH807 SOP ATMEGA128L-8AI ATMEL ATMLH808 SOP ATMEGA16-16AI ATMEL ATMLH809 SOPATMEGA16-16PI ATMEL ATMLH810 SOPATMEGA162-16PI ATMEL ATMLH811 SOP ATMEGA162V-8AI ATMEL ATMLH812 SOP ATMEGA168-20AI ATMEL ATMLH813 SOPATMEGA168-20MI ATMEL ATMLH814 SOP ATMEGA168-20PI ATMEL ATMLH815 SOP ATMEGA168V-10AI ATMEL ATMLH816 SOP ATMEGA169P-16AI ATMEL ATMLH817 SOP ATMEGA169PV-8AI ATMEL ATMLH818 SOP ATMEGA169V-8AI ATMEL ATMLH819 SOP ATMEGA16L-8AI ATMEL ATMLH820 SOP ATMEGA16L-8PI ATMEL ATMLH821 SOP ATMEGA32-16AI ATMEL ATMLH822 SOP ATMEGA32-16PI ATMEL ATMLH823 SOP ATMEGA325V-8MI ATMEL ATMLH824 SOP ATMEGA32L-8AI ATMEL ATMLH825 SOP ATMEGA32L-8PI ATMEL ATMLH826 SOP ATMEGA48-20AI ATMEL ATMLH827 SOP ATMEGA48V-10AI ATMEL ATMLH828 SOP ATMEGA48V-10PI ATMEL ATMLH829 SOP ATMEGA48V-10MI ATMEL ATMLH830 SOP ATMEGA640V-8AI ATMEL ATMLH831 SOP ATMEGA64-16AI ATMEL ATMLH832 SOP ATMEGA64L-8AI ATMEL ATMLH833 SOP ATMEGA8-16AI ATMEL ATMLH834 SOP ATMEGA8-16PI ATMEL ATMLH835 SOP ATMEGA8515-16AI ATMEL ATMLH836 SOPATMEGA8515-16PI ATMEL ATMLH838 SOP ATMEGA8515L-8JI ATMEL ATMLH839 SOP ATMEGA8535-16JI ATMEL ATMLH840 SOP ATMEGA8535-16JI ATMEL ATMLH841 SOP ATMEGA8535-16PI ATMEL ATMLH842 SOP ATMEGA8535L-8AI ATMEL ATMLH843 SOP ATMEGA8535L-8JI ATMEL ATMLH844 SOP ATMEGA8535L-8PI ATMEL ATMLH845 SOP ATMEGA88-20AI ATMEL ATMLH846 SOP ATMEGA88-20MI ATMEL ATMLH847 SOP ATMEGA88-20PI ATMEL ATMLH848 SOP ATMEGA88V-10AI ATMEL ATMLH849 SOP ATMEGA88V-10MI ATMEL ATMLH850 SOP ATMEGA88V-10PI ATMEL ATMLH851 SOP ATMEGA8L-8AI ATMEL ATMLH852 SOP ATMEGA8L-8PI ATMEL ATMLH901 SOP ATTINY11L-2SI ATMEL ATMLH902 SOP ATTINY13-20SI ATMEL ATMLH903 SOP ATTINY13V-10PI ATMEL ATMLH904 SOP ATTINY13V-10SSI ATMEL ATMLH905 SOP ATTINY13V-10SI ATMEL ATMLH906 SOP ATTINY15L-1PI ATMEL ATMLH907 SOPATTINY2313-20SI ATMEL ATMLH909 SOP ATTINY2313V-10PI ATMEL ATMLH910 SOP AT17LV010-10PI 1000 ATMEL0007AT17LV256-10JI 1000 ATMEL0008AT17LV256-10PC 1000 ATMEL0009AT17LV256-10PI 1000 ATMEL0010AT17LV512-10PC 1000 ATMEL0011AT17LV512-10PC 1000 ATMEL0012AT17LV512A-10PI 1000 ATMEL0013AT17LV65-10PI 1000 ATMEL0014AT22V10-15DC 1000 ATMEL0015AT22V10-15JC 1000 ATMEL0016AT22V10-15KC 1000 ATMEL0017AT22V10-20DC 1000 ATMEL0018AT22V10-20JC 1000 ATMEL0019AT22V10-25DC 1000 ATMEL0020AT22V10-25JC 1000 ATMEL0021AT22V10-25JI 1000 ATMEL0022AT22V10-25KC 1000 ATMEL0023AT22V10-35DC 1000 ATMEL0024AT22V10-35JC 1000 ATMEL0025AT22V10-35KC 1000 ATMEL0026AT22V10L-20PC 1000 ATMEL0028AT22V10L-25DC 1000 ATMEL0029AT22V10L-25JC 1000 