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| Part Number | C8051F990-C-GMR |
| Datasheet | C8051F990-C-GMR datasheet |
| Description | IC MCU 8BIT 8KB FLASH 20QFN |
| Manufacturer | Silicon Labs |
| Series | C8051F9xx |
| Part Status | Active |
| Core Processor | CIP-51 8051 |
| Core Size | 8-Bit |
| Speed | 25MHz |
| Connectivity | SMBus (2-Wire/I²C), SPI, UART/USART |
| Peripherals | Brown-out Detect/Reset, Cap Sense, POR, PWM, Temp Sensor, WDT |
| Number of I/O | 16 |
| Program Memory Size | 8KB (8K x 8) |
| Program Memory Type | FLASH |
| EEPROM Size | - |
| RAM Size | 512 x 8 |
| Voltage - Supply (Vcc/Vdd) | 1.8V ~ 3.6V |
| Data Converters | A/D 9x12b |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Package / Case | Surface Mount |
| Supplier Device Package | 20-UFQFN Exposed Pad |
| Base Part Number | 20-QFN (3x3) |