8-bit Microcontrollers (MCUs)

8-bit Microcontrollers (MCUs)

An innovative 8-bit chip design provides a fully-integrated experience. Silicon Labs’ 8-bit MCUs are ideal for IoT applications and beyond, delivering the industry’s fastest speeds and lowest power.

Product Families:

Family Speed (MHz) Flash Memory (kB) Digital I/O Pins Cap Sense USB ADC (bits) Communication
EFM8 Busy Bee 25, 50 2, 4, 8, 16, 32, 64 13, 16, 18, 20, 21, 22, 28, 29 No 0 12 1 x I²C 1 x SPI 1,2 x UART
EFM8 Laser Bee 72 16, 32, 64 20, 21, 28, 29 No 0 14 1 x I²C 1 x SPI 2 x UART
EFM8 Sleepy Bee 25 2, 4, 8, 16, 32, 64 13, 16, 17, 24 Yes 0 10, 12 1 x EMIF 1 x I²C 1,2 x SPI 1 x UART
EFM8 Universal Bee 48 8, 16, 32, 64 13, 17, 22, 25, 40 No 1 10, 12 1 x EMIF 2 x I²C 1 x SPI 2 x UART
C8051F00x/01x 20, 25 16, 32 8, 16, 32 No 0 10, 12 1 x I²C 1 x SPI 1,2 x UART
C8051F02x 25 64 32, 64 No 0 10, 12 1 x EMIF 1 x I²C 1 x SPI 2 x UART
C8051F04x 25 32, 64 32, 64 No 0 10, 12 1 x CAN 1 x EMIF 1 x I²C 1 x SPI 2 x UART
C8051F06x 25 32, 64 24, 59 No 0 16 1 x CAN 1 x EMIF 1 x I²C 1 x SPI 2 x UART
C8051F12x/13x 50, 100 64, 128 32, 64 No 0 10, 12 1 x EMIF 1 x I²C 1 x SPI 2 x UART
C8051F2xx 25 8 22, 32 No 0 12, 8, — 1 x SPI 1 x UART
C8051F30x 25 2, 4, 8 8 No 0 8, — 1 x I²C 1 x UART
C8051F31x 25 8, 16 21, 25, 29 No 0 10, — 1 x I²C 1 x SPI 1 x UART
C8051F32x/34x 25, 50 16, 32, 64 15, 21, 25, 40 No 1 10, — 1 x EMIF 1 x I²C 1 x SPI 1,2 x UART
C8051F33x 25 2, 4, 8, 16 17, 21 No 0 10, 20, — 1 x I²C 1 x SPI 1 x UART
C8051F35x 50 8 17 No 0 16, 24 1 x I²C 1 x SPI 1 x UART
C8051F36x 50, 100 16, 32 25, 29, 39 No 0 10, — 1 x EMIF 1 x I²C 1 x SPI 1 x UART
C8051F37x 50 8, 16 21 No 0 10, — 2 x I²C 1 x SPI 1 x UART
C8051F38x 50 16, 32, 64 25, 40 No 0, 1 10, — 2 x I²C 1 x SPI 2 x UART
C8051F39x 50 4, 8, 16 17, 21 No 0 10, — 2 x I²C 1 x SPI 1 x UART
C8051F41x 50 16, 32 20, 24 No 0 12 1 x I²C 1 x SPI 1 x UART
C8051F50x 50 32, 64 25, 33, 40 No 0 12 1 x CAN 1 x EMIF 1 x I²C 1 x LIN 1 x SPI 1 x UART
C8051F51x 50 32 33 No 0 12 1 x CAN 1 x EMIF 1 x I²C 1 x LIN 1 x SPI 1 x UART
C8051F52x 25 2, 4, 8 6 No 0 12 1 x LIN 1 x SPI 1 x UART
C8051F53x 25 2, 4, 8 16 No 0 12 1 x LIN 1 x SPI 1 x UART
C8051F54x 50 8, 16 18, 25 No 0 12 1 x LIN 1 x SPI 1 x UART
C8051F55x 50 16, 32 18 No 0 12 1 x CAN 1 x I²C 1 x LIN 1 x SPI 1 x UART
C8051F56x 50 16, 32 25, 33 No 0 12 1 x CAN 1 x EMIF 1 x I²C 1 x LIN 1 x SPI 1 x UART
C8051F57x 50 16, 32 33 No 0 12 1 x CAN 1 x EMIF 1 x I²C 1 x LIN 1 x SPI 1 x UART
C8051F58x 50 96, 128 25, 33, 40 No 0 12 1 x CAN 1 x EMIF 1 x I²C 1 x LIN 1 x SPI 2 x UART
C8051F59x 50 96 33 No 0 12 1 x CAN 1 x EMIF 1 x I²C 1 x LIN 1 x SPI 2 x UART
C8051F7xx 25 8, 15, 16 20, 29, 39 Yes 0 10, — 1 x I²C 1 x SPI 1 x UART
C8051F80x/1x/2x/3x 25 4, 8, 16 13, 17 Yes 0 10, — 1 x I²C 1 x SPI 1 x UART
C8051F85x 25 2, 4, 8 16, 18 No 0 12, — 1 x I²C 1 x SPI 1 x UART
C8051F86x 25 2, 4, 8 13 No 0 12, — 1 x I²C 1 x SPI 1 x UART
C8051F90x-91x 25 8, 16 16 No 0 10, 12 1 x I²C 2 x SPI 1 x UART
C8051F92x-93x 25 32, 64 16, 24 No 0 10 1 x EMIF 1 x I²C 2 x SPI 1 x UART
C8051F96x 25 16, 32, 64, 128 34, 57 No 0 12 1 x I²C 1,2 x SPI 1 x UART
C8051F97x 25 16, 32 19, 28, 43 Yes 0 10 1 x I²C 1 x SPI 1 x UART
C8051F98x 25 2, 4, 8 16, 17 No 0 10, 12, — 1 x I²C 1 x SPI 1 x UART
C8051F99x 25 8 16, 17 Yes 0 12, — 1 x I²C 1 x SPI 1 x UART
C8051T60x 25 1.5, 2, 4, 8 6, 8 No 0 10, — 1 x I²C 1 x UART
C8051T61x 25 8, 16 21, 25, 29 No 0 10, — 1 x I²C 1 x SPI 1 x UART
C8051T62x/32x 48 8, 16, 32, 64 15, 16, 21, 24, 25 No 1 10, — 1 x I²C 1 x SPI 1,2 x UART
C8051T63x 25 2, 4, 8 17 No 0 10, — 1 x I²C 1 x SPI 1 x UART

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