ATMEL0030AT22V10L-25JI 1000 ATMEL0031AT22V10L-35DC 1000 ATMEL0032AT24C01-10PC 1000 ATMEL0033AT24C01-10PC2.5 1000 ATMEL0034 AT24C01-10PI 1000 ATMEL0035AT24C01-10PI2.5 1000 ATMEL0036 AT24C01-10SC 1000 ATMEL0037AT24C01A-10PC 8000 ATMEL0038AT24C01A-10SC 8000 ATMEL0039AT24C01A-10SI2.7 8000 ATMEL0040 AT24C01A-10SU-1.8V 8000 ATMEL0601 AT24C01A-10TI2.7 8000 ATMEL0041 AT24C01BN-SH-B 8000 ATMEL0042AT24C01BN-SH-T 8000 ATMEL0043AT24C01B-PU 8000 ATMEL0602AT24C01B-TH-B 8000 ATMEL0044AT24C01B-TH-T 8000 ATMEL0045AT24C01BTSU-T 8000 ATMEL0603AT24C01BU3-UU-T 8000 ATMEL0604AT24C01BY6-YH-T 8000 ATMEL0047 AT24C01N-10SC2.7 8000 ATMEL0048 AT24C02-10PC 8000 ATMEL0049AT24C02-10PC1.8 8000 ATMEL0050 AT24C02-10PI2.7 8000 ATMEL0051 AT24C02-10TI2.7 8000 ATMEL0052 AT24C02AN-10SU2.7 8000 ATMEL0605 AT24C02N-10SC1.8 8000 ATMEL0101 AT24C02N-10SI1.8 8000 ATMEL0102 AT24C04-10PI2.7 8000 ATMEL0103 AT24C04-10PU-2.7V 8000 ATMEL0606 AT24C04-10TI-2.7 8000 ATMEL0104 AT24C04-10TU-2.7 8000 ATMEL0607 AT24C04A-10TI-2.7 8000 ATMEL0105 AT24C04N-10SI1.8 8000 ATMEL0106 AT24C08-10PI2.7 8000 ATMEL0107 AT24C08A-10TI2.7 8000 ATMEL0108 AT24C08AN-10SI2.7 8000 ATMEL0109 AT24C08AN-10SU2.7 8000 ATMEL0608 AT24C1024-10PI2.7 8000 ATMEL0110 AT24C1024W-10SI2.7 8000 ATMEL0111 AT24C11-10PI-1.8 8000 ATMEL0112AT24C11-10PI-2.7 8000 ATMEL0114 AT24C11-10PU-1.8 8000 ATMEL0609 AT24C11-10PU-2.7 8000 ATMEL0610 AT24C11-10TI-1.8 8000 ATMEL0115 AT24C11-10TI-2.7 8000 ATMEL0116 AT24C11-10TQ-2.7 8000 ATMEL0117 AT24C11-10TSU-1.8 8000 ATMEL0611 AT24C11-10TU-1.8 8000 ATMEL0612 AT24C11-10TU-2.7 8000 ATMEL0613 AT24C11N-10SI-1.8 8000 ATMEL0118 AT24C11N-10SI-2.7 8000 ATMEL0119 AT24C11N-10SQ-2.7 8000 ATMEL0120 AT24C11N-10SU-1.8 8000 ATMEL0614 AT24C11N-10SU-2.7 8000 ATMEL0615 AT24C11-W1.8-11 8000 ATMEL0121 AT24C11-W2.7-11 8000 ATMEL0122 AT24C128-10PI2.7 8000 ATMEL0123 AT24C128-10TU-1.8 8000 ATMEL0616 AT24C128-10TU-2.7 8000 ATMEL0617 AT24C128N-10SI1.8 8000 ATMEL0124 AT24C128N-10SI2.7 8000 ATMEL0125 AT24C16-10PI 8000 ATMEL0126AT24C164-10PC 8000 ATMEL0128AT24C164-10PC2.7 8000 ATMEL0129 AT24C164-10PI 8000 ATMEL0130AT24C164-10SC 8000 ATMEL0131AT24C164-10SI1.8 8000 ATMEL0132 AT24C164-10SI2.7 8000 ATMEL0133 AT24C164-10SI-2.7 8000 ATMEL0134 AT24C16A-10PI2.7 8000 ATMEL0135 AT24C16A-10TI1.8 8000 ATMEL0136 AT24C16AN-10SI1.8 8000 ATMEL0137 AT24C16AN-10SI2.7 8000 ATMEL0138 AT24C16N-SC 8000 ATMEL0139AT24C16N-SI2.7 8000 ATMEL0140 AT24C21-10PC2.5 8000 ATMEL0141 AT24C21-10PC-2.5 8000 ATMEL0142 AT24C21-10SC2.5 