芯天下
Silicon Laboratories Inc.

Silicon Laboratories Inc.- 微控制器模块

Silicon Laboratories Inc.(简称Silicon Labs)是一家全球性半导体公司,成立于1996年,总部位于美国德克萨斯州奥斯汀。该公司专注于高性能、模拟密集型混合信号集成电路的研发与销售。其产品使模拟世界与数字计算在机顶盒、电视、手机等众多应用中实现连接。核心产品线包括8位EFM8和32位EFM32微控制器系列,以及支持蓝牙、Zigbee、Thread和私有协议的多协议无线SoC EFR32系列。Silicon Labs还提供业界领先的隔离解决方案,如数字隔离器和隔离栅极驱动器,以及包括时钟、振荡器和缓冲器在内的精密定时器件。其产品组合还扩展到环境与光学传感器以及广播音视频组件。公司采用先进的CMOS工艺技术,提供高度集成的解决方案,显著降低功耗和电路板面积。Silicon Labs被公认为物联网(IoT)市场的领导者,服务于智能家居、工业自动化和汽车电子等领域。凭借世界级工程团队和强大的知识产权组合,公司持续推动无线连接和高效能处理的创新。其股票在纳斯达克上市,代码为SLAB。

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MODELS

微控制器模块 - 型号列表1,664 个型号

Series

Other Names

Package / Case

Package Type

On-Chip ADC

Package

Program Memory Size

Standard Package

Packaging

Factory Pack Quantity

Dimensions

Height

Unit Weight

Supplier Device Package

Family Name

Operating Supply Voltage

Number of Programmable I/Os

Maximum Operating Temperature

Minimum Operating Temperature

Supply Voltage - Max

Supply Voltage - Min

ADC Channels

Supplier Package

Standard Package Name

Minimum Operating Supply Voltage

Pin Count

Typical Operating Supply Voltage

Maximum Operating Supply Voltage

Lead Shape

Data Converters

Connectivity

Number of I /O

Peripherals

Length

Width

Pin Ct.

Mounting

Number of I/O

Package Width

Package Length

Package Height

制造商零件编号价格/库存PackageDevice CoreFamily NameProgram Memory TypeProgram Memory SizeMaximum SpeedData Bus WidthRAM SizeOperating Supply VoltageOperating TemperatureInterface TypeOn-Chip ADCNumber of Programmable I/OsNumber of TimersWatchdogStandard PackageRoHSCorePackage / CasePackagingProcessor SeriesCore ProcessorCore SizeOscillator TypeConnectivityNumber of I /OVoltage - Supply (Vcc/Vdd)PeripheralsSpeedrohsPackage TypeSeriesPin Ct.Temp RangeNDANCNREU RoHSInstruction Set ArchitectureMinimum Operating Temperature Supplier PackageStandard Package NameMaximum Operating Temperature Maximum Clock Rate Data Bus Width ProgrammabilityCore ArchitectureMaximum Speed CECC QualifiedMinimum Operating Supply Voltage Pin CountTypical Operating Supply Voltage Maximum Operating Supply Voltage Lead ShapeProduct CategoryMaximum Clock FrequencyData RAM SizeMaximum Operating TemperatureMounting StyleMinimum Operating TemperatureFactory Pack QuantitySupply Voltage - MaxSupply Voltage - MinTradenameEEPROM SizeUnit WeightData ConvertersOther NamesSupplier Device PackageNumber of I/OADC BitsADC ChannelsSpecial FeaturesMountingA/D Bit SizeA/D Channels AvailableUARTSPII2CPackage Width PCBPackage Length Package Height ADC ResolutionADCsDimensionsHeightLengthMaximum FrequencyMaximum Number of CAN ChannelsMaximum Number of Ethernet ChannelsMaximum Number of I2C ChannelsMaximum Number of LIN ChannelsMaximum Number of PCI ChannelsMaximum Number of SPI ChannelsMaximum Number of UART ChannelsMaximum Number of USART ChannelsMounting TypeNumber of ADC UnitsNumber of PWM UnitsPulse Width ModulationPWM ResolutionTimer ResolutionTimersTypical Operating Supply VoltageUSB ChannelsWidthLifeCaseFlash memory capacityNumber of inputs/outputsMultiplicityNumber of 16-bit timersEEPROM memory capacityGross weightClock frequencyRAM memory capacitySupply voltageIntegrated circuit typeCollective package [pcs]spgOn-Chip DAC
C8051F700-GQ
4
C8051F700-GQ

