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 8KB FLASH 10DFN Active80518-Bit25MHzSPI, UART/USARTBrown-out Detect/Reset, POR, PWM, Temp Sensor, WDT68KB (8K x 8)FLASH
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256 x 81.8 V ~ 5.25 VA/D 6x12bInternal-40°C ~ 125°C (TA)10-VFDFN Exposed Pad10-DFN (3x3)
Silicon Labs IC MCU 32BIT 128KB FLASH 48QFN ActiveARM® 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)
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Silicon Labs IC MCU 8BIT 32KB FLASH 32LQFP Active80518-Bit48 MIPSI²C, SPI, UART/USARTBrown-out Detect/Reset, POR, PWM, Temp Sensor, WDT2532KB (32K x 8)FLASH
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2.25K x 82.7 V ~ 5.25 VA/D 21x10bInternal-40°C ~ 85°C (TA)32-LQFP32-LQFP (7x7)
Silicon Labs IC MCU 32BIT 8KB FLASH 48TQFP ActiveARM® Cortex®-M332-Bit32MHzI²C, IrDA, SmartCard, SPI, UART/USARTBrown-out Detect/Reset, DMA, I²S, LCD, POR, PWM, WDT378KB (8K x 8)FLASH
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2K x 81.85 V ~ 3.8 VA/D 4x12b, D/A 1x12bInternal-40°C ~ 85°C (TA)48-TQFP48-TQFP (7x7)
Silicon Labs IC MCU 32BIT 16KB FLASH 48TQFP ActiveARM® Cortex®-M332-Bit32MHzI²C, IrDA, SmartCard, SPI, UART/USARTBrown-out Detect/Reset, DMA, I²S, LCD, POR, PWM, WDT3716KB (16K x 8)FLASH
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4K x 81.85 V ~ 3.8 VA/D 4x12b, D/A 1x12bInternal-40°C ~ 85°C (TA)48-TQFP48-TQFP (7x7)
Silicon Labs IC MCU 8BIT 64KB FLASH 32QFP ActiveCIP-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 8KB FLASH 20QFN Active80518-Bit25MHzSPI, UART/USARTBrown-out Detect/Reset, POR, PWM, Temp Sensor, WDT168KB (8K x 8)FLASH
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256 x 81.8 V ~ 5.25 VA/D 16x12bInternal-40°C ~ 125°C (TA)20-VFQFN Exposed Pad20-QFN (4x4)
Silicon Labs IC MCU 8BIT 8KB OTP 20QFN Not For New Designs80518-Bit25MHzSMBus (2-Wire/I²C), SPI, UART/USARTPOR, PWM, WDT178KB (8K x 8)OTP
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768 x 81.8 V ~ 3.6 V
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Internal-40°C ~ 85°C (TA)20-VFQFN Exposed Pad20-QFN (4x4)
Silicon Labs IC MCU 8BIT 16KB FLASH 24QFN Not For New Designs80518-Bit25MHzSMBus (2-Wire/I²C), SPI, UART/USARTCap Sense, POR, PWM, WDT2016KB (16K x 8)FLASH
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512 x 81.8 V ~ 3.6 V
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Internal-40°C ~ 85°C (TA)24-WFQFN Exposed Pad24-QFN (4x4)
Silicon Labs 16K FLASH 8K RAM NO AES ActiveARM® Cortex®-M332-Bit32MHzI²C, IrDA, SmartCard, SPI, UART/USARTBrown-out Detect/Reset, DMA, POR, PWM, WDT2416KB (16K x 8)FLASH
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8K x 81.98 V ~ 3.8 VA/D 4x12b, D/A 1x12bInternal-40°C ~ 85°C (TA)
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Silicon Labs IC MCU 32BIT 32KB FLASH 32QFN ActiveARM® Cortex®-M0+32-Bit25MHzI²C, IrDA, SmartCard, SPI, UART/USART, USBBrown-out Detect/Reset, DMA, I²S, POR, PWM, WDT2232KB (32K x 8)FLASH
