| Core Processor | 8051 | |
| DigiKey Programmable | Verified | |
| Program Memory Type | FLASH | |
| Product Status | Not For New Designs | |
| Supplier Device Package | 100-TQFP (14x14) | |
| EEPROM Size | - | |
| Package / Case | 100-TQFP | |
| REACH Status | REACH Unaffected | |
| Mfr | Silicon Labs | |
| Voltage - Supply (Vcc/Vdd) | 2.7V ~ 3.6V | |
| RoHS Status | ROHS3 Compliant | |
| Moisture Sensitivity Level (MSL) | 3 (168 Hours) | |
| Speed | 25MHz | |
| Operating Temperature | -40°C ~ 85°C (TA) | |
| RAM Size | 4.25K x 8 | |
| ECCN | EAR99 | |
| Number of I/O | 64 | |
| Peripherals | Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT | |
| Mounting Type | Surface Mount | |
| Oscillator Type | Internal | |
| Series | C8051F04x | |
| Core Size | 8-Bit | |
| Connectivity | CANbus, EBI/EMI, SMBus (2-Wire/I2C), SPI, UART/USART | |
| Program Memory Size | 64KB (64K x 8) | |
| HTSUS | 8542.31.0001 | |
| Package | Tray | |
| Data Converters | A/D 8x8b, 13x12b; D/A 2x10b, 2x12b | |
| Base Product Number | C8051F040 | |
