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| Part Number | EFM8SB10F2G-A-QFN20R | EFM8SB10F8G-A-QFN20R | EFM8SB10F4G-A-QFN20R | EFM8SB10F2G-A-QFN20 | 
|---|---|---|---|---|
| Manufacturer | Silicon Labs | Silicon Labs | Silicon Labs | Silicon Labs | 
| Product Status | Active | Active | Active | Active | 
| Core Processor | CIP-51 8051 | CIP-51 8051 | CIP-51 8051 | CIP-51 8051 | 
| Core Size | 8-Bit | 8-Bit | 8-Bit | 8-Bit | 
| Speed | 25MHz | 25MHz | 25MHz | 25MHz | 
| Connectivity | I²C, SMBus, SPI, UART/USART | I²C, SMBus, SPI, UART/USART | I²C, SMBus, SPI, UART/USART | I²C, SMBus, SPI, UART/USART | 
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT | Brown-out Detect/Reset, POR, PWM, WDT | Brown-out Detect/Reset, POR, PWM, WDT | Brown-out Detect/Reset, POR, PWM, WDT | 
| Number of I/O | 16 | 16 | 16 | 16 | 
| Program Memory Size | 2KB (2K x 8) | 8KB (8K x 8) | 4KB (4K x 8) | 2KB (2K x 8) | 
| Program Memory Type | Flash | Flash | Flash | Flash | 
| EEPROM Size | - | - | - | - | 
| RAM Size | 256 x 8 | 512 x 8 | 512 x 8 | 256 x 8 | 
| Voltage - Supply (Vcc/Vdd) | 1.8V ~ 3.6V | 1.8V ~ 3.6V | 1.8V ~ 3.6V | 1.8V ~ 3.6V | 
| Data Converters | A/D 9x12b | A/D 9x12b | A/D 9x12b | A/D 9x12b | 
| Oscillator Type | Internal | Internal | Internal | Internal | 
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | 
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | 
| Package / Case | 20-UFQFN Exposed Pad | 20-UFQFN Exposed Pad | 20-UFQFN Exposed Pad | 20-UFQFN Exposed Pad | 
| Supplier Device Package | 20-QFN (3x3) | 20-QFN (3x3) | 20-QFN (3x3) | 20-QFN (3x3) |