| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| C8051F540-IQ | SILICON LABORATORIES INC | 8051 | 8-Bit | 50MHz | SMBus (2-Wire/I²C), LIN, SPI, UART/USART | 25 | 16KB (16K x 8) | FLASH | - | 1.25K x 8 | 1.8 V ~ 5.25 V | A/D 25x12b | Internal | -40°C ~ 125°C | 32-LQFP | |
| C8051F544-IQ | SILICON LABORATORIES INC | 8051 | 8-Bit | 50MHz | SMBus (2-Wire/I²C), LIN, SPI, UART/USART | 25 | 8KB (8K x 8) | FLASH | - | 1.25K x 8 | 1.8 V ~ 5.25 V | A/D 25x12b | Internal | -40°C ~ 125°C | 32-LQFP | |
| C8051F566-IQ | SILICON LABORATORIES INC | 8051 | 8-Bit | 50MHz | SMBus (2-Wire/I²C), LIN, SPI, UART/USART | 25 | 16KB (16K x 8) | FLASH | - | 2.25K x 8 | 1.8 V ~ 5.25 V | A/D 25x12b | Internal | -40°C ~ 125°C | 32-LQFP | |
| C8051F566-IQR | SILICON LABORATORIES INC | 8051 | 8-Bit | 50MHz | SMBus (2-Wire/I²C), LIN, SPI, UART/USART | 25 | 16KB (16K x 8) | FLASH | - | 2.25K x 8 | 1.8 V ~ 5.25 V | A/D 25x12b | Internal | -40°C ~ 125°C | 32-LQFP | |
| C8051F545-IQR | SILICON LABORATORIES INC | 8051 | 8-Bit | 50MHz | SMBus (2-Wire/I²C), LIN, SPI, UART/USART | 25 | 8KB (8K x 8) | FLASH | - | 1.25K x 8 | 1.8 V ~ 5.25 V | A/D 25x12b | Internal | -40°C ~ 125°C | 32-LQFP | |
| C8051F544-IQR | SILICON LABORATORIES INC | 8051 | 8-Bit | 50MHz | SMBus (2-Wire/I²C), LIN, SPI, UART/USART | 25 | 8KB (8K x 8) | FLASH | - | 1.25K x 8 | 1.8 V ~ 5.25 V | A/D 25x12b | Internal | -40°C ~ 125°C | 32-LQFP | |
| C8051F562-IQ | SILICON LABORATORIES INC | 8051 | 8-Bit | 50MHz | SMBus (2-Wire/I²C), LIN, SPI, UART/USART | 25 | 32KB (32K x 8) | FLASH | - | 2.25K x 8 | 1.8 V ~ 5.25 V | A/D 25x12b | Internal | -40°C ~ 125°C | 32-LQFP | |
| C8051F562-IQR | SILICON LABORATORIES INC | 8051 | 8-Bit | 50MHz | SMBus (2-Wire/I²C), LIN, SPI, UART/USART | 25 | 32KB (32K x 8) | FLASH | - | 2.25K x 8 | 1.8 V ~ 5.25 V | A/D 25x12b | Internal | -40°C ~ 125°C | 32-LQFP | |
| C8051F540-IQR | SILICON LABORATORIES INC | 8051 | 8-Bit | 50MHz | SMBus (2-Wire/I²C), LIN, SPI, UART/USART | 25 | 16KB (16K x 8) | FLASH | - | 1.25K x 8 | 1.8 V ~ 5.25 V | A/D 25x12b | Internal | -40°C ~ 125°C | 32-LQFP | |
| C8051F545-IQ | SILICON LABORATORIES INC | 8051 | 8-Bit | 50MHz | SMBus (2-Wire/I²C), LIN, SPI, UART/USART | 25 | 8KB (8K x 8) | FLASH | - | 1.25K x 8 | 1.8 V ~ 5.25 V | A/D 25x12b | Internal | -40°C ~ 125°C | 32-LQFP |
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