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 24QSOP ObsoleteCIP-51 80518-Bit25MHzSMBus (2-Wire/I²C), SPI, UART/USARTBrown-out Detect/Reset, Cap Sense, POR, PWM, WDT178KB (8K 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-SSOP (0.154", 3.90mm Width)24-QSOP
Silicon Labs IC MCU 8BIT 8KB FLASH 24QFN ObsoleteCIP-51 80518-Bit25MHzSMBus (2-Wire/I²C), SPI, UART/USARTBrown-out Detect/Reset, Cap Sense, POR, PWM, WDT178KB (8K 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 IC MCU 8BIT 8KB FLASH 20QFN ObsoleteCIP-51 80518-Bit25MHzSMBus (2-Wire/I²C), SPI, UART/USARTBrown-out Detect/Reset, POR, PWM, WDT168KB (8K 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)20-UFQFN Exposed Pad20-QFN (3x3)
Silicon Labs IC MCU 8BIT 4KB FLASH 20QFN ObsoleteCIP-51 80518-Bit25MHzSMBus (2-Wire/I²C), SPI, UART/USARTBrown-out Detect/Reset, POR, PWM, WDT164KB (4K 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)20-UFQFN Exposed Pad20-QFN (3x3)
Silicon Labs IC MCU 8BIT 4KB FLASH 20QFN ObsoleteCIP-51 80518-Bit25MHzSMBus (2-Wire/I²C), SPI, UART/USARTBrown-out Detect/Reset, POR, PWM, Temp Sensor, WDT164KB (4K x 8)FLASH
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512 x 81.8 V ~ 3.6 VA/D 10x10bInternal-40°C ~ 85°C (TA)20-UFQFN Exposed Pad20-QFN (3x3)
Silicon Labs IC MCU 8BIT 8KB FLASH 20QFN ObsoleteCIP-51 80518-Bit25MHzSMBus (2-Wire/I²C), SPI, UART/USARTBrown-out Detect/Reset, POR, PWM, Temp Sensor, WDT168KB (8K x 8)FLASH
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512 x 81.8 V ~ 3.6 VA/D 9x12bInternal-40°C ~ 85°C (TA)20-UFQFN Exposed Pad20-QFN (3x3)
Silicon Labs IC MCU 8BIT 2KB FLASH 20QFN ObsoleteCIP-51 80518-Bit25MHzSMBus (2-Wire/I²C), SPI, UART/USARTBrown-out Detect/Reset, POR, PWM, WDT162KB (2K 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)20-UFQFN Exposed Pad20-QFN (3x3)
Silicon Labs IC MCU 8BIT 8KB FLASH 24QFN ObsoleteCIP-51 80518-Bit25MHzSMBus (2-Wire/I²C), SPI, UART/USARTBrown-out Detect/Reset, POR, PWM, Temp Sensor, WDT178KB (8K x 8)FLASH
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512 x 81.8 V ~ 3.6 VA/D 10x12bInternal-40°C ~ 85°C (TA)24-WFQFN Exposed Pad24-QFN (4x4)
Silicon Labs IC MCU 8BIT 8KB FLASH 24QSOP ObsoleteCIP-51 80518-Bit25MHzSMBus (2-Wire/I²C), SPI, UART/USARTBrown-out Detect/Reset, POR, PWM, Temp Sensor, WDT178KB (8K x 8)FLASH
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512 x 81.8 V ~ 3.6 VA/D 10x12bInternal-40°C ~ 85°C (TA)24-SSOP (0.154", 3.90mm Width)24-QSOP
Silicon Labs IC MCU 8BIT 8KB FLASH 24QFN ObsoleteCIP-51 80518-Bit25MHzSMBus (2-Wire/I²C), SPI, UART/USARTBrown-out Detect/Reset, POR, PWM, WDT178KB (8K 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 IC MCU 8BIT 8KB FLASH 24QSOP ObsoleteCIP-51 80518-Bit25MHzSMBus (2-Wire/I²C), SPI, UART/USARTBrown-out Detect/Reset, POR, PWM, WDT178KB (8K 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-SSOP (0.154", 3.90mm Width)24-QSOP