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8K x 81.98 V ~ 3.8 VA/D 4x12bInternal-40°C ~ 85°C (TA)32-VQFN Exposed Pad32-QFN (6x6)
Silicon Labs IC MCU 32BIT 32KB FLASH 48TQFP ActiveARM® 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 8BIT 8KB FLASH 20QFN Active80518-Bit25MHzLINbus, SPI, UART/USARTBrown-out Detect/Reset, POR, PWM, Temp Sensor, WDT168KB (8K x 8)FLASH
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256 x 81.8 V ~ 5.25 VA/D 16x12bInternal-40°C ~ 125°C (TA)20-VFQFN Exposed Pad20-QFN (4x4)
Silicon Labs IC MCU 8BIT 16KB FLASH 24QFN ActiveCIP-51™8-Bit25MHzI²C/SMBus, I²C Slave, SPI, UART/USARTCapSense, DMA, POR, PWM, WDT1916KB (16K x 8)FLASH
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4K x 81.8 V ~ 3.6 VA/D 19x10bInternal-40°C ~ 85°C (TA)24-WFQFN Exposed Pad24-QFN (4x4)
Silicon Labs IC MCU 8BIT 8KB FLASH 10DFN Active80518-Bit25MHzLINbus, SPI, UART/USARTBrown-out Detect/Reset, POR, PWM, Temp Sensor, WDT68KB (8K x 8)FLASH
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256 x 81.8 V ~ 5.25 VA/D 6x12bInternal-40°C ~ 125°C (TA)10-VFDFN Exposed Pad10-DFN (3x3)
Silicon Labs 32K FLASH 8K RAM NO AES ActiveARM® Cortex®-M332-Bit32MHzI²C, IrDA, SmartCard, SPI, UART/USARTBrown-out Detect/Reset, DMA, POR, PWM, WDT2432KB (32K x 8)FLASH
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8K x 81.98 V ~ 3.8 VA/D 4x12b, D/A 1x12bInternal-40°C ~ 85°C (TA)
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Silicon Labs IC MCU 8BIT 32KB FLASH 48TQFP Active80518-Bit48 MIPSEBI/EMI, I²C, SPI, UART/USARTBrown-out Detect/Reset, POR, PWM, Temp Sensor, WDT4032KB (32K x 8)FLASH
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2.25K x 82.7 V ~ 5.25 VA/D 32x10bInternal-40°C ~ 85°C (TA)48-TQFP48-TQFP (7x7)
Silicon Labs IC MCU 8BIT 32KB FLASH 32LQFP Active80518-Bit48 MIPSI²C, SPI, UART/USART, USBBrown-out Detect/Reset, POR, PWM, WDT2532KB (32K x 8)FLASH
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2.25K x 82.7 V ~ 5.25 V
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Internal-40°C ~ 85°C (TA)32-LQFP32-LQFP (7x7)
Silicon Labs IC MCU 32BIT 16KB FLASH 64TQFP ActiveARM® Cortex®-M332-Bit32MHzI²C, IrDA, SmartCard, SPI, UART/USARTBrown-out Detect/Reset, DMA, I²S, POR, PWM, WDT5316KB (16K x 8)FLASH
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4K x 81.85 V ~ 3.8 VA/D 8x12b, D/A 1x12bInternal-40°C ~ 85°C (TA)64-TQFP64-TQFP (10x10)
Silicon Labs IC MCU 8BIT 8KB OTP 20QFN Not For New Designs80518-Bit25MHzSMBus (2-Wire/I²C), SPI, UART/USARTPOR, PWM, Temp Sensor, WDT178KB (8K x 8)OTP
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768 x 81.8 V ~ 3.6 V
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Internal-40°C ~ 85°C (TA)20-VFQFN Exposed Pad20-QFN (4x4)
