FM2018 (英文版)

FM2018Bluetooth Stereo Audio Processor SOC FM2018 DatasheetBluetooth Stereo Audio Processor SOCBluetooth Stereo Audio Processor SOCContentFM2018 Datasheet (1)1. Overview ................................................................................................................................................................. 3 2. Applications ............................................................................................................................................................. 3 3. Features .. (3)3.1 Bluetooth Software Section Features ............................................................................................................. 3 3.2 AEC/NS Features ........................................................................................................................................... 4 3.3 MP3 Section Features .................................................................................................................................... 4 3.4 Hardware features .......................................................................................................................................... 4 4. Chip Functional Block Diagram .............................................................................................................................. 4 5. Chip Functional Block Description . (5)5.1 MCU .............................................................................................................................................................. 5 5.2 UART Interface .............................................................................................................................................. 6 5.3 I2C Interface .................................................................................................................................................. 6 5.4 LDO & Power ................................................................................................................................................ 7 5.5 USB ............................................................................................................................................................... 7 5.6 SARADC ....................................................................................................................................................... 8 5.7 Clock Architecture ......................................................................................................................................... 8 5.8 Audio CODEC ............................................................................................................................................... 9 5.9 Software (ROM) ............................................................................................................................................ 9 6. Package (10)6.1 QFN40(FM2018) ......................................................................................................................................... 10 6.2 Package Physical Dimensions ..................................................................................................................... 11 7. Pin Description (13)7.1 QFN40(FM2018) Pin Description ............................................................................................................... 13 7.2 FM2018 GPIO Function Description ........................................................................................................... 14 8. Electrical Characteristics (16)8.1 Absolute Maximum Ratings ........................................................................................................................ 16 8.2 Recommended Operating Conditions .......................................................................................................... 16 8.3 Power Consumption ..................................................................................................................................... 17 8.4 Audio CODEC ............................................................................................................................................. 