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 8BIT 32KB FLASH 24QSOP Discontinued at -CIP-51 80518-Bit72MHzI²C, SMBus, SPI, UART/USARTBrown-out Detect/Reset, POR, PWM, WDT2132KB (32K x 8)FLASH
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2.25K x 82.2 V ~ 3.6 VA/D 13x14b, D/A 2x12bInternal-40°C ~ 105°C (TA)24-SSOP (0.154", 3.90mm Width)24-QSOP
Silicon Labs IC MCU 8BIT 32KB FLASH 24QFN Discontinued at -CIP-51 80518-Bit72MHzI²C, SMBus, SPI, UART/USARTBrown-out Detect/Reset, POR, PWM, WDT2032KB (32K x 8)FLASH
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2.25K x 82.2 V ~ 3.6 VA/D 12x14b, D/A 4x12bInternal-40°C ~ 105°C (TA)24-VFQFN Exposed Pad24-QFN (3x3)
Silicon Labs IC MCU 8BIT 32KB FLASH 32QFN Discontinued at -CIP-51 80518-Bit72MHzI²C, SMBus, SPI, UART/USARTBrown-out Detect/Reset, POR, PWM, WDT2932KB (32K x 8)FLASH
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2.25K x 82.2 V ~ 3.6 VA/D 20x14b, D/A 4x12bInternal-40°C ~ 105°C (TA)32-UFQFN Exposed Pad32-QFN (4x4)
Silicon Labs IC MCU 8BIT 32KB FLASH 32QFP Discontinued at -CIP-51 80518-Bit72MHzI²C, SMBus, SPI, UART/USARTBrown-out Detect/Reset, POR, PWM, WDT2832KB (32K x 8)FLASH
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2.25K x 82.2 V ~ 3.6 VA/D 20x14b, D/A 4x12bInternal-40°C ~ 105°C (TA)32-TQFP32-QFP (7x7)
Silicon Labs IC MCU 8BIT 32KB FLASH 24QSOP Discontinued at -CIP-51 80518-Bit72MHzI²C, SMBus, SPI, UART/USARTBrown-out Detect/Reset, POR, PWM, WDT2132KB (32K x 8)FLASH
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2.25K x 82.2 V ~ 3.6 VA/D 13x14b, D/A 4x12bInternal-40°C ~ 105°C (TA)24-SSOP (0.154", 3.90mm Width)24-QSOP
Silicon Labs IC MCU 8BIT 64KB FLASH 24QFN Discontinued at -CIP-51 80518-Bit72MHzI²C, SMBus, SPI, UART/USARTBrown-out Detect/Reset, POR, PWM, WDT2064KB (64K x 8)FLASH
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4.25K x 82.2 V ~ 3.6 VA/D 12x14b, D/A 4x12bInternal-40°C ~ 105°C (TA)24-VFQFN Exposed Pad24-QFN (3x3)
Silicon Labs IC MCU 8BIT 64KB FLASH 32QFN Discontinued at -CIP-51 80518-Bit72MHzI²C, SMBus, SPI, UART/USARTBrown-out Detect/Reset, POR, PWM, WDT2964KB (64K x 8)FLASH
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4.25K x 82.2 V ~ 3.6 VA/D 20x14b, D/A 4x12bInternal-40°C ~ 105°C (TA)32-UFQFN Exposed Pad32-QFN (4x4)
Silicon Labs IC MCU 8BIT 64KB FLASH 32QFP Discontinued at -CIP-51 80518-Bit72MHzI²C, SMBus, SPI, UART/USARTBrown-out Detect/Reset, POR, PWM, WDT2864KB (64K x 8)FLASH
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4.25K x 82.2 V ~ 3.6 VA/D 20x14b, D/A 4x12bInternal-40°C ~ 105°C (TA)32-TQFP32-QFP (7x7)
Silicon Labs IC MCU 8BIT 64KB FLASH 24QSOP Discontinued at -CIP-51 80518-Bit72MHzI²C, SMBus, SPI, UART/USARTBrown-out Detect/Reset, POR, PWM, WDT2164KB (64K x 8)FLASH
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4.25K x 82.2 V ~ 3.6 VA/D 13x14b, D/A 4x12bInternal-40°C ~ 105°C (TA)24-SSOP (0.154", 3.90mm Width)24-QSOP
Silicon Labs IC MCU 8BIT 16KB FLASH 24QSOP Discontinued at -CIP-51 80518-Bit50MHzI²C, SMBus, SPI, UART/USARTBrown-out Detect/Reset, POR, PWM, WDT2116KB (16K x 8)FLASH