Silicon Labs IC MCU 8BIT 4KB FLASH 10DFN Active80518-Bit25MHzLINbus, SPI, UART/USARTBrown-out Detect/Reset, POR, PWM, Temp Sensor, WDT64KB (4K x 8)FLASH
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256 x 81.8 V ~ 5.25 VA/D 6x12bInternal-40°C ~ 125°C (TA)10-VFDFN Exposed Pad10-DFN (3x3)
Silicon Labs IC MCU 32BIT 64KB FLASH 24QFN Discontinued at -ARM® Cortex®-M0+32-Bit25MHzI²C, IrDA, SmartCard, SPI, UART/USARTBrown-out Detect/Reset, DMA, I²S, POR, PWM, WDT1764KB (64K x 8)FLASH
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8K x 81.98 V ~ 3.8 VA/D 4x12bInternal-40°C ~ 85°C (TA)24-VQFN Exposed Pad24-QFN (5x5)
Silicon Labs IC MCU 8BIT 8KB FLASH 24QFN Not For New Designs80518-Bit25MHzSMBus (2-Wire/I²C), SPI, UART/USARTBrown-out Detect/Reset, POR, PWM, Temp Sensor, WDT168KB (8K x 8)FLASH
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768 x 80.9 V ~ 3.6 VA/D 15x10/12bInternal-40°C ~ 85°C (TA)24-WFQFN Exposed Pad24-QFN (4x4)
Silicon Labs IC MCU 32KBIT 32KB FLASH 36CSP ActiveARM® Cortex®-M0+32-Bit25MHzI²C, IrDA, SmartCard, SPI, UART/USART, USBBrown-out Detect/Reset, DMA, I²S, POR, PWM, WDT2232KB (32K x 8)FLASH
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8K x 81.98 V ~ 3.8 VA/D 4x12bInternal-40°C ~ 85°C (TA)
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Silicon Labs IC MCU 32BIT 32KB FLASH 64TQFP ActiveARM® Cortex®-M332-Bit32MHzI²C, IrDA, SmartCard, SPI, UART/USARTBrown-out Detect/Reset, DMA, I²S, POR, PWM, WDT5332KB (32K x 8)FLASH
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4K x 81.85 V ~ 3.8 VA/D 8x12b, D/A 1x12bInternal-40°C ~ 85°C (TA)64-TQFP64-TQFP (10x10)
Silicon Labs 32K FLASH 8K RAM AES ActiveARM® Cortex®-M332-Bit32MHzI²C, IrDA, SmartCard, SPI, UART/USARTBrown-out Detect/Reset, DMA, POR, PWM, WDT3732KB (32K x 8)FLASH
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8K x 81.98 V ~ 3.8 VA/D 4x12b, D/A 1x12bInternal-40°C ~ 85°C (TA)
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Silicon Labs IC MCU 8BIT 32KB OTP 32QFN Not For New Designs80518-Bit48 MIPSI²C, SPI, UART/USART, USBPOR, PWM, Temp Sensor, WDT2432KB (32K x 8)OTP
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3.25K x 81.8 V ~ 5.25 VA/D 21x10bInternal-40°C ~ 85°C (TA)32-VFQFN Exposed Pad32-QFN (5x5)
Silicon Labs IC MCU 8BIT 2KB FLASH 20QFN Active80518-Bit25MHzLINbus, SPI, UART/USARTBrown-out Detect/Reset, POR, PWM, Temp Sensor, WDT162KB (2K x 8)FLASH
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256 x 81.8 V ~ 5.25 VA/D 16x12bInternal-40°C ~ 125°C (TA)20-VFQFN Exposed Pad20-QFN (4x4)
Silicon Labs IC MCU 32BIT 8KB FLASH 64TQFP ActiveARM® Cortex®-M332-Bit32MHzI²C, IrDA, SmartCard, SPI, UART/USARTBrown-out Detect/Reset, DMA, I²S, LCD, POR, PWM, WDT538KB (8K x 8)FLASH
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2K x 81.85 V ~ 3.8 VA/D 8x12b, D/A 1x12bInternal-40°C ~ 85°C (TA)64-TQFP64-TQFP (10x10)