8000 ATMEL0143 AT24C21-10SI2.5 8000 ATMEL0144 AT24C21-SC2.5 8000 ATMEL0145AT24C256-10CI-2.7 8000 ATMEL0146 AT24C256-10PC 8000 ATMEL0147AT24C256-10PI2.7 8000 ATMEL0148 AT24C256-10TI2.7 8000 ATMEL0149AT24C256N-10SI2.7 8000 ATMEL0151 AT24C256T1-10TI2.7 8000 ATMEL0152 AT24C257N-10SC-2.7 8000 ATMEL0201 AT24C32-10PC 8000 ATMEL0202AT24C32－10PI2.7 8000 ATMEL0203 AT24C32A-10PI2.7 8000 ATMEL0204 AT24C32AN-10SI2.7 8000 ATMEL0205 AT24C32N-10SI1.8 8000 ATMEL0206 AT24C32N-10SI2.7 8000 ATMEL0207 AT24C32N-SC 8000 ATMEL0208AT24C32W-10SI 8000 ATMEL0209AT24C512-10PI2.7 8000 ATMEL0210 AT24C512-10PU-2.7V 8000 ATMEL0618 AT24C512-10TI2.7 8000 ATMEL0211 AT24C512-10UI-2.7 8000 ATMEL0212 AT24C512C1-10CI2.7 8000 ATMEL0213 AT24C512N-10SI2.7 8000 ATMEL0214 AT24C512N-10SU2.7 8000 ATMEL0619 AT24C512W-10SI2.7 8000 ATMEL0215 AT24C64-10PC2.7 8000 ATMEL0216 AT24C64-10TI2.7 8000 ATMEL0217 AT24C64A-10PI2.7 8000 ATMEL0218AT24C64AN-10SU1.8 8000 ATMEL0620 AT24C64N-10SI1.8 8000 ATMEL0220 AT24C64N-10SI2.7 8000 ATMEL0221 AT24C64-SC 8000 ATMEL0222AT24RF08CN 1000 ATMEL0223。
51单片机寄存器汇总表
51单片机寄存器功能一览表21个特殊功能寄存器（52系列是26个）不连续地分布在128个字节的SFR存储空间中，地址空间为80H-FFH，在这片SFR空间中，包含有128个位地址空间，地址也是80H-FFH，但只有83个有效位地址，可对11个特殊功能寄存器的某些位作位寻址操作（这里介绍一个技巧：其地址能被8整除的都可以位寻址）。
在51单片机内部有一个CPU用来运算、控制，有四个并行I/O口，分别是P0、P1、P2、P3，有ROM，用来存放程序，有RAM，用来存放中间结果，此外还有定时/计数器，串行I/O 口，中断系统，以及一个内部的时钟电路。
在单片机中有一些独立的存储单元是用来控制这些器件的，被称之为特殊功能寄存器（SFR）。
这样的特殊功能寄存器51单片机共有21个并且都是可寻址的列表如下(其中带*号的为52系列所增加的特殊功能寄存器）：分别说明如下：1、ACC---是累加器，通常用A表示这是个什么东西，可不能从名字上理解，它是一个寄存器，而不是一个做加法的东西，为什么给它这么一个名字呢？或许是因为在运算器做运算时其中一个数一定是在ACC中的缘故吧。
它的名字特殊，身份也特殊，稍后在中篇中我们将学到指令，可以发现，所有的运算类指令都离不开它。
自身带有全零标志Z，若A＝0则Z＝1；若A≠0则z＝0。
该标志常用作程序分枝转移的判断条件。
2、B--一个寄存器在做乘、除法时放乘数或除数，不做乘除法时，随你怎么用。
3、PSW-----程序状态字。
这是一个很重要的东西，里面放了CPU工作时的很多状态，借此，我们可以了解CPU的当前状态，并作出相应的处理。
它的各位功能请看下表：下面我们逐一介绍各位的用途CY：进位标志。
8051中的运算器是一种8位的运算器，我们知道，8位运算器只能表示到0-255，如果做加法的话，两数相加可能会超过255，这样最高位就会丢失，造成运算的错误，怎么办？最高位就进到这里来。
这样就没事了。
ATMEL单片机51系列选型表
PLCC
TQFP
PLCC44
VQFPP44
PLCC68
VQFP64
型号/特性
AT80C5112
AT83C5103
AT83C5111
AT83C5112
AT83C51RB2
AT83C51RC2
AT87F55WD
程序存储器
8k ROM
12k掩膜
4k掩膜
8k掩膜
16k掩膜
32k掩膜
数据存储器
256
工作频率(MHz)
8k Flash
12kFlash
4k Flash
8k Flash
20kFlash
8k Flash
数据存储器
128
256
128
256
工作频率(MHz)
16
12
16
12
24
定时/计数器
2
3
2
3
UART通道
1
A/D转换器
WDT
SPI
ISP
yes
yes
工作电压(V)
2.7-6.0
4.6-6.0
封装形式
PDIP,PLCC,TQFP
DIL24,
SSOP24,
SSOP16
LQFP48,
PLCC52
DIL24,
SO24,
SSOP24
DIL24,
SO24/28,
SSOP24/28
DIL24,
SO24/28,
SSOP24/28
SO28,
PLCC28,
QFP32
型号/特性
T89C51AC2
T89C51IC2
T89C51RD2