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2.25K x 82.2 V ~ 3.6 VA/D 13x12b, D/A 2x12bInternal-40°C ~ 85°C (TA)24-SSOP (0.154", 3.90mm Width)24-QSOP
Silicon Labs IC MCU 8BIT 16KB FLASH 32QFN Discontinued at -CIP-51 80518-Bit50MHzI²C, SMBus, SPI, UART/USARTBrown-out Detect/Reset, POR, PWM, WDT2916KB (16K x 8)FLASH
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2.25K x 82.2 V ~ 3.6 VA/D 20x12b, D/A 2x12bInternal-40°C ~ 85°C (TA)32-UFQFN Exposed Pad32-QFN (4x4)
Silicon Labs IC MCU 8BIT 16KB FLASH 32QFP Discontinued at -CIP-51 80518-Bit50MHzI²C, SMBus, SPI, UART/USARTBrown-out Detect/Reset, POR, PWM, WDT2816KB (16K x 8)FLASH
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2.25K x 82.2 V ~ 3.6 VA/D 20x12b, D/A 2x12bInternal-40°C ~ 85°C (TA)32-TQFP32-QFP (7x7)
Silicon Labs IC MCU 8BIT 32KB FLASH 24QFN Discontinued at -CIP-51 80518-Bit50MHzI²C, SMBus, SPI, UART/USARTBrown-out Detect/Reset, POR, PWM, WDT2032KB (32K x 8)FLASH
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2.25K x 82.2 V ~ 3.6 VA/D 12x12b, D/A 2x12bInternal-40°C ~ 85°C (TA)24-VFQFN Exposed Pad24-QFN (3x3)
Silicon Labs IC MCU 8BIT 32KB FLASH 24QSOP Discontinued at -CIP-51 80518-Bit50MHzI²C, SMBus, SPI, UART/USARTBrown-out Detect/Reset, POR, PWM, WDT2132KB (32K x 8)FLASH
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2.25K x 82.2 V ~ 3.6 VA/D 13x12b, D/A 2x12bInternal-40°C ~ 85°C (TA)24-SSOP (0.154", 3.90mm Width)24-QSOP
Silicon Labs IC MCU 8BIT 32KB FLASH 32QFN Discontinued at -CIP-51 80518-Bit50MHzI²C, SMBus, SPI, UART/USARTBrown-out Detect/Reset, POR, PWM, WDT2932KB (32K x 8)FLASH
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2.25K x 82.2 V ~ 3.6 VA/D 20x12b, D/A 2x12bInternal-40°C ~ 85°C (TA)32-UQFN Exposed Pad32-QFN (4x4)
Silicon Labs IC MCU 8BIT 32KB FLASH 32QFP Discontinued at -CIP-51 80518-Bit50MHzI²C, SMBus, SPI, UART/USARTBrown-out Detect/Reset, POR, PWM, WDT2832KB (32K x 8)FLASH
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2.25K x 82.2 V ~ 3.6 VA/D 20x12b, D/A 2x12bInternal-40°C ~ 85°C (TA)32-TQFP32-QFP (7x7)
Silicon Labs IC MCU 8BIT 64KB FLASH 24QFN Discontinued at -CIP-51 80518-Bit50MHzI²C, SMBus, SPI, UART/USARTBrown-out Detect/Reset, POR, PWM, WDT2064KB (64K x 8)FLASH
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4.25K x 82.2 V ~ 3.6 VA/D 12x12b, D/A 4x12bInternal-40°C ~ 85°C (TA)24-VFQFN Exposed Pad24-QFN (3x3)
Silicon Labs IC MCU 8BIT 64KB FLASH 24QSOP Discontinued at -CIP-51 80518-Bit50MHzI²C, SMBus, SPI, UART/USARTBrown-out Detect/Reset, POR, PWM, WDT2164KB (64K x 8)FLASH
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4.25K x 82.2 V ~ 3.6 VA/D 13x12b, D/A 4x12bInternal-40°C ~ 85°C (TA)24-SSOP (0.154", 3.90mm Width)24-QSOP
Silicon Labs IC MCU 8BIT 64KB FLASH 32QFN Discontinued at -CIP-51 80518-Bit50MHzI²C, SMBus, SPI, UART/USARTBrown-out Detect/Reset, POR, PWM, WDT2964KB (64K x 8)FLASH
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4.25K x 82.2 V ~ 3.6 VA/D 20x12b, D/A 4x12bInternal-40°C ~ 85°C (TA)32-UFQFN Exposed Pad32-QFN (4x4)