MCU 8-bit C8051F70x 8051 CISC 15KB Flash 2.5V/3.3V 64-Pin TQFP

silicon laboratories

询价64TQFP8051C8051F70xFlash15 KB25 MHz8 Bit512 byte2.5|3.3 V-40 to 85 °CI2C/SMBus/SPI/UART16-chx10-bit5441TraysRoHS Compliant8051TQFP-64TrayC805180518-BitInternalEBI/EMI, SMBus (2-Wire/I²C), SPI, UART/USART541.8 V ~ 3.6 VCap Sense, POR, PWM, Temp Sensor, WDT25MHzLead free / RoHS CompliantTQFPC8051F70064-40 to 85CNNCompliantCISC-40TQFPQFP85258Yes805125No1.8642.5|3.33.6Gull-wing8-bit Microcontrollers - MCU25 MHz512 B+ 85 CSMD/SMT- 40 C1601.9 V, 3.6 V1.7 V, 1.8 VQuickSense32 x 80.008985 ozA/D 16x10b---1016Programmable Counter ArraySMD10 bit16111----10bit1(16 x 10 bit)12 x 12 x 1.05mm1.05mm12mm25MHz00000000Surface Mount121(16 bit), 1(8 to 11 bit)16 bit, 8 to 11 bit16bit4 x 16 bit1.8 → 3.6 V012mmNew Technology: Cutting edge technology for the newest designs.TQFP6415kB545432B3.5 g25MHz512B1.8...3.3V DCmicrocontroller '5155-
C8051F712-GQ
2
C8051F712-GQ

MCU 8-bit C8051F71x 8051 CISC 8KB Flash 1.8V/3V 48-Pin TQFP

silicon laboratories

询价48TQFP8051C8051F71xFlash8 KB25 MHz8 Bit512 byte1.8|3 V-40 to 85 °CI2C/SMBus/SPI/UART12-chx10-bit3941TraysRoHS Compliant8051TQFP-48TrayC805180518-BitInternalSMBus (2-Wire/I²C), SPI, UART/USART391.8 V ~ 3.6 VCap Sense, POR, PWM, Temp Sensor, WDT25MHzLead free / RoHS CompliantTQFP48C8051F71248-40 to 85CNNCompliantCISC-40TQFPQFP85258Yes805125No1.7|1.8481.8|31.9|3.6Gull-wing8-bit Microcontrollers - MCU25 MHz512 B+ 85 CSMD/SMT- 40 C2501.9 V, 3.6 V1.7 V, 1.8 VQuickSense32 x 80.004603 ozA/D 12x10b336-1644--1012--10 bit16----------------------------------------------
C8051F701-GQ
C8051F701-GQ

MCU 8-bit C8051F70x 8051 CISC 15KB Flash 1.8V/3V 64-Pin TQFP

silicon laboratories

询价64TQFP8051C8051F70xFlash15 KB25 MHz8 Bit512 byte1.8|3 V-40 to 85 °CI2C/SMBus/SPI/UARTNo5441TraysRoHS Compliant8051TQFP-64TrayC805180518-BitInternalEBI/EMI, SMBus (2-Wire/I²C), SPI, UART/USART541.8 V ~ 3.6 VCap Sense, POR, PWM, WDT25MHzLead free / RoHS CompliantTQFP64C8051F70164-40 to 85CNNCompliantCISC-40TQFPQFP85258Yes805125No1.7|1.8641.8|31.9|3.6Gull-wing8-bit Microcontrollers - MCU25 MHz512 B+ 85 CSMD/SMT- 40 C1601.9 V, 3.6 V1.7 V, 1.8 VQuickSense32 x 80.008985 oz--------------------------------------------------------
C8051F701-GQR
C8051F701-GQR

