| Series | C8051F9xx |
| Package | Tube |
| Part Status | Not For New Designs |
| Core Processor | CIP-51™ |
| Core Size | 8-Bit |
| Speed | 25MHz |
| Connectivity | I²C/SMBus, I²C Slave, SPI, UART/USART |
| Peripherals | CapSense, DMA, POR, PWM, WDT |
| Number of I/O | 28 |
| Program Memory Size | 16KB (16K x 8) |
| Program Memory Type | FLASH |
| EEPROM Size | - |
| RAM Size | 4K x 8 |
| Voltage - Supply (Vcc/Vdd) | 1.8V ~ 3.6V |
| Data Converters | A/D 28x10b |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
| Package / Case | 32-VFQFN Exposed Pad |
| Supplier Device Package | 32-QFN (5x5) |
