| Part Number | C8051F967-B-GMR | C8051F965-B-GMR | 
|---|---|---|
| Manufacturer | Silicon Labs | Silicon Labs | 
| Category | Embedded - Microcontrollers | Embedded - Microcontrollers | 
|   |   | |
| Product Status | Active | Active | 
| Core Processor | 8051 | 8051 | 
| Core Size | 8-Bit | 8-Bit | 
| Speed | 25MHz | 25MHz | 
| Connectivity | I²C, SPI, UART/USART | I²C, SPI, UART/USART | 
| Peripherals | DMA, LCD, POR, PWM, WDT | DMA, LCD, POR, PWM, WDT | 
| Number of I/O | 34 | 34 | 
| Program Memory Size | 32KB (32K x 8) | 64KB (64K x 8) | 
| Program Memory Type | Flash | Flash | 
| EEPROM Size | - | - | 
| RAM Size | 8.25K x 8 | 8.25K x 8 | 
| Voltage - Supply (Vcc/Vdd) | 1.8V ~ 3.8V | 1.8V ~ 3.8V | 
| Data Converters | A/D 16x10b/12b | A/D 16x10b/12b | 
| Oscillator Type | Internal | Internal | 
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | 40-VFQFN Exposed Pad | 40-VFQFN Exposed Pad | 
| Supplier Device Package | 40-QFN (6x6) | 40-QFN (6x6) |