MCU 8-bit C8051F70x 8051 CISC 15KB Flash 1.8V/3V 64-Pin TQFP T/R

silicon laboratories

询价64TQFP8051C8051F70xFlash15 KB25 MHz8 Bit512 byte1.8|3 V-40 to 85 °CI2C/SMBus/SPI/UARTYes5441Tape & ReelRoHS Compliant805164-TQFPTape & Reel (TR)C805180518-BitInternalEBI/EMI, SMBus (2-Wire/I²C), SPI, UART/USART541.8 V ~ 3.6 VCap Sense, POR, PWM, WDT25MHzLead free / RoHS CompliantTQFP64C8051F70164-40 to 85CNN---------------------------32 x 8---64-TQFP (10x10)54----------------------------------------------------
C8051F702-GQR
C8051F702-GQR

MCU 8-bit C8051F70x 8051 CISC 16KB Flash 2.5V/3.3V 64-Pin TQFP T/R

silicon laboratories

询价64TQFP8051C8051F70xFlash16 KB25 MHz8 Bit512 byte2.5|3.3 V-40 to 85 °CI2C/SMBus/SPI/UART16-chx10-bit5441Tape & ReelRoHS Compliant805164-TQFPTape & Reel (TR)C805180518-BitInternalEBI/EMI, SMBus (2-Wire/I²C), SPI, UART/USART541.8 V ~ 3.6 VCap Sense, POR, PWM, Temp Sensor, WDT25MHzLead free / RoHS CompliantTQFP64C8051F70264-40 to 85CNN-----------------------------A/D 16x10b-64-TQFP (10x10)54--Programmable Counter Array-------------------------------------------------
C8051F703-GQ
C8051F703-GQ

MCU 8-bit C8051F70x 8051 CISC 16KB Flash 1.8V/3V 64-Pin TQFP

silicon laboratories

询价64TQFP8051C8051F70xFlash16 KB25 MHz8 Bit512 byte1.8|3 V-40 to 85 °CI2C/SMBus/SPI/UARTYes5441TraysRoHS Compliant805164-TQFPTrayC805180518-BitInternalEBI/EMI, SMBus (2-Wire/I²C), SPI, UART/USART541.8 V ~ 3.6 VCap Sense, POR, PWM, WDT25MHzLead free / RoHS CompliantTQFP64C8051F70364-40 to 85CNNCompliantCISC-40TQFPQFP85258Yes805125No1.7|1.8641.8|31.9|3.6Gull-wing8-bit Microcontrollers - MCU25 MHz512 B+ 85 CSMD/SMT- 40 C1601.9 V, 3.6 V1.7 V, 1.8 VQuickSense-0.008985 oz-336-1609------------------------------------------------------
C8051F704-GQ
3
C8051F704-GQ

MCU 8-bit C8051F70x 8051 CISC 15KB Flash 2.5V/3.3V 48-Pin TQFP

silicon laboratories

询价48TQFP8051C8051F70xFlash15 KB25 MHz8 Bit512 byte2.5|3.3 V-40 to 85 °CI2C/SMBus/SPI/UART12-chx10-bit3941TraysRoHS Compliant805148-TQFPTrayC805180518-BitInternalSMBus (2-Wire/I²C), SPI, UART/USART391.8 V ~ 3.6 VCap Sense, POR, PWM, Temp Sensor, WDT25MHzLead free / RoHS CompliantTQFPC8051F70448-40 to 85CNNCompliantCISC-40TQFPQFP85258Yes805125No1.8482.5|3.33.6Gull-wing8-bit Microcontrollers - MCU25 MHz512 B+85 °CSMD/SMT-40 °C2503.6 V1.8 VQuickSense32 x 80.004603 ozA/D 12x10b336-1611--1012Programmable Counter Array-10 bit16111----10bit1(16 x 10 bit)7 x 7 x 0.95mm0.95mm7mm25MHz00000000Surface Mount121(16 bit), 1(8 to 11 bit)16 bit, 8 to 11 bit16bit4 x 16 bit1.8 → 3.6 V07mm---------------
C8051F704-GQR
2
C8051F704-GQR

MCU 8-bit C8051F70x 8051 CISC 15KB Flash 2.5V/3.3V 48-Pin TQFP T/R

silicon laboratories

询价48TQFP8051C8051F70xFlash15 KB25 MHz8 Bit512 byte2.5|3.3 V-40 to 85 °CI2C/SMBus/SPI/UART12-chx10-bit3941Tape & ReelRoHS Compliant805148-TQFPTape & Reel (TR)C805180518-BitInternalSMBus (2-Wire/I²C), SPI, UART/USART391.8 V ~ 3.6 VCap Sense, POR, PWM, Temp Sensor, WDT25MHzLead free / RoHS CompliantTQFP48C8051F70448-40 to 85CNNCompliantCISC-40TQFPQFP85258Yes805125No1.8482.5|3.33.6Gull-wing----------32 x 8-A/D 12x10b-48-QFP (7x7)391012Programmable Counter ArraySurface Mount--11194891---------------------------------------
C8051F705-GMR
C8051F705-GMR

