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| Part Number | C8051F850-C-GU | C8051F850-C-GUR | C8051F855-C-GU | C8051F852-C-GU | C8051F850-C-IU | C8051F850-B-GU | C8051F850-C-GM |
|---|---|---|---|---|---|---|---|
| Manufacturer | Silicon Labs | Silicon Labs | Silicon Labs | Silicon Labs | Silicon Labs | Silicon Labs | Silicon Labs |
| Product Status | Active | Active | Active | Active | Active | Obsolete | Active |
| Core Processor | CIP-51™ | CIP-51™ | 8051 | 8051 | CIP-51™ | CIP-51™ | CIP-51™ |
| Core Size | 8-Bit | 8-Bit | 8-Bit | 8-Bit | 8-Bit | 8-Bit | 8-Bit |
| Speed | 25MHz | 25MHz | 25MHz | 25MHz | 25MHz | 25MHz | 25MHz |
| Connectivity | I²C, SMBus, SPI, UART/USART | I²C, SMBus, SPI, UART/USART | I²C, SPI, UART/USART | I²C, 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 | 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 | 16 | 16 | 15 |
| Program Memory Size | 8KB (8K x 8) | 8KB (8K x 8) | 2KB (2K x 8) | 2KB (2K x 8) | 8KB (8K x 8) | 8KB (8K x 8) | 8KB (8K x 8) |
| Program Memory Type | Flash | Flash | Flash | Flash | Flash | Flash | Flash |
| EEPROM Size | - | - | - | - | - | - | - |
| RAM Size | 512 x 8 | 512 x 8 | 256 x 8 | 256 x 8 | 512 x 8 | 512 x 8 | 512 x 8 |
| Voltage - Supply (Vcc/Vdd) | 2.2V ~ 3.6V | 2.2V ~ 3.6V | 2.2V ~ 3.6V | 2.2V ~ 3.6V | 2.2V ~ 3.6V | 2.2V ~ 3.6V | 2.2V ~ 3.6V |
| Data Converters | A/D 16x12b | A/D 16x12b | - | A/D 16x12b | A/D 16x12b | A/D 16x12b | A/D 15x12b |
| Oscillator Type | Internal | Internal | Internal | 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) | -40°C ~ 125°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 24-SSOP (0.154", 3.90mm Width) | 24-SSOP (0.154", 3.90mm Width) | 24-SSOP (0.154", 3.90mm Width) | 24-SSOP (0.154", 3.90mm Width) | 24-SSOP (0.154", 3.90mm Width) | 24-SSOP (0.154", 3.90mm Width) | 20-VFQFN Exposed Pad |
| Supplier Device Package | 24-QSOP | 24-QSOP | - | 24-QSOP | 24-QSOP | - | - |