17 8.5 AUX ADC .................................................................................................................................................... 18 8.6 Crystal oscillator .......................................................................................................................................... 18 8.7 Liner V oltage Regulator ............................................................................................................................... 19 9. Change List (19)FM2018Bluetooth Stereo Audio Processor SOC1. OverviewA highly integrated SOC for Bluetooth audio stream process and MP3 player, FM2018 integrates32-bits low power MCU, MP3 decoder, OTG, SD/MMC card controller, SARADC, Audio CODEC ，POWER KEY , RTC, Low Power Detect and Embedded voice processor in a single chip. Compared with traditional Bluetooth audio solution such as BT Soundbox 、BT Speaker 、BT Carkit and so on, FM2018 offers low cost, low power consumption, flexible and more powerful Bluetooth audio solution.FM2018 can easily integrate with industry-lead Bluetooth and FM chip for mobile applications. Manufacturers can easily and fast integrate RDA5876 and others HCI BT chip on their product to enable a rapid time to market.FM2018 uses CMOS process with a compact 5*5mm 40-pin QFN or 7*7mm 56-pin package for different applications.2. Applicationsz Bluetooth stereo soundbox z Bluetooth stereo speakerz Automotive stereo audio 、carkit z MP3 playerz Remote controller zMultimedia MCU3. Features3.1 Bluetooth Software Section Featuresz Bluetooth V2.1+EDR specification compliant z A2DP V1.2 and A VRCP V1.4 supported z HSP V1.2 and HFP V1.5 supportedz Easily integrate with Bluetooth controller such as RDA5876 using UART HCI interface zEmbedded SBC decoderFM2018Bluetooth Stereo Audio Processor SOC3.2 AEC/NS FeatureszAEC (acoustic echo cancellation) up to 60dB z Superior full-duplexz One microphone mode, ease for applicationz Acoustic echo tail length coverage: up to 64ms ~128ms z AGCz Noise suppression up to 20 db3.3 MP3 Section Featuresz Support MP3 decoderz Support FM or auxiliary audio input z Support USB audioz Support USB card reader zSupport Aux Line-in3.4 Hardware featuresz Embedded 32-bits low power Micro-Controller with on-chip ROM and RAM z OTG 2.0 full-speed controller z SD/MMC card controller z Embedded sound equalizerz Embedded 20-bit Audio CODECz Support external EEPROM using IIC interfacez PCM and I2S compatible interface support for external audio codec z High speed UART port for BT HCI interface z Low speed UART port for debugz Embedded 8 channel 10bit 1Mbpds SARADC for peripheral controls z Total 32 GPIOs for various purposesz Embedded RTC and 256 Bytes NVRAM for save external EEPROM data z Embedded Power-On-Resetz Embedded LVD(low voltage detect) z Embedded LDO(1.8V ,3.3V)z Support ONKEY power on and power off logicz Support software code patch update using SPI flash or EEPROM zSupport different package (QFN40)4. Chip Functional Block DiagramFM2018Bluetooth Stereo Audio Processor SOCCRY OUSB_DP MIC PC0-PC7,PD3-PD7SPI_CS/PA3TXDRXD PCMCLKPCMSYNCPCMIN PCMOUTSCLPD0-PD7RXD2/PA6Figure 1 FM2018 Functional Block Diagram5. Chip Functional Block Description5.1 MCUIntegration a power RISC MCU, the system clock frequency range : 0~96Mhz; MCU System clock frequency for different application:Application MCU System Clock Note Remote controller 12MhzBluetooth Stereo Audio Processor SOCStereo Bluetooth(FM2018+RDA5876)24Mhz Other additional application 48Mhz~96Mhz5.2 UART InterfaceFM2018 has two standard UART serial interfaces that provide a simple mechanism for communicatingwith other serial devices using the RS232 protocol. Below picture is a typical UART interface diagram.Figure 2 FM2018 typical serial interface diagramThe two UART interfaces, UART1 and UART2 functions description as below:1. UART1 Interface: 8-bit/character, 1 stop-bit protocol, default baud rate is 921600bps, used forinterface with BT HCI device such as RDA5876 and so on.2. UART2 Interface: 8-bit/character, 1 stop-bit protocol, default baud rate is 115200bps, used for debug.Host can program (read/write) the EEPROM through the UART2 interface.5.3 I2C InterfaceFM2018 has a standard IIC port used for interface with IIC compatible devices