Silicon Labs IC MCU 8BIT 4KB FLASH 24QSOP ObsoleteCIP-51 80518-Bit25MHzSMBus (2-Wire/I²C), SPI, UART/USARTBrown-out Detect/Reset, POR, PWM, Temp Sensor, WDT174KB (4K x 8)FLASH
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512 x 81.8 V ~ 3.6 VA/D 10x10bInternal-40°C ~ 85°C (TA)24-SSOP (0.154", 3.90mm Width)24-QSOP
Silicon Labs IC MCU 8BIT 4KB FLASH 24QSOP ObsoleteCIP-51 80518-Bit25MHzSMBus (2-Wire/I²C), SPI, UART/USARTBrown-out Detect/Reset, POR, PWM, WDT174KB (4K 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-SSOP (0.154", 3.90mm Width)24-QSOP
Silicon Labs IC MCU 8BIT 4KB FLASH 24QFN ObsoleteCIP-51 80518-Bit25MHzSMBus (2-Wire/I²C), SPI, UART/USARTBrown-out Detect/Reset, POR, PWM, WDT174KB (4K 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 IC MCU 8BIT 4KB FLASH 24QFN ObsoleteCIP-51 80518-Bit25MHzSMBus (2-Wire/I²C), SPI, UART/USARTBrown-out Detect/Reset, POR, PWM, Temp Sensor, WDT174KB (4K x 8)FLASH
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512 x 81.8 V ~ 3.6 VA/D 10x10bInternal-40°C ~ 85°C (TA)24-WFQFN Exposed Pad24-QFN (4x4)
Silicon Labs IC MCU 32BIT 128KB FLASH 64QFN Discontinued at -ARM® Cortex®-M332-Bit32MHzI²C, IrDA, SmartCard, SPI, UART/USARTBrown-out Detect/Reset, DMA, LCD, POR, PWM, WDT56128KB (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)64-VFQFN Exposed Pad64-QFN (9x9)
Silicon Labs IC MCU 32BIT 32KB FLASH 32QFN Discontinued at -ARM® 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)32-VQFN Exposed Pad32-QFN (6x6)
Silicon Labs IC MCU 32BIT 32KB FLASH 64QFN Discontinued at -ARM® Cortex®-M332-Bit32MHzI²C, IrDA, SmartCard, SPI, UART/USARTBrown-out Detect/Reset, DMA, POR, PWM, WDT5632KB (32K x 8)FLASH
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8K x 81.98 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 32KB FLASH 100LQFP Discontinued at -ARM® Cortex®-M332-Bit32MHzEBI/EMI, I²C, IrDA, SmartCard, SPI, UART/USARTBrown-out Detect/Reset, DMA, POR, PWM, WDT8632KB (32K x 8)FLASH
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8K x 81.98 V ~ 3.8 VA/D 8x12b, D/A 2x12bInternal-40°C ~ 85°C (TA)100-LQFP100-LQFP (14x14)
Silicon Labs IC MCU 32BIT 64KB FLASH 100LQFP Discontinued at -ARM® Cortex®-M332-Bit32MHzEBI/EMI, I²C, IrDA, SmartCard, SPI, UART/USARTBrown-out Detect/Reset, DMA, POR, PWM, WDT8664KB (64K 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)100-LQFP100-LQFP (14x14)
Silicon Labs IC MCU 32BIT 32KB FLASH 112BGA Discontinued at -ARM® Cortex®-M332-Bit32MHzEBI/EMI, I²C, IrDA, SmartCard, SPI, UART/USARTBrown-out Detect/Reset, DMA, POR, PWM, WDT9032KB (32K x 8)FLASH
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8K x 81.98 V ~ 3.8 VA/D 8x12b, D/A 2x12bInternal-40°C ~ 85°C (TA)112-LFBGA112-BGA (10x10)