Silicon Labs IC MCU 8BIT 64KB FLASH 32QFP Discontinued at -CIP-51 80518-Bit50MHzI²C, SMBus, SPI, UART/USARTBrown-out Detect/Reset, POR, PWM, WDT2864KB (64K x 8)FLASH
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4.25K x 82.2 V ~ 3.6 VA/D 20x12b, D/A 4x12bInternal-40°C ~ 85°C (TA)32-TQFP32-QFP (7x7)
Silicon Labs IC MCU 32BIT 256KB FLASH 48QFN Discontinued at -ARM® Cortex®-M432-Bit40MHzI²C, IrDA, LINbus, SmartCard, SPI, UART/USARTBrown-out Detect/Reset, DMA, I²S, POR, PWM, WDT32256KB (256K x 8)FLASH
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32K x 81.85 V ~ 3.8 VA/D 24x12bInternal-40°C ~ 85°C (TA)48-VFQFN Exposed Pad48-QFN (7x7)
Silicon Labs IC MCU 32BIT 128KB FLASH 48QFN Discontinued at -ARM® Cortex®-M432-Bit40MHzI²C, IrDA, LINbus, SmartCard, SPI, UART/USARTBrown-out Detect/Reset, DMA, I²S, POR, PWM, WDT32128KB (128K x 8)FLASH
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32K x 81.85 V ~ 3.8 VA/D 24x12bInternal-40°C ~ 85°C (TA)48-VFQFN Exposed Pad48-QFN (7x7)
Silicon Labs IC MCU 32BIT 256KB FLASH 32QFN Discontinued at -ARM® Cortex®-M432-Bit40MHzI²C, IrDA, LINbus, SmartCard, SPI, UART/USARTBrown-out Detect/Reset, DMA, I²S, POR, PWM, WDT20256KB (256K x 8)FLASH
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32K x 81.85 V ~ 3.8 VA/D 20x12bInternal-40°C ~ 85°C (TA)32-VFQFN Exposed Pad32-QFN (5x5)
Silicon Labs IC MCU 32BIT 128KB FLASH 32QFN Discontinued at -ARM® Cortex®-M432-Bit40MHzI²C, IrDA, LINbus, SmartCard, SPI, UART/USARTBrown-out Detect/Reset, DMA, I²S, POR, PWM, WDT20128KB (128K x 8)FLASH
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32K x 81.85 V ~ 3.8 VA/D 20x12bInternal-40°C ~ 85°C (TA)32-VFQFN Exposed Pad32-QFN (5x5)
Silicon Labs IC MCU 32BIT 256KB FLASH 32QFN Discontinued at -ARM® Cortex®-M432-Bit40MHzI²C, IrDA, LINbus, SmartCard, SPI, UART/USARTBrown-out Detect/Reset, DMA, I²S, POR, PWM, WDT24256KB (256K x 8)FLASH
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32K x 81.85 V ~ 3.8 VA/D 24x12bInternal-40°C ~ 85°C (TA)32-VFQFN Exposed Pad32-QFN (5x5)
Silicon Labs IC MCU 32BIT 256KB FLASH 48QFN Discontinued at -ARM® Cortex®-M332-Bit40MHzI²C, IrDA, LINbus, SmartCard, SPI, UART/USARTBrown-out Detect/Reset, DMA, I²S, POR, PWM, WDT32256KB (256K x 8)FLASH
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32K x 81.85 V ~ 3.8 VA/D 24x12bInternal-40°C ~ 85°C (TA)48-VFQFN Exposed Pad48-QFN (7x7)
Silicon Labs IC MCU 32BIT 128KB FLASH 48QFN Discontinued at -ARM® Cortex®-M332-Bit40MHzI²C, IrDA, LINbus, SmartCard, SPI, UART/USARTBrown-out Detect/Reset, DMA, I²S, POR, PWM, WDT32128KB (128K x 8)FLASH
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32K x 81.85 V ~ 3.8 VA/D 24x12bInternal-40°C ~ 85°C (TA)48-VFQFN Exposed Pad48-QFN (7x7)
Silicon Labs IC MCU 32BIT 256KB FLASH 32QFN Discontinued at -ARM® Cortex®-M332-Bit40MHzI²C, IrDA, LINbus, SmartCard, SPI, UART/USARTBrown-out Detect/Reset, DMA, I²S, POR, PWM, WDT20256KB (256K x 8)FLASH