MCU 8-bit C8051F70x 8051 CISC 15KB Flash 1.8V/3V 48-Pin QFN EP T/R

silicon laboratories

询价48QFN EP8051C8051F70xFlash15 KB25 MHz8 Bit512 byte1.8|3 V-40 to 85 °CI2C/SMBus/SPI/UARTYes3941Tape & ReelRoHS Compliant805148-VFQFN Exposed PadTape & Reel (TR)C805180518-BitInternalSMBus (2-Wire/I²C), SPI, UART/USART391.8 V ~ 3.6 VCap Sense, POR, PWM, WDT25MHzLead free / RoHS CompliantQFN48C8051F70548-40 to 85CNNCompliantCISC-40QFN EPQFN85258Yes805125No1.7|1.8481.8|31.9|3.6No Lead----------32 x 8---48-QFN (7x7)39---Surface Mount-----74870.95(Max)---------------------------------------
C8051F705-GQ
2
C8051F705-GQ

MCU 8-bit C8051F70x 8051 CISC 15KB Flash 1.8V/3V 48-Pin TQFP

silicon laboratories

询价48TQFP8051C8051F70xFlash15 KB25 MHz8 Bit512 byte1.8|3 V-40 to 85 °CI2C/SMBus/SPI/UARTYes3941TraysRoHS Compliant805148-TQFPTrayC805180518-BitInternalSMBus (2-Wire/I²C), SPI, UART/USART391.8 V ~ 3.6 VCap Sense, POR, PWM, WDT25MHzLead free / RoHS CompliantTQFP48C8051F70548-40 to 85CNNCompliantCISC-40TQFPQFP85258Yes805125No1.7|1.8481.8|31.9|3.6Gull-wing8-bit Microcontrollers - MCU25 MHz512 B+ 85 CSMD/SMT- 40 C2501.9 V, 3.6 V1.7 V, 1.8 VQuickSense32 x 80.004603 oz-336-1613------------------------------------------------------
C8051F705-GQR
2
C8051F705-GQR

MCU 8-bit C8051F70x 8051 CISC 15KB Flash 1.8V/3V 48-Pin TQFP T/R

silicon laboratories

询价48TQFP8051C8051F70xFlash15 KB25 MHz8 Bit512 byte1.8|3 V-40 to 85 °CI2C/SMBus/SPI/UARTYes3941Tape & ReelRoHS Compliant805148-TQFPTape & Reel (TR)C805180518-BitInternalSMBus (2-Wire/I²C), SPI, UART/USART391.8 V ~ 3.6 VCap Sense, POR, PWM, WDT25MHzLead free / RoHS CompliantTQFP48C8051F70548-40 to 85CNNCompliantCISC-40TQFPQFP85258Yes805125No1.7|1.8481.8|31.9|3.6Gull-wing----------32 x 8---48-QFP (7x7)39---Surface Mount-----94891---------------------------------------
C8051F706-GM
4
C8051F706-GM

MCU 8-bit C8051F70x 8051 CISC 16KB Flash 2.5V/3.3V 48-Pin QFN EP

silicon laboratories

询价48QFN EP8051C8051F70xFlash16 KB25 MHz8 Bit512 byte2.5|3.3 V-40 to 85 °CI2C/SMBus/SPI/UART12-chx10-bit3941Rail / TubeRoHS Compliant805148-VFQFN Exposed PadTubeC805180518-BitInternalSMBus (2-Wire/I²C), SPI, UART/USART391.8 V ~ 3.6 VCap Sense, POR, PWM, Temp Sensor, WDT25MHzLead free / RoHS CompliantQFNC8051F70648-40 to 85CNNCompliantCISC-40QFN EPQFN85258Yes805125No1.8482.5|3.33.6No Lead8-bit Microcontrollers - MCU25 MHz512 B+85 °CSMD/SMT-40 °C433.6 V1.8 VQuickSense-0.004655 ozA/D 12x10b336-1604-5--1012Programmable Counter ArraySurface Mount10 bit1611174870.95(Max)10bit1(16 x 10 bit)7 x 7 x 1mm1mm7mm25MHz00000000Surface Mount121(16 bit), 1(8 to 11 bit)16 bit, 8 to 11 bit16bit4 x 16 bit1.8 → 3.6 V07mm---------------
C8051F706-GMR
C8051F706-GMR