Silicon Labs IC MCU 32BIT 64KB FLASH 112BGA Discontinued at -ARM® Cortex®-M332-Bit32MHzEBI/EMI, I²C, IrDA, SmartCard, SPI, UART/USARTBrown-out Detect/Reset, DMA, POR, PWM, WDT9064KB (64K 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)112-LFBGA112-BGA (10x10)
Silicon Labs IC MCU 32BIT 32KB FLASH 64QFN Discontinued at -ARM® Cortex®-M332-Bit32MHzI²C, IrDA, SmartCard, SPI, UART/USARTBrown-out Detect/Reset, DMA, LCD, POR, PWM, WDT5632KB (32K x 8)FLASH
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8K x 81.98 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 64KB FLASH 64QFN Discontinued at -ARM® Cortex®-M332-Bit32MHzI²C, IrDA, SmartCard, SPI, UART/USARTBrown-out Detect/Reset, DMA, LCD, POR, PWM, WDT5664KB (64K 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)64-VFQFN Exposed Pad64-QFN (9x9)
Silicon Labs IC MCU 32BIT 32KB FLASH 100LQFP Discontinued at -ARM® Cortex®-M332-Bit32MHzEBI/EMI, I²C, IrDA, SmartCard, SPI, UART/USARTBrown-out Detect/Reset, DMA, LCD, POR, PWM, WDT8632KB (32K x 8)FLASH
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8K x 81.98 V ~ 3.8 VA/D 8x12b, D/A 2x12bInternal-40°C ~ 85°C (TA)100-LQFP100-LQFP (14x14)
Silicon Labs IC MCU 32BIT 32KB FLASH 112BGA Discontinued at -ARM® Cortex®-M332-Bit32MHzEBI/EMI, I²C, IrDA, SmartCard, SPI, UART/USARTBrown-out Detect/Reset, DMA, LCD, POR, PWM, WDT9032KB (32K x 8)FLASH
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8K x 81.98 V ~ 3.8 VA/D 8x12b, D/A 2x12bInternal-40°C ~ 85°C (TA)112-LFBGA112-BGA (10x10)
Silicon Labs IC MCU 32BIT 64KB FLASH 112BGA Discontinued at -ARM® Cortex®-M332-Bit32MHzEBI/EMI, I²C, IrDA, SmartCard, SPI, UART/USARTBrown-out Detect/Reset, DMA, LCD, POR, PWM, WDT9064KB (64K 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)112-LFBGA112-BGA (10x10)
Silicon Labs IC MCU 8BIT 1.5KB OTP 10QFN Obsolete80518-Bit25MHzSMBus (2-Wire/I²C), UART/USARTPOR, PWM, WDT61.5KB (1.5K x 8)OTP
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128 x 81.8 V ~ 3.6 V
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Internal-40°C ~ 85°C (TA)10-WFQFN10-QFN (2x2)
Silicon Labs IC MCU 32BIT 128KB FLASH 64TQFP Discontinued at -ARM® Cortex®-M332-Bit32MHzI²C, IrDA, SmartCard, SPI, UART/USARTBrown-out Detect/Reset, DMA, POR, PWM, WDT53128KB (128K x 8)FLASH
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16K 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 128KB FLASH 64TQFP Discontinued at -ARM® Cortex®-M332-Bit32MHzI²C, IrDA, SmartCard, SPI, UART/USARTBrown-out Detect/Reset, DMA, LCD, POR, PWM, WDT53128KB (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)64-TQFP64-TQFP (10x10)
Silicon Labs IC MCU 8BIT 32KB FLASH 40QFN Obsolete80518-Bit25MHzI²C, SPI, UART/USARTDMA, LCD, POR, PWM, WDT3432KB (32K x 8)FLASH
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8.25K x 81.8 V ~ 3.8 VA/D 16x10b/12bInternal-40°C ~ 85°C (TA)40-VFQFN Exposed Pad40-QFN (6x6)
