8-Bit Microcontroller (MCU) featuring an 8051 core architecture and 25MHz clock speed. This CMOS device offers 16KB of FLASH memory and 0.75KB of RAM, with 21 programmable I/O pins. Integrated peripherals include POR, PWM, and WDT, alongside multiple communication interfaces such as I2C, SPI, UART, USART, and SMBus. Operating voltage ranges from 2.7V to 3.6V, with an operating temperature range of -40°C to 85°C. The QFN package provides a compact solution for embedded applications.
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| Package/Case | QFN |
| Core Architecture | 8051 |
| Data Bus Width | 8b |
| Frequency | 25MHz |
| Interface | I2C, SPI, UART, USART, SMBus, 2-Wire |
| Max Frequency | 25MHz |
| Max Operating Temperature | 85°C |
| Memory Size | 16KB |
| Memory Type | FLASH, |
| Min Operating Temperature | -40°C |
| Max Supply Voltage | 3.6V |
| Min Supply Voltage | 2.7V |
| Number of Channels | 3 |
| Number of I/Os | 21 |
| Number of Programmable I/O | 21 |
| Number of Timers/Counters | 4 |
| Operating Supply Voltage | 3V |
| Oscillator Type | Internal |
| Package Quantity | 91 |
| Packaging | Rail/Tube |
| Peripherals | POR, PWM, WDT |
| RAM Size | 0.75KB |
| RoHS Compliant | Yes |
| Series | C8051F33x |
| RoHS | Compliant |
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