such as EEPROM and so on...The I2C port has two Pins, SCL and SDA with open drain output.The FM2018 I2C interface features as following:z Support both master and slave modez Support 100k standard speed mode and 400k fast speed mode z Support both 7bits and 10 bits address modeszI2C interface supporting fast speed mode for external EEPROM to store device configuration dataFM2018Bluetooth Stereo Audio Processor SOCBelow picture is a typical application for FM2018 I2C interface: Array5.4 LDO & PowerFM2018 integrated two low drop output regulator (LDO), one for 1.8V CORE power supply and the other for 3.3V I/O power supply.FM2018 LDO and power features as following:z Low power 1.8V core operation and 1.8V to 3.3V I/Oz Integrated 1.8VLDOsupporting 2.4V to4.2V input, maximum output load current: 100mAz Integrated 3.3VLDO supporting3.7V to4.2V input, maximum output load current: 150mAz Support standard Sniff/Hold power save mode and extended modesz Power down mode: <100uA5.5 USBThe FM2018 USB controller operates as a full-speed function controller during point-to-pointcommunications with USB Host, Device, or OTG functions. The controller complies with the USB 2.0 standardsz Complies with USB-IF certification standardsz USB 2.0 full-speed(12 Mbps)z 4 transfer types: Control, Interrupt, Bulk, and Isochronousz Integrate USB PHYBluetooth Stereo Audio Processor SOC5.6 SARADCFM2018 contains a 10-bit, 1MSPS SARADC. It can support up to 4 channels ADC input(4 channelreserved).Detail features as following:z 10-bit resolution, maximum 1Mhz conversion rate z 3.3V ± 10% Analog Power Supply z 1.8V ± 10% Digital Power Supply z Single-Ended 4 channels input, z One channel dedicated for ADKEYz ADC input shared with GPIO PAD(PB3-PB0) z Output Logic Coding: 000H~3FFH5.7 Clock ArchitectureFM2018 contain two crystal oscillators: 12/26MHz crystal oscillator and 32768Hz low power oscillator, and also contains two PLLs: PLL32K and PLL12M. FM2018 have two options for system clock generation:z Use12/26MHz crystal clock source to PLL generate system clock z Use 32768Hz crystal clock source to PLL generate system clockYou can reference the following picture for FM2018 clock architecture ：Figure 4 FM2018 clock schemeOSC OSC FM2018Bluetooth Stereo Audio Processor SOCDetails clock feature as following ：z Support 12/26MHz crystal clock inputz Support 32768Hz crystal clock input for low power RTC clockz Built-in two PLLs for flexible system application clock source configurationzOutput 32768Hz and 12/26MHz clock to BT device through PA7 and AIO for crystal share5.8 Audio CODECFM2018 integrated a low power, high quality 20bit CODEC. The CODEC block integrates drivers for headphone and differential or stereo line output. Advanced on-chip digital signal processing includes an equalizer, a mixed signal Automatic Level Control for the microphone or line input through the ADC. The CODEC operates at analogue supply voltages 1.8V, although the digital supply voltage can operate at voltages down to 1.72V to save power.Details feature as following:z Integrated high fidelity audio codec with SNR>90dB playback z DAC SNR 92dB, THD -86dB (‘A ’ weighted @ 48kHz) z ADC SNR 79dB, THD -75dB (‘A’ weighted @ 48kHz)z On-chip 20-bit stereo audio digital-to-analog converter (DAC) z On-chip 16-bit mono voice analog-to-digital converter (ADC)z Sample rates supported (kHz): 8, 11.025, 12, 16, 22.05, 24,32, 44.1, 48 z Integrated headphone amplifier in 40mW@32Ω supporting cap-less output z One channel microphone input with microphone driver5.9 Software (ROM)On-chip ROM software consists of:z Bluetooth software stack (ROM) z Headset Profile(HSP) V1.2 z Hands Free Profile (HFP) V1.5z Advanced Audio Distribution Profile(A2DP) V1.2 z Audio/Video Remote Control Profile(AVRCP) V1.4 z Headset/Hands-free on-chip applicationz Stereo audio playback and remote control application z Support UART software debug/configure mode z AT Commands interpreter z MP3/Udisk file system z MMI Applicationz Support SD/MMC software update modez Support external spi flash & EEPROM software patch updateFM2018Bluetooth Stereo Audio Processor SOC6. PackageFM2018 have three major package types for different applications such as QFN40.Name