Silicon Labs IC MCU 8BIT 16KB FLASH 76DQFN Obsolete80518-Bit25MHzI²C, SPI, UART/USARTDMA, LCD, POR, PWM, WDT5716KB (16K x 8)FLASH
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4.25K x 81.8 V ~ 3.8 VA/D 16x10b/12bInternal-40°C ~ 85°C (TA)76-VFQFN Dual Rows, Exposed Pad76-DQFN (6x6)
Silicon Labs IC MCU 32BIT 32KB FLASH 48TQFP Discontinued at -ARM® 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)48-TQFP48-TQFP (7x7)
Silicon Labs IC MCU 32BIT 32KB FLASH 64TQFP Discontinued at -ARM® Cortex®-M332-Bit32MHzI²C, IrDA, SmartCard, SPI, UART/USARTBrown-out Detect/Reset, DMA, POR, PWM, WDT5332KB (32K x 8)FLASH
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8K 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 32KB FLASH 64TQFP Discontinued at -ARM® Cortex®-M332-Bit32MHzI²C, IrDA, SmartCard, SPI, UART/USARTBrown-out Detect/Reset, DMA, LCD, POR, PWM, WDT5332KB (32K x 8)FLASH
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8K x 81.98 V ~ 3.8 VA/D 8x12b, D/A 2x12bInternal-40°C ~ 85°C (TA)64-TQFP64-QFN (9x9)
Silicon Labs IC MCU 32BIT 64KB FLASH 64TQFP Discontinued at -ARM® Cortex®-M332-Bit32MHzI²C, IrDA, SmartCard, SPI, UART/USARTBrown-out Detect/Reset, DMA, LCD, POR, PWM, WDT5364KB (64K 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)64-TQFP64-TQFP (10x10)
Silicon Labs IC MCU 32BIT 512KB FLASH 64QFN Discontinued at -ARM® Cortex®-M332-Bit48MHzI²C, IrDA, SmartCard, SPI, UART/USARTBrown-out Detect/Reset, DMA, POR, PWM, WDT56512KB (512K x 8)FLASH
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128K 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 512KB FLASH 64TQFP Discontinued at -ARM® Cortex®-M332-Bit48MHzI²C, IrDA, SmartCard, SPI, UART/USARTBrown-out Detect/Reset, DMA, POR, PWM, WDT53512KB (512K x 8)FLASH
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128K x 81.85 V ~ 3.8 VA/D 8x12b, D/A 2x12bInternal-40°C ~ 85°C (TA)64-TQFP64-TQFP (10x10)
Silicon Labs IC MCU 32BIT 512KB FLASH 100LQFP Discontinued at -ARM® Cortex®-M332-Bit48MHzEBI/EMI, I²C, IrDA, SmartCard, SPI, UART/USARTBrown-out Detect/Reset, DMA, POR, PWM, WDT86512KB (512K x 8)FLASH
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128K x 81.85 V ~ 3.8 VA/D 8x12b, D/A 2x12bInternal-40°C ~ 85°C (TA)100-LQFP100-LQFP (14x14)
Silicon Labs IC MCU 32BIT 512KB FLASH 112BGA Discontinued at -ARM® Cortex®-M332-Bit48MHzEBI/EMI, I²C, IrDA, SmartCard, SPI, UART/USARTBrown-out Detect/Reset, DMA, POR, PWM, WDT90512KB (512K x 8)FLASH
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128K x 81.85 V ~ 3.8 VA/D 8x12b, D/A 2x12bInternal-40°C ~ 85°C (TA)112-LFBGA112-BGA (10x10)
Silicon Labs IC MCU 32BIT 512KB FLASH 64QFN Discontinued at -ARM® Cortex®-M332-Bit48MHzI²C, IrDA, SmartCard, SPI, UART/USART, USBBrown-out Detect/Reset, DMA, POR, PWM, WDT53512KB (512K x 8)FLASH
