8-bit microcontroller featuring a 25MHz CMOS core, 64KB FLASH memory, and 5.25KB RAM. Offers 25 programmable I/O pins and supports multiple interfaces including I2C, SPI, USB, and UART. Includes 4 timers/counters, an internal oscillator, and peripherals like Brown-out Detect/Reset, POR, PWM, and WDT. Designed for surface mounting in an LQFP package with tin contact plating, operating from 2.7V to 5.25V and a temperature range of -40°C to 85°C.
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| Package/Case | LQFP |
| Contact Plating | Tin |
| Core Architecture | 8051 |
| Data Bus Width | 8b |
| Interface | I2C, SPI, USB, UART, SMBus, USART, 2-Wire |
| Max Frequency | 25MHz |
| Max Operating Temperature | 85°C |
| Max Supply Voltage | 5.25V |
| Memory Size | 64KB |
| Memory Type | FLASH, |
| Min Operating Temperature | -40°C |
| Min Supply Voltage | 2.7V |
| Mount | Surface Mount |
| Number of Channels | 5 |
| Number of I/Os | 25 |
| Number of Programmable I/O | 25 |
| Number of Timers/Counters | 4 |
| Oscillator Type | Internal |
| Package Quantity | 500 |
| Packaging | Tape and Reel |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT, Temp Sensor |
| RAM Size | 5.25KB |
| RoHS Compliant | Yes |
| Series | C8051F34x |
| Watchdog Timer | Yes |
| RoHS | Compliant |
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