Package Note FM2018 QFN40Support external EEPROM6.1 QFN40(FM2018)FM2018Bluetooth Stereo Audio Processor SOCPCMCLKPCMSYNCPA6PA5PA0TXD USB_DMRXD USB_DP ADKEY RESETN CRYI AUXRIN CRYO AIO LDO_1V8 VBATLDO_3V3 VCOM DACL DACR VMID VDDA MIC MICBIAS PA1PA2PA3PA4PCMOUTVSSVDD18PCMINVDD33SCL SDA PB7PA7AUXLIN PB6Figure 8 FM2018 QFN40 Package Diagram6.2 Package Physical DimensionsBelow three pictures are FM2018 three type package physical dimensionsFM2018Bluetooth Stereo Audio Processor SOCFigure 9 FM2018 QFN40 Package Dimension FM2018Bluetooth Stereo Audio Processor SOC7. Pin DescriptionFM2018 is a CMOS device. Floating level on input signals will cause unstable device operation andabnormal current consumption. Pull-up or Pull-down resistors should be used appropriately for input orbidirectional pins.Notation DescriptionI Digital InputO Digital OutputAI Analog inputAO Analog outputIO Bidirectional(digital)OD Open DrainPWR PowerGND GroundTable 1 FM2018 Pin Notation Description7.1 QFN40(FM2018) Pin Description Pin name Pin# Type DescriptionUSB_DP 1 IOUSB Function D+ busRESETN 2 AI Chip power on reset pinADKEY 3 AI Chip ADC key for different functions usingCRYI 4 AI 12M/26M crystal inputCRYO 5 PWR 12M/26M crystal outputAIO 6 PWR 12M/26M clock output (analog 1.8V)LDO_1V8 7 PWR LDO 1.8V outputVBAT 8 AO LDO power inputLDO_3V3 9 AI LDO 3.3V outputAUXRIN 10 AI AUX right channel inputAUXLIN 11 AI AUX left channel inputVCOM 12 AO Audio common output (0.9V ，VDDA/2)DACL 13 AO Audio left channel outputDACR 14 AO Audio right channel outputVMID 15 AI Analog internal voltage referenceFM2018Bluetooth Stereo Audio Processor SOCVDDA 16 PWR CODEC Analog power output(1.8V)MIC 17 AI Audio MIC inputMICBIAS 18 AO MICBIAS outputPA1 19 IO GPIO Pin, default SPI_MISOPA2 20 IO GPIO Pin, default BT chip LDOEN controlPB6 21 IO GPIO Pin, default SPI clockPA3 22 IO GPIO Pin, default SDC clockPA4 23 IO GPIO Pin, default audio PA controlPCMOUT 24 O PCM data outputVSS 25 GND Digital groundVDD18 26 PWRDigital 1.8V power input PCMIN 27 I PCM data inputPCMCLK 28 IO PCM clock signalPCMSYNC 29 IO PCM frame sync signalVDD33 30 PWR Digital 3.3V power inputTXD 31 O UART1 transmitter data portPA6 32 IO GPIO Pin, default UART2 receiver data portPA5 33 IO GPIO Pin, default UART2 transmitter data portPA0 34 OD GPIO Pin, default LED driver,OD(opendrain)RXD 35 I UART1 receiver data portSCL 36 IO I2C clock or SD card command pinSDA 37 IO I2C data or SD card data pinPB7 38 IO GPIO Pin, default SPI MOSIPA7 39 IO GPIO Pin, default 32768 Hz clock outputUSB_DM 40 IO USB Function D- busTable 5 FM2018 QFN40 Pin Description7.2 FM2018 GPIO Function DescriptionPAD Name Type Functon1(Default)Functon2 Functon3PA0 ODOpen drain LED driver Reserved ReservedPA1 IO GPIO SPI_MISO(SPI master input slave output)ReservedPA2 IO GPIO(used as BT LDO enable control)Reserved ReservedPA3 IO GPIO SD_CLK(SD card clock) SPI_CS(SPI chipselect)PA4 IO GPIO(used as audio PA control)Reserved ReservedPA5 IO UART2_TXD(UART2 TXD) GPIO External interruptsource 5PA6 IO UART2_RXD(UART2 GPIO External interruptFM2018Bluetooth Stereo Audio Processor SOCRXD) source 6PA7 IO GPIO 32768Hz clock output ReservedPB0 IO ADCIN0(ADC channel 0 input)GPIO ReservedPB1 IO ADCIN1(ADC channel 1 input)GPIO ReservedPB2 IO ADCIN2(ADC channel 2 input)GPIO ReservedPB3 IO ADCIN3(ADKEY pin) GPIO ReservedPB4 IO GPIO External interrupt source 0ReservedPB5 IO GPIO External interrupt source 1ReservedPB6 IO GPIO External interrupt source 2SPI_CLK(SPI clock)PB7 IO GPIO External interrupt source 3 SPI_MOSI(SPI masteroutput slave input)PC0 IO LCD_SEG[0](LCD segment pin 0) LED_SEG[0](LED segment pin 0)GPIOPC1 IO LCD_SEG[1](LCD segment pin 1) LED_SEG[1](LED segment pin 1)GPIOPC2 IO LCD_SEG[2](LCD segment pin 2) LED_SEG[2](LED segment pin 2)GPIOPC3 IO LCD_SEG[3](LCD segment pin 3) LED_SEG[3](LED segment pin 3)GPIOPC4 IO LCD_SEG[4](LCD segment pin 4) LED_SEG[4](LED segment pin 4)GPIOPC5 IO LCD_SEG[5](LCD segment pin 5) LED_SEG[5](LED segment pin 5)GPIOPC6 IO LCD_SEG[6](LCD segment pin 6) LED_SEG[6](LED segment pin 6)GPIOPC7 IO LCD_SEG[7](LCD segment pin 7) LED_SEG[7](LED segment pin 7)GPIOPD0 IO GPIO SD_DAT[1](SD data 1) ReservedPD1 IO GPIO SD_DAT[2](SD data 2) ReservedPD2 IO GPIO