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32K x 81.85 V ~ 3.8 VA/D 20x12bInternal-40°C ~ 85°C (TA)32-VFQFN Exposed Pad32-QFN (5x5)
Silicon Labs IC MCU 32BIT 128KB FLASH 32QFN Discontinued at -ARM® Cortex®-M332-Bit40MHzI²C, IrDA, LINbus, SmartCard, SPI, UART/USARTBrown-out Detect/Reset, DMA, I²S, POR, PWM, WDT20128KB (128K x 8)FLASH
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32K x 81.85 V ~ 3.8 VA/D 20x12bInternal-40°C ~ 85°C (TA)32-VFQFN Exposed Pad32-QFN (5x5)
Silicon Labs IC MCU 32BIT 256KB FLASH 32QFN Discontinued at -ARM® Cortex®-M332-Bit40MHzI²C, IrDA, LINbus, SmartCard, SPI, UART/USARTBrown-out Detect/Reset, DMA, I²S, POR, PWM, WDT20256KB (256K x 8)FLASH
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32K x 81.85 V ~ 3.8 VA/D 24x12bInternal-40°C ~ 85°C (TA)32-VFQFN Exposed Pad32-QFN (5x5)
Silicon Labs IC MCU 32BIT 128KB FLASH 32QFN Discontinued at -ARM® Cortex®-M332-Bit40MHzI²C, IrDA, LINbus, SmartCard, SPI, UART/USARTBrown-out Detect/Reset, DMA, I²S, POR, PWM, WDT20128KB (128K x 8)FLASH
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32K x 81.85 V ~ 3.8 VA/D 24x12bInternal-40°C ~ 85°C (TA)32-VFQFN Exposed Pad32-QFN (5x5)
Silicon Labs IC MCU 32BIT 128KB FLASH 32QFN Discontinued at -ARM® Cortex®-M432-Bit40MHzI²C, IrDA, LINbus, SmartCard, SPI, UART/USARTBrown-out Detect/Reset, DMA, I²S, POR, PWM, WDT24128KB (128K x 8)FLASH
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32K x 81.85 V ~ 3.8 VA/D 24x12bInternal-40°C ~ 85°C (TA)32-VFQFN Exposed Pad32-QFN (5x5)
Silicon Labs IC MCU 32BIT 512KB FLASH DIE PreliminaryARM® Cortex®-M332-Bit48MHzEBI/EMI, I²C, IrDA, SmartCard, SPI, UART/USARTBrown-out Detect/Reset, DMA, LCD, POR, PWM, WDT93512KB (512K x 8)FLASH
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128K x 81.98 V ~ 3.8 VA/D 8x12b, D/A 2x12bInternal-40°C ~ 85°C (TA)DieWafer
Silicon Labs IC MCU 32BIT 32KB FLASH 48QFP Discontinued at -ARM® Cortex®-M0+32-Bit25MHzI²C, IrDA, SmartCard, SPI, UART/USART, USBBrown-out Detect/Reset, DMA, I²S, POR, PWM, WDT3532KB (32K x 8)FLASH
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8K x 81.98 V ~ 3.8 VA/D 4x12bInternal-40°C ~ 85°C (TA)48-TQFP48-TQFP (7x7)
Silicon Labs IC MCU 32BIT 32KB FLASH 48QFP PreliminaryARM® Cortex®-M0+32-Bit25MHzI²C, IrDA, SmartCard, SPI, UART/USART, USBBrown-out Detect/Reset, DMA, I²S, POR, PWM, WDT3532KB (32K x 8)FLASH
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8K x 81.98 V ~ 3.8 VA/D 4x12bInternal-40°C ~ 85°C (TA)48-TQFP48-TQFP (7x7)
Silicon Labs IC MCU 32BIT 64KB FLASH 48QFP Discontinued at -ARM® Cortex®-M0+32-Bit25MHzI²C, IrDA, SmartCard, SPI, UART/USART, USBBrown-out Detect/Reset, DMA, I²S, POR, PWM, WDT3564KB (64K x 8)FLASH
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8K x 81.98 V ~ 3.8 VA/D 4x12bInternal-40°C ~ 85°C (TA)48-TQFP48-TQFP (7x7)
Silicon Labs IC MCU 32BIT 64KB FLASH 48QFP PreliminaryARM® Cortex®-M0+32-Bit25MHzI²C, IrDA, SmartCard, SPI, UART/USART, USBBrown-out Detect/Reset, DMA, I²S, POR, PWM, WDT3564KB (64K x 8)FLASH
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8K x 81.98 V ~ 3.8 VA/D 4x12bInternal-40°C ~ 85°C (TA)48-TQFP48-TQFP (7x7)
