| Core Processor | 8051 | |
| DigiKey Programmable | Not Verified | |
| Program Memory Type | FLASH | |
| Product Status | Not For New Designs | |
| Supplier Device Package | 32-LQFP (7x7) | |
| EEPROM Size | - | |
| Package / Case | 32-LQFP | |
| Mfr | Silicon Labs | |
| Voltage - Supply (Vcc/Vdd) | 1.8V ~ 5.25V | |
| RoHS Status | RoHS Compliant | |
| Moisture Sensitivity Level (MSL) | 3 (168 Hours) | |
| Speed | 50MHz | |
| Operating Temperature | -40°C ~ 125°C (TA) | |
| RAM Size | 1.25K x 8 | |
| ECCN | 3A991A2 | |
| Number of I/O | 25 | |
| Peripherals | POR, PWM, Temp Sensor, WDT | |
| Mounting Type | Surface Mount | |
| Oscillator Type | Internal | |
| Series | C8051F54x | |
| Core Size | 8-Bit | |
| Connectivity | SMBus (2-Wire/I2C), LINbus, SPI, UART/USART | |
| Program Memory Size | 16KB (16K x 8) | |
| HTSUS | 8542.31.0001 | |
| Package | Tray | |
| Data Converters | A/D 25x12b | |
| Base Product Number | C8051F540 | |