SD_DAT[3](SD data 3) ReservedPD3 IO LCD_COM[0](LCD common pin 0) LED_COM[0](LED common pin 0)GPIOPD4 IO LCD_COM[1](LCD common pin 1) LED_COM[1](LED common pin 1)GPIOPD5 IO LCD_COM[2](LCD common pin 2) LED_COM[2](LED common pin 2)GPIOPD6 IO LCD_COM[3](LCD common pin 3) LED_COM[3](LED common pin 3)GPIOPD7 IO LCD_COM[4](LCD common pin 4) LED_COM[4](LED common pin 4)GPIOTable 6 FM2018 GPIO Function DescriptionFM2018Bluetooth Stereo Audio Processor SOC8. Electrical Characteristics8.1 Absolute Maximum Ratings Rating Min Max UnitStorage Temperature -40 125℃ Core Supply VoltageVDDA,VDD,LDO_1V8 -0.3 2.2 VI/O Voltage VDD33, LDO_3V3 -0.3 4.2 VSupply Voltage VBAT -0.3 4.5 VPA0/LED -0.3 4.5 VAnalog Terminal Voltages AIO,CRYI,CRYO,OSC32I,OSC32O,DACL,DACR,MIC,FMLIN,FMRIN,Vss-0.3 VDDA+0.3VAanlog 3.3V USBDP, USBDM, ADCIN(ADKEY,PB0,PB1)Vss-0.3 VDD33+0.3VDigital TerminalVoltages Vss-0.3 VDD33+0.3VTable 7 Absolute Maximum Ratings8.2 Recommended Operating ConditionsOperating Condition Min Typ Max UnitOperating Temperature Range -20 20 80℃ CoreSupplyVoltageVDDA,VDD,LDO_1V8 1.7 1.8 1.9 V I/O Voltage VDD33, LDO_3V3 2.4 3.3 3.6 VSupply VoltageVBAT 2.8 4.2 VTable 8 Recommended Operation ConditionsFM2018Bluetooth Stereo Audio Processor SOC8.3 Power Consumption Operation Mode Average Maximum UnitBluetooth A2DP (Play stereo music )35 mA Bluetooth SCO +AEC/NS (Phone call)55 mA Play music (SD/MMC) 45 mAStandby 2 mAPower off 65 μATable 9 Power Consumption8.4 Audio CODECAudio CODEC electrical parameterDigital to Analogue Converter(Stereo)PARAMETER CONDITIONS MIN TYP MAX UNIT Resolution - - - 20Bits Sampling frequency (Fs)* The synchronized clock signal8 48 kHz SNR(Signal to Noise Ratio)Fin=1kHzB/W=20Hz—20KHz A-Weighted THD_N<0.01%Fs(8K,16K,32K,44.1K,48K) 92dB Digital Gain Digital Gain Resolution=1/48dB-48 32 dB Analogue Gain Analog Gain Resolution = 3dB0 -30 dB Output voltage fulls-cale VDDA=1.8V 1500 mVStopband attenuation 65 dBAnalog to Digital Converter(Stereo)PARAMETER CONDITIONS MIN TYP MAX UNIT Resolution - - - 16 Bits Sampling frequency (Fs)* The synchronized clock signal8 48 kHz Signal to Noise RatioA-weighted 79 dBFS W/O weighting 79 dBFSDigital Gain Digital Gain Resolution=1/48dB-48 32 dB FM2018Bluetooth Stereo Audio Processor SOC Analogue GainAnalog Gain Resolution = 3dB 0 30 dBMicrophone BiasBias VoltageMBVSEL=00.9* AVD D V MBVSEL=11.39*AVD D V Bias Current SourceVMICBIAS within +/-3% 3 uA Output Noise Voltage 1kHz to 20kHz 15 nV/sq rt(Hz)Table 10 Audio CODEC electrical parameter8.5 AUX ADC10-bit 1MSPS SAR ADCParameter Conditions Min TYP Max UnitResolution - - - 10 Bits Reference voltage(vref) 3.0V 3.0 3.3 VFull scale input range 0vref VInput sampling capacitance(Cs) 5 pfInput sampling switch resistance(Rs) 1 Κ ΩSample rate(fs) 0.1 1 MhzClock frequency 1 12 MHzData latency 13 clock cryclesINL Fin =1Khz ±1 LSBDNL Fin =1Khz ±1 LSBNote: INL/DNL test at AVDD=3.3V, VREF=3.0V,Fs=1MhzTable 11 AUX ADC8.6 Crystal oscillatorCLOCK SOURCE MinTyp Max Unit Main Crystal OSC(12M/26Mhz) for Bluetooth RF applicationFM2018Bluetooth Stereo Audio Processor SOCClock Frequency 12 26 26Mhz Digital rim range 7.5pf Trim step size 0.1pf Tolerance +-20ppm Note: XTAL Load capacitance = 7.5pf32768 Crystal OSC (32768) Clock Frequency 32768Hz Tolerance +- 50ppmNote: 26Mhz & 32768 also can input from external clock sourceTable 12 Crystal Oscillator8.7 Liner Voltage Regulator Liner Voltage Regulator CharacteristicsPARAMETER CONDITIONS MIN TYP MAX UNIT LDO 3.3V (can software configuration)input voltage 2.4 3.7 4.6 V output voltage 2.3 3.3 3.6 V output current 200 mA Drop out voltage 300mV Configure step 0.1 V Load regulation @ I LOAD <100mA 68 mV/A LDO 1.8V (core voltage,)input voltage 2.2 3.7 4.6 V output voltage 1.7 1.78 1.85 V output current 150 mA Drop out voltage 300 mV Configure step 0.1 V Load regulation @ I LOAD <100mA 60 mV/ATable 13 Liner Voltage Regulator9. Change ListRevision HistoryDate Revision Description2013-09-11 V0.1 Initial2013-11-16 V1.0 Update package information2013-12-25 V1.1 Update Electrical CharacteristicsFM2018Bluetooth Stereo Audio Processor SOC 2014-01-09V1.2 Update package information and GPIO function description 2014-02-14 V1.3 Upade FR2985B Package descriptionFM2018。