MCU 8-bit C8051F70x 8051 CISC 16KB Flash 2.5V/3.3V 48-Pin QFN EP T/R

silicon laboratories

询价48QFN EP8051C8051F70xFlash16 KB25 MHz8 Bit512 byte2.5|3.3 V-40 to 85 °CI2C/SMBus/SPI/UART12-chx10-bit3941Tape & ReelRoHS Compliant805148-VFQFN Exposed PadTape & Reel (TR)C805180518-BitInternalSMBus (2-Wire/I²C), SPI, UART/USART391.8 V ~ 3.6 VCap Sense, POR, PWM, Temp Sensor, WDT25MHzLead free / RoHS CompliantQFN48C8051F70648-40 to 85CNNCompliantCISC-40QFN EPQFN85258Yes805125No1.8482.5|3.33.6No Lead------------A/D 12x10b-48-QFN (7x7)391012Programmable Counter ArraySurface Mount--11174870.95(Max)---------------------------------------
C8051F706-GQ
4
C8051F706-GQ

MCU 8-bit C8051F70x 8051 CISC 16KB Flash 2.5V/3.3V 48-Pin TQFP

silicon laboratories

询价48TQFP8051C8051F70xFlash16 KB25 MHz8 Bit512 byte2.5|3.3 V-40 to 85 °CI2C/SMBus/SPI/UART12-chx10-bit3941TraysRoHS Compliant805148-TQFPTrayC805180518-BitInternalSMBus (2-Wire/I²C), SPI, UART/USART391.8 V ~ 3.6 VCap Sense, POR, PWM, Temp Sensor, WDT25MHzLead free / RoHS CompliantTQFPC8051F70648-40 to 85CNNCompliantCISC-40TQFPQFP85258Yes805125No1.8482.5|3.33.6Gull-wing8-bit Microcontrollers - MCU25 MHz512 B+85 °CSMD/SMT-40 °C2503.6 V1.8 VQuickSense-0.004603 ozA/D 12x10b336-1636--1012Programmable Counter Array-10 bit16111----10bit1(16 x 10 bit)7 x 7 x 0.95mm0.95mm7mm25MHz00000000Surface Mount121(16 bit), 1(8 to 11 bit)16 bit, 8 to 11 bit16bit4 x 16 bit1.8 → 3.6 V07mm--------------No
C8051F707-GM
2
C8051F707-GM

MCU 8-bit C8051F70x 8051 CISC 16KB Flash 1.8V/3V 48-Pin QFN EP

silicon laboratories

询价48QFN EP8051C8051F70xFlash16 KB25 MHz8 Bit512 byte1.8|3 V-40 to 85 °CI2C/SMBus/SPI/UARTYes3941Rail / TubeRoHS Compliant805148-VFQFN Exposed PadTubeC805180518-BitInternalSMBus (2-Wire/I²C), SPI, UART/USART391.8 V ~ 3.6 VCap Sense, POR, PWM, WDT25MHzLead free / RoHS CompliantQFN48C8051F70748-40 to 85CNNCompliantCISC-40QFN EPQFN85258Yes805125No1.7|1.8481.8|31.9|3.6No Lead8-bit Microcontrollers - MCU25 MHz512 B+ 85 CSMD/SMT- 40 C431.9 V, 3.6 V1.7 V, 1.8 VQuickSense-0.004655 oz-336-1606-5------------------------------------------------------
C8051F707-GMR
C8051F707-GMR

MCU 8-bit C8051F70x 8051 CISC 16KB Flash 1.8V/3V 48-Pin QFN EP T/R

silicon laboratories

询价48QFN EP8051C8051F70xFlash16 KB25 MHz8 Bit512 byte1.8|3 V-40 to 85 °CI2C/SMBus/SPI/UARTYes3941Tape & ReelRoHS Compliant805148-VFQFN Exposed PadTape & Reel (TR)C805180518-BitInternalSMBus (2-Wire/I²C), SPI, UART/USART391.8 V ~ 3.6 VCap Sense, POR, PWM, WDT25MHzLead free / RoHS CompliantQFN48C8051F70748-40 to 85CNN-------------------------------48-QFN (7x7)39----------------------------------------------------
C8051F707-GQ
2
C8051F707-GQ

