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| Part Number | C8051F391-A-GM | C8051F399-A-GM | C8051F394-A-GM | C8051F392-A-GM | C8051F396-A-GM | C8051F393-A-GM | C8051F398-A-GM | C8051F397-A-GM | C8051F395-A-GM | C8051F391-A-GMR | C8051F371-A-GM | C8051F390-A-GM |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | Silicon Labs | Silicon Labs | Silicon Labs | Silicon Labs | Silicon Labs | Silicon Labs | Silicon Labs | Silicon Labs | Silicon Labs | Silicon Labs | Silicon Labs | Silicon Labs |
| Product Status | Active | Active | Active | Active | Active | Active | Active | Active | Active | Active | Obsolete | Active |
| Core Processor | 8051 | 8051 | 8051 | 8051 | 8051 | 8051 | 8051 | 8051 | 8051 | 8051 | 8051 | 8051 |
| Core Size | 8-Bit | 8-Bit | 8-Bit | 8-Bit | 8-Bit | 8-Bit | 8-Bit | 8-Bit | 8-Bit | 8-Bit | 8-Bit | 8-Bit |
| Speed | 50MHz | 50MHz | 50MHz | 50MHz | 50MHz | 50MHz | 50MHz | 50MHz | 50MHz | 50MHz | 50MHz | 50MHz |
| Connectivity | SMBus (2-Wire/I²C), SPI, UART/USART | SMBus (2-Wire/I²C), SPI, UART/USART | SMBus (2-Wire/I²C), SPI, UART/USART | SMBus (2-Wire/I²C), SPI, UART/USART | SMBus (2-Wire/I²C), SPI, UART/USART | SMBus (2-Wire/I²C), SPI, UART/USART | SMBus (2-Wire/I²C), SPI, UART/USART | SMBus (2-Wire/I²C), SPI, UART/USART | SMBus (2-Wire/I²C), SPI, UART/USART | SMBus (2-Wire/I²C), SPI, UART/USART | SMBus (2-Wire/I²C), SPI, UART/USART | SMBus (2-Wire/I²C), SPI, UART/USART |
| Peripherals | POR, PWM, WDT | POR, PWM, WDT | POR, PWM, Temp Sensor, WDT | POR, PWM, Temp Sensor, WDT | POR, PWM, Temp Sensor, WDT | POR, PWM, WDT | POR, PWM, Temp Sensor, WDT | POR, PWM, WDT | POR, PWM, WDT | POR, PWM, WDT | POR, PWM, WDT | POR, PWM, Temp Sensor, WDT |
| Number of I/O | 21 | 17 | 21 | 17 | 17 | 17 | 17 | 17 | 21 | 21 | 21 | 21 |
| Program Memory Size | 16KB (16K x 8) | 4KB (4K x 8) | 8KB (8K x 8) | 16KB (16K x 8) | 8KB (8K x 8) | 16KB (16K x 8) | 4KB (4K x 8) | 8KB (8K x 8) | 8KB (8K x 8) | 16KB (16K x 8) | 16KB (16K x 8) | 16KB (16K x 8) |
| Program Memory Type | Flash | Flash | Flash | Flash | Flash | Flash | Flash | Flash | Flash | Flash | Flash | Flash |
| EEPROM Size | - | - | - | - | - | - | - | - | - | - | 512 x 8 | - |
| RAM Size | 1K x 8 | 1K x 8 | 1K x 8 | 1K x 8 | 1K x 8 | 1K x 8 | 1K x 8 | 1K x 8 | 1K x 8 | 1K x 8 | 1K x 8 | 1K x 8 |
| Voltage - Supply (Vcc/Vdd) | 1.8V ~ 3.6V | 1.8V ~ 3.6V | 1.8V ~ 3.6V | 1.8V ~ 3.6V | 1.8V ~ 3.6V | 1.8V ~ 3.6V | 1.8V ~ 3.6V | 1.8V ~ 3.6V | 1.8V ~ 3.6V | 1.8V ~ 3.6V | 1.8V ~ 3.6V | 1.8V ~ 3.6V |
| Data Converters | - | - | A/D 20x10b; D/A 2x10b | A/D 16x10b; D/A 2x10b | A/D 16x10b; D/A 2x10b | - | A/D 16x10b; D/A 2x10b | - | - | - | - | A/D 20x10b; D/A 2x10b |
| Oscillator Type | Internal | Internal | Internal | Internal | Internal | Internal | Internal | Internal | Internal | Internal | Internal | Internal |
| Operating Temperature | -40°C ~ 105°C (TA) | -40°C ~ 105°C (TA) | -40°C ~ 105°C (TA) | -40°C ~ 105°C (TA) | -40°C ~ 105°C (TA) | -40°C ~ 105°C (TA) | -40°C ~ 105°C (TA) | -40°C ~ 105°C (TA) | -40°C ~ 105°C (TA) | -40°C ~ 105°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 105°C (TA) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 24-WFQFN Exposed Pad | 20-VFQFN Exposed Pad | 24-WFQFN Exposed Pad | 20-VFQFN Exposed Pad | 20-VFQFN Exposed Pad | 20-VFQFN Exposed Pad | 20-VFQFN Exposed Pad | 20-VFQFN Exposed Pad | 24-WFQFN Exposed Pad | 24-WFQFN Exposed Pad | 24-WFQFN Exposed Pad | 24-WFQFN Exposed Pad |
| Supplier Device Package | 24-QFN (4x4) | 20-QFN (4x4) | 24-QFN (4x4) | 20-QFN (4x4) | 20-QFN (4x4) | 20-QFN (4x4) | 20-QFN (4x4) | 20-QFN (4x4) | 24-QFN (4x4) | 24-QFN (4x4) | 24-QFN (4x4) | 24-QFN (4x4) |