Silicon Labs IC MCU 32BIT 64KB FLASH 32QFN ActiveARM® Cortex®-M0+32-Bit25MHzI²C, IrDA, SmartCard, SPI, UART/USART, USBBrown-out Detect/Reset, DMA, I²S, POR, PWM, WDT2264KB (64K x 8)FLASH
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8K x 81.98 V ~ 3.8 VA/D 4x12bInternal-40°C ~ 85°C (TA)32-VQFN Exposed Pad32-QFN (6x6)
Silicon Labs IC MCU 32BIT 64KB FLASH 48TQFP ActiveARM® 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 16KB FLASH 64QFN ActiveARM® Cortex®-M332-Bit32MHzEBI/EMI, I²C, IrDA, SmartCard, SPI, UART/USARTBrown-out Detect/Reset, DMA, LCD, POR, PWM, WDT5616KB (16K x 8)FLASH
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4K x 81.85 V ~ 3.8 VA/D 8x12b, D/A 2x12bInternal-40°C ~ 85°C (TA)64-VFQFN Exposed Pad64-QFN (9x9)
Silicon Labs IC MCU 32BIT 16KB FLASH 64TQFP ActiveARM® Cortex®-M332-Bit32MHzI²C, IrDA, SmartCard, SPI, UART/USARTBrown-out Detect/Reset, DMA, I²S, LCD, POR, PWM, WDT5316KB (16K x 8)FLASH
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4K x 81.85 V ~ 3.8 VA/D 8x12b, D/A 1x12bInternal-40°C ~ 85°C (TA)64-TQFP64-TQFP (10x10)
Silicon Labs IC MCU 32BIT 8KB FLASH 48VFBGA ActiveARM® Cortex®-M332-Bit32MHzEBI/EMI, I²C, IrDA, SmartCard, SPI, UART/USARTBrown-out Detect/Reset, DMA, I²S, POR, PWM, WDT378KB (8K x 8)FLASH
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2K x 81.85 V ~ 3.8 VA/D 4x12b, D/A 1x12bInternal-40°C ~ 85°C (TA)48-VFBGA48-BGA (4x4)
Silicon Labs IC MCU 8BIT 2KB FLASH 20TSSOP Active80518-Bit25MHzSPI, UART/USARTBrown-out Detect/Reset, POR, PWM, Temp Sensor, WDT162KB (2K x 8)FLASH
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256 x 81.8 V ~ 5.25 VA/D 16x12bInternal-40°C ~ 125°C (TA)20-TSSOP (0.173", 4.40mm Width)20-TSSOP
Silicon Labs IC MCU 8BIT 16KB FLASH 32QFN ActiveCIP-51™8-Bit25MHzI²C/SMBus, I²C Slave, SPI, UART/USARTCapSense, DMA, POR, PWM, WDT2816KB (16K x 8)FLASH
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4K x 81.8 V ~ 3.6 VA/D 28x10bInternal-40°C ~ 85°C (TA)32-VFQFN Exposed Pad32-QFN (5x5)
Silicon Labs IC MCU 32BIT 32KB FLASH 48TQFP ActiveARM® 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 16KB FLASH 48TQFP ActiveARM® Cortex®-M332-Bit32MHzI²C, IrDA, SmartCard, SPI, UART/USARTBrown-out Detect/Reset, DMA, I²S, LCD, POR, PWM, WDT3716KB (16K x 8)FLASH
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4K x 81.85 V ~ 3.8 VA/D 4x12b, D/A 1x12bInternal-40°C ~ 85°C (TA)48-TQFP48-TQFP (7x7)
Silicon Labs IC MCU 8BIT 2KB FLASH 20QFN Active80518-Bit25MHzSPI, UART/USARTBrown-out Detect/Reset, POR, PWM, Temp Sensor, WDT162KB (2K x 8)FLASH
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256 x 81.8 V ~ 5.25 VA/D 16x12bInternal-40°C ~ 125°C (TA)20-VFQFN Exposed Pad20-QFN (4x4)
Silicon Labs IC MCU 8BIT 8KB OTP 20QFN Not For New Designs80518-Bit25MHzSMBus (2-Wire/I²C), SPI, UART/USARTPOR, PWM, WDT178KB (8K x 8)OTP
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768 x 81.8 V ~ 3.6 V