Silicon Labs IC MCU 32BIT 32KB FLASH 48QFP Discontinued at -ARM® Cortex®-M0+32-Bit25MHzI²C, IrDA, SmartCard, SPI, UART/USART, USBBrown-out Detect/Reset, DMA, I²S, POR, PWM, WDT3532KB (32K x 8)FLASH
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8K x 81.98 V ~ 3.8 VA/D 4x12bInternal-40°C ~ 85°C (TA)48-TQFP48-TQFP (7x7)
Silicon Labs IC MCU 32BIT 32KB FLASH 48QFP PreliminaryARM® Cortex®-M0+32-Bit25MHzI²C, IrDA, SmartCard, SPI, UART/USART, USBBrown-out Detect/Reset, DMA, I²S, POR, PWM, WDT3532KB (32K x 8)FLASH
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8K x 81.98 V ~ 3.8 VA/D 4x12bInternal-40°C ~ 85°C (TA)48-TQFP48-TQFP (7x7)
Silicon Labs IC MCU 32BIT 64KB FLASH 48QFP Discontinued at -ARM® Cortex®-M0+32-Bit25MHzI²C, IrDA, SmartCard, SPI, UART/USART, USBBrown-out Detect/Reset, DMA, I²S, POR, PWM, WDT3564KB (64K x 8)FLASH
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8K x 81.98 V ~ 3.8 VA/D 4x12bInternal-40°C ~ 85°C (TA)48-TQFP48-TQFP (7x7)
Silicon Labs IC MCU 32BIT 64KB FLASH 48QFP PreliminaryARM® Cortex®-M0+32-Bit25MHzI²C, IrDA, SmartCard, SPI, UART/USART, USBBrown-out Detect/Reset, DMA, I²S, POR, PWM, WDT3564KB (64K x 8)FLASH
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8K x 81.98 V ~ 3.8 VA/D 4x12bInternal-40°C ~ 85°C (TA)48-TQFP48-TQFP (7x7)
Silicon Labs IC MCU 32BIT 1MB FLASH DIE Discontinued at -ARM® Cortex®-M332-Bit48MHzEBI/EMI, I²C, IrDA, SmartCard, SPI, UART/USARTBrown-out Detect/Reset, DMA, LCD, POR, PWM, WDT931MB (1M x 8)FLASH
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128K x 81.98 V ~ 3.8 VA/D 8x12b, D/A 2x12bInternal-40°C ~ 85°C (TA)DieWafer
Silicon Labs IC MCU 32BIT 512KB FLASH DIE Discontinued at -ARM® Cortex®-M332-Bit48MHzEBI/EMI, I²C, IrDA, SmartCard, SPI, UART/USARTBrown-out Detect/Reset, DMA, LCD, POR, PWM, WDT93512KB (512K x 8)FLASH
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128K x 81.98 V ~ 3.8 VA/D 8x12b, D/A 2x12bInternal-40°C ~ 85°C (TA)DieWafer
Silicon Labs IC MCU 8BIT TQFP Discontinued at -
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Silicon Labs IC MCU 8BIT TQFP Discontinued at -
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Silicon Labs IC MCU 32BIT 128KB FLASH DIE Discontinued at -ARM® Cortex®-M332-Bit32MHzEBI/EMI, I²C, IrDA, SmartCard, SPI, UART/USARTBrown-out Detect/Reset, DMA, LCD, POR, PWM, WDT90128KB (128K x 8)FLASH
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16K x 81.98 V ~ 3.8 VA/D 8x12b, D/A 2x12bInternal-40°C ~ 85°C (TA)
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Silicon Labs IC MCU 32BIT 128KB FLASH 64QFN Preliminary
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Silicon Labs IC MCU 32BIT 128KB FLASH 64QFN Preliminary
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Silicon Labs IC MCU 32BIT 128KB FLASH 64QFN Discontinued at -
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Silicon Labs IC MCU 32BIT 128KB FLASH 64QFN Discontinued at -
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