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128K 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 512KB FLASH 64TQFP Discontinued at -ARM® Cortex®-M332-Bit48MHzI²C, IrDA, SmartCard, SPI, UART/USART, USBBrown-out Detect/Reset, DMA, POR, PWM, WDT50512KB (512K x 8)FLASH
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128K x 81.85 V ~ 3.8 VA/D 8x12b, D/A 2x12bInternal-40°C ~ 85°C (TA)64-TQFP Exposed Pad64-TQFP (10x10)
Silicon Labs IC MCU 32BIT 512KB FLASH 100LQFP Discontinued at -ARM® Cortex®-M332-Bit48MHzEBI/EMI, I²C, IrDA, SmartCard, SPI, UART/USART, USBBrown-out Detect/Reset, DMA, POR, PWM, WDT83512KB (512K x 8)FLASH
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128K x 81.85 V ~ 3.8 VA/D 8x12b, D/A 2x12bInternal-40°C ~ 85°C (TA)100-LQFP100-LQFP (14x14)
Silicon Labs IC MCU 32BIT 512KB FLASH 112BGA Discontinued at -ARM® Cortex®-M332-Bit48MHzEBI/EMI, I²C, IrDA, SmartCard, SPI, UART/USART, USBBrown-out Detect/Reset, DMA, POR, PWM, WDT87512KB (512K x 8)FLASH
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128K x 81.85 V ~ 3.8 VA/D 8x12b, D/A 2x12bInternal-40°C ~ 85°C (TA)112-LFBGA112-BGA (10x10)
Silicon Labs IC MCU 32BIT 512KB FLASH 120BGA Discontinued at -ARM® Cortex®-M332-Bit48MHzEBI/EMI, I²C, IrDA, SmartCard, SPI, UART/USART, USBBrown-out Detect/Reset, DMA, 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)120-VFBGA120-BGA (7x7)
Silicon Labs IC MCU 32BIT 512KB FLASH 64QFN Discontinued at -ARM® Cortex®-M332-Bit48MHzI²C, IrDA, SmartCard, SPI, UART/USARTBrown-out Detect/Reset, DMA, LCD, POR, PWM, WDT56512KB (512K x 8)FLASH
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128K x 81.85 V ~ 3.8 VA/D 8x12b, D/A 2x12bInternal-40°C ~ 85°C (TA)64-WFQFN Exposed Pad64-QFN (9x9)
Silicon Labs IC MCU 32BIT 512KB FLASH 64TQFP Discontinued at -ARM® Cortex®-M332-Bit48MHzI²C, IrDA, SmartCard, SPI, UART/USARTBrown-out Detect/Reset, DMA, LCD, POR, PWM, WDT53512KB (512K x 8)FLASH
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128K x 81.85 V ~ 3.8 VA/D 8x12b, D/A 2x12bInternal-40°C ~ 85°C (TA)64-TQFP64-TQFP (10x10)
Silicon Labs IC MCU 32BIT 512KB FLASH 100LQFP Discontinued at -ARM® Cortex®-M332-Bit48MHzEBI/EMI, I²C, IrDA, SmartCard, SPI, UART/USARTBrown-out Detect/Reset, DMA, LCD, POR, PWM, WDT86512KB (512K x 8)FLASH
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128K x 81.85 V ~ 3.8 VA/D 8x12b, D/A 2x12bInternal-40°C ~ 85°C (TA)100-LQFP100-LQFP (14x14)
Silicon Labs IC MCU 32BIT 512KB FLASH 112BGA Discontinued at -ARM® Cortex®-M332-Bit48MHzEBI/EMI, I²C, IrDA, SmartCard, SPI, UART/USARTBrown-out Detect/Reset, DMA, LCD, POR, PWM, WDT90512KB (512K x 8)FLASH
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128K x 81.85 V ~ 3.8 VA/D 8x12b, D/A 2x12bInternal-40°C ~ 85°C (TA)112-LFBGA112-BGA (10x10)
Silicon Labs IC MCU 32BIT 512KB FLASH 120BGA 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 81.85 V ~ 3.8 VA/D 8x12b, D/A 2x12bInternal-40°C ~ 85°C (TA)120-VFBGA120-BGA (7x7)