| Part Numbers | Manufacturer Name | Datasheet | Core Processor | Core Size | Speed | Connectivity | RAM Size | Number of I/O | Program Memory Size | Program Memory Type | EEPROM Size | Voltage - Supply (Vcc/Vdd) | Data Converters | Oscillator Type | Operating Temperature | Package / Case |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| C8051F343-GQ | SILICON LABORATORIES INC | 8051 | 8-Bit | 48MHz | SMBus (2-Wire/I²C), SPI, UART/USART, USB | 25 | 32KB (32K x 8) | FLASH | - | 2.25K x 8 | 2.7 V ~ 3.6 V | A/D 21x10b | Internal | -40°C ~ 85°C | 32-LQFP | |
| C8051F321-GM | SILICON LABORATORIES INC | 8051 | 8-Bit | 25MHz | SMBus (2-Wire/I²C), SPI, UART/USART, USB | 21 | 16KB (16K x 8) | FLASH | - | 2.25K x 8 | 2.7 V ~ 3.6 V | A/D 13x10b | Internal | -40°C ~ 85°C | 28-VFQFN Exposed Pad | |
| C8051F320-GQ | SILICON LABORATORIES INC | 8051 | 8-Bit | 25MHz | SMBus (2-Wire/I²C), SPI, UART/USART, USB | 25 | 16KB (16K x 8) | FLASH | - | 2.25K x 8 | 2.7 V ~ 3.6 V | A/D 17x10b | Internal | -40°C ~ 85°C | 32-LQFP | |
| C8051F347-GQ | SILICON LABORATORIES INC | 8051 | 8-Bit | 25MHz | SMBus (2-Wire/I²C), SPI, UART/USART, USB | 25 | 32KB (32K x 8) | FLASH | - | 2.25K x 8 | 2.7 V ~ 3.6 V | A/D 21x10b | Internal | -40°C ~ 85°C | 32-LQFP | |
| C8051F346-GQ | SILICON LABORATORIES INC | 8051 | 8-Bit | 25MHz | SMBus (2-Wire/I²C), SPI, UART/USART, USB | 25 | 64KB (64K x 8) | FLASH | - | 4.25K x 8 | 2.7 V ~ 3.6 V | A/D 21x10b | Internal | -40°C ~ 85°C | 32-LQFP | |
| C8051F342-GQ | SILICON LABORATORIES INC | 8051 | 8-Bit | 48MHz | SMBus (2-Wire/I²C), SPI, UART/USART, USB | 25 | 64KB (64K x 8) | FLASH | - | 4.25K x 8 | 2.7 V ~ 3.6 V | A/D 21x10b | Internal | -40°C ~ 85°C | 32-LQFP | |
| C8051F34A-GM | SILICON LABORATORIES INC | 8051 | 8-Bit | 48MHz | SMBus (2-Wire/I²C), SPI, UART/USART, USB | 25 | 64KB (64K x 8) | FLASH | - | 4.25K x 8 | 2.7 V ~ 3.6 V | A/D 17x10b | Internal | -40°C ~ 85°C | 32-VFQFN Exposed Pad | |
| C8051F34A-GQ | SILICON LABORATORIES INC | 8051 | 8-Bit | 48MHz | SMBus (2-Wire/I²C), SPI, UART/USART, USB | 25 | 64KB (64K x 8) | FLASH | - | 4.25K x 8 | 2.7 V ~ 3.6 V | A/D 17x10b | Internal | -40°C ~ 85°C | 32-LQFP | |
| C8051F321-GMR | SILICON LABORATORIES INC | 8051 | 8-Bit | 25MHz | SMBus (2-Wire/I²C), SPI, UART/USART, USB | 21 | 16KB (16K x 8) | FLASH | - | 2.25K x 8 | 2.7 V ~ 3.6 V | A/D 13x10b | Internal | -40°C ~ 85°C | 28-VFQFN Exposed Pad | |
| C8051F349-GQ | SILICON LABORATORIES INC | 8051 | 8-Bit | 25MHz | SMBus (2-Wire/I²C), SPI, UART/USART, USB | 25 | 32KB (32K x 8) | FLASH | - | 2.25K x 8 | 2.7 V ~ 3.6 V | - | Internal | -40°C ~ 85°C | 32-LQFP |
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