Part Number Manufacturer / Brand Brife Description Part StatusCore ProcessorCore SizeSpeedConnectivityPeripheralsNumber of I/OProgram Memory SizeProgram Memory TypeEEPROM SizeRAM SizeVoltage - Supply (Vcc/Vdd)Data ConvertersOscillator TypeOperating TemperaturePackage / CaseSupplier Device Package
Silicon Labs IC MCU 32BIT 64KB FLASH 64TQFP Not For New DesignsARM® Cortex®-M332-Bit32MHzI²C, IrDA, SmartCard, SPI, UART/USARTBrown-out Detect/Reset, DMA, POR, PWM, WDT5364KB (64K x 8)FLASH
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16K x 81.98 V ~ 3.8 VA/D 8x12b, D/A 1x12bInternal-40°C ~ 85°C (TA)64-TQFP64-QFN (9x9)
Silicon Labs IC MCU 32BIT 128KB FLASH 81CSP ActiveARM® Cortex®-M332-Bit48MHzI²C, IrDA, SmartCard, SPI, UART/USART, USB OTGBrown-out Detect/Reset, DMA, I²S, POR, PWM, WDT65128KB (128K x 8)FLASH
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32K x 81.98 V ~ 3.8 VA/D 8x12b, D/A 1x12bInternal-40°C ~ 85°C (TA)81-UFBGA, CSPBGA81-CSP (4.35x4.27)
Silicon Labs IC MCU 32BIT 256KB FLASH 81CSP ActiveARM® Cortex®-M332-Bit48MHzI²C, IrDA, SmartCard, SPI, UART/USART, USB OTGBrown-out Detect/Reset, DMA, I²S, POR, PWM, WDT65256KB (256K x 8)FLASH
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32K x 81.98 V ~ 3.8 VA/D 8x12b, D/A 1x12bInternal-40°C ~ 85°C (TA)81-UFBGA, CSPBGA81-CSP (4.35x4.27)
Silicon Labs IC MCU 32BIT 256KB FLASH 81CSP ActiveARM® Cortex®-M432-Bit48MHzI²C, IrDA, SmartCard, SPI, UART/USART, USB OTGBrown-out Detect/Reset, DMA, I²S, POR, PWM, WDT65256KB (256K x 8)FLASH
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32K x 81.98 V ~ 3.8 VA/D 8x12b, D/A 1x12bInternal-40°C ~ 85°C (TA)81-UFBGA, CSPBGA81-CSP (4.35x4.27)
NXP USA Inc. IC MCU 16BIT 48KB FLASH 44LQFP Active56800E16-Bit60MHzCANbus, I²C, LINbus, SCI, SPILVD, POR, PWM, WDT3548KB (24K x 16)FLASH
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3K x 163 V ~ 3.6 VA/D 8x12b, D/A 1x12bInternal-40°C ~ 125°C (TA)44-LQFP44-LQFP (10x10)
NXP USA Inc. IC MCU 16BIT 48KB FLASH 44LQFP Active56800E16-Bit60MHzCANbus, I²C, LINbus, SCI, SPILVD, POR, PWM, WDT3548KB (24K x 16)FLASH
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3K x 163 V ~ 3.6 VA/D 8x12b, D/A 1x12bInternal-40°C ~ 105°C (TA)44-LQFP44-LQFP (10x10)
STMicroelectronics IC MCU 32BIT 64KB FLASH 48LQFP ActiveARM® Cortex®-M432-Bit72MHzI²C, IrDA, LINbus, SPI, UART/USARTDMA, I²S, POR, PWM, WDT3764KB (64K x 8)FLASH
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16K x 82 V ~ 3.6 VA/D 8x12b, D/A 1x12bInternal-40°C ~ 85°C (TA)48-LQFP48-LQFP (7x7)
STMicroelectronics IC MCU 32BIT 64KB FLASH 32UFQFPN ActiveARM® Cortex®-M432-Bit72MHzCANbus, I²C, IrDA, LINbus, SPI, UART/USART, USBDMA, I²S, POR, PWM, WDT2464KB (64K x 8)FLASH
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16K x 82 V ~ 3.6 VA/D 8x12b, D/A 1x12bInternal-40°C ~ 85°C (TA)32-UFQFN Exposed Pad32-UFQFPN (5x5)