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Internal-40°C ~ 85°C (TA)20-VFQFN Exposed Pad20-QFN (4x4)
Silicon Labs IC MCU 32BIT 16KB FLASH 48VFBGA ActiveARM® Cortex®-M332-Bit32MHzEBI/EMI, I²C, IrDA, SmartCard, SPI, UART/USARTBrown-out Detect/Reset, DMA, I²S, POR, PWM, WDT3716KB (16K x 8)FLASH
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4K x 81.85 V ~ 3.8 VA/D 4x12b, D/A 1x12bInternal-40°C ~ 85°C (TA)48-VFBGA48-BGA (4x4)
Silicon Labs IC MCU 8BIT 64KB FLASH 32QFN Active80518-Bit48 MIPSI²C, SPI, UART/USARTBrown-out Detect/Reset, POR, PWM, Temp Sensor, WDT2564KB (64K x 8)FLASH
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4.25K x 82.7 V ~ 5.25 VA/D 21x10bInternal-40°C ~ 85°C (TA)32-VFQFN Exposed Pad32-QFN (5x5)
Silicon Labs IC MCU 8BIT 8KB FLASH DIE Active80518-Bit25MHzSMBus (2-Wire/I²C), UART/USARTPOR, PWM, Temp Sensor, WDT88KB (8K x 8)FLASH
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256 x 82.7 V ~ 3.6 VA/D 8x8bInternal-40°C ~ 85°C (TA)Die
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Silicon Labs IC MCU 8BIT 2KB FLASH 10DFN Active80518-Bit25MHzSPI, UART/USARTBrown-out Detect/Reset, POR, PWM, Temp Sensor, WDT62KB (2K x 8)FLASH
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256 x 82 V ~ 5.25 VA/D 6x12bInternal-40°C ~ 125°C (TA)10-VFDFN Exposed Pad10-DFN (3x3)
Silicon Labs IC MCU 8BIT 2KB FLASH 10DFN Active80518-Bit25MHzLINbus, SPI, UART/USARTBrown-out Detect/Reset, POR, PWM, Temp Sensor, WDT62KB (2K x 8)FLASH
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256 x 82 V ~ 5.25 VA/D 6x12bInternal-40°C ~ 125°C (TA)10-VFDFN Exposed Pad10-DFN (3x3)
Silicon Labs IC MCU 32BIT 256KB FLASH 32QFN ActiveARM® 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)
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Silicon Labs IC MCU 32BIT 256KB FLASH 32QFN ActiveARM® 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)
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Silicon Labs IC MCU 8BIT 32KB FLASH 48TQFP Active80518-Bit48 MIPSEBI/EMI, I²C, SPI, UART/USART, USBBrown-out Detect/Reset, POR, PWM, WDT4032KB (32K x 8)FLASH
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2.25K x 82.7 V ~ 5.25 V
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Internal-40°C ~ 85°C (TA)48-TQFP48-QFP (7x7)
Silicon Labs IC MCU 8BIT 2KB FLASH 20TSSOP Active80518-Bit25MHzLINbus, SPI, UART/USARTBrown-out Detect/Reset, POR, PWM, Temp Sensor, WDT162KB (2K x 8)FLASH
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256 x 81.8 V ~ 5.25 VA/D 16x12bInternal-40°C ~ 125°C (TA)20-TSSOP (0.173", 4.40mm Width)20-TSSOP
Silicon Labs IC MCU 64KBIT 32KB FLASH 36CSP ActiveARM® Cortex®-M0+32-Bit25MHzI²C, IrDA, SmartCard, SPI, UART/USART, USBBrown-out Detect/Reset, DMA, I²S, POR, PWM, WDT2264KB (64K x 8)FLASH
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8K x 81.98 V ~ 3.8 VA/D 4x12bInternal-40°C ~ 85°C (TA)
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