MCU 8-bit C8051F70x 8051 CISC 16KB Flash 1.8V/3V 48-Pin TQFP

silicon laboratories

询价48TQFP8051C8051F70xFlash16 KB25 MHz8 Bit512 byte1.8|3 V-40 to 85 °CI2C/SMBus/SPI/UARTYes3941TraysRoHS Compliant805148-TQFPTrayC805180518-BitInternalSMBus (2-Wire/I²C), SPI, UART/USART391.8 V ~ 3.6 VCap Sense, POR, PWM, WDT25MHzLead free / RoHS CompliantTQFP48C8051F70748-40 to 85CNNCompliantCISC-40TQFPQFP85258Yes805125No1.7|1.8481.8|31.9|3.6Gull-wing8-bit Microcontrollers - MCU25 MHz512 B+ 85 CSMD/SMT- 40 C2501.9 V, 3.6 V1.7 V, 1.8 VQuickSense-0.004603 oz-336-1638------------------------------------------------------
C8051F707-GQR
2
C8051F707-GQR

MCU 8-bit C8051F70x 8051 CISC 16KB Flash 1.8V/3V 48-Pin TQFP T/R

silicon laboratories

询价48TQFP8051C8051F70xFlash16 KB25 MHz8 Bit512 byte1.8|3 V-40 to 85 °CI2C/SMBus/SPI/UARTYes3941Tape & ReelRoHS Compliant805148-TQFPTape & Reel (TR)C805180518-BitInternalSMBus (2-Wire/I²C), SPI, UART/USART391.8 V ~ 3.6 VCap Sense, POR, PWM, WDT25MHzLead free / RoHS CompliantTQFP48C8051F70748-40 to 85CNNCompliantCISC-40TQFPQFP85258Yes805125No1.7|1.8481.8|31.9|3.6Gull-wing--------------48-QFP (7x7)39---Surface Mount-----94891---------------------------------------
C8051F708-GQ
C8051F708-GQ

MCU 8-bit C8051F70x 8051 CISC 8KB Flash 1.8V/3V 48-Pin TQFP

silicon laboratories

询价48TQFP8051C8051F70xFlash8 KB25 MHz8 Bit512 byte1.8|3 V-40 to 85 °CI2C/SMBus/SPI/UART16-chx10-bit5441TraysRoHS Compliant805164-TQFPTrayC805180518-BitInternalEBI/EMI, SMBus (2-Wire/I²C), SPI, UART/USART541.8 V ~ 3.6 VCap Sense, POR, PWM, Temp Sensor, WDT25MHzLead free / RoHS CompliantTQFP64C8051F70864-40 to 85CNNCompliantCISC-40TQFPQFP85258Yes805125No1.7|1.8481.8|31.9|3.6Gull-wing8-bit Microcontrollers - MCU25 MHz512 B+ 85 CSMD/SMT- 40 C1601.9 V, 3.6 V1.7 V, 1.8 VQuickSense32 x 80.008985 ozA/D 16x10b336-1639--1016--10 bit16----------------------------------------------
C8051F708-GQR
C8051F708-GQR

MCU 8-bit C8051F70x 8051 CISC 8KB Flash 1.8V/3V 48-Pin TQFP T/R

silicon laboratories

询价48TQFP8051C8051F70xFlash8 KB25 MHz8 Bit512 byte1.8|3 V-40 to 85 °CI2C/SMBus/SPI/UART16-chx10-bit5441Tape & ReelRoHS Compliant805164-TQFPTape & Reel (TR)C805180518-BitInternalEBI/EMI, SMBus (2-Wire/I²C), SPI, UART/USART541.8 V ~ 3.6 VCap Sense, POR, PWM, Temp Sensor, WDT25MHzLead free / RoHS CompliantTQFP64C8051F70864-40 to 85CNN---------------------------32 x 8-A/D 16x10b-64-TQFP (10x10)54----------------------------------------------------
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