IC MCU 8BIT 4KB FLASH 24QFN
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| Package/Case | QFN |
| Core Architecture | 8051 |
| Data Bus Width | 8b |
| Interface | I2C, SPI, UART, USART, SMBus, 2-Wire |
| Max Frequency | 7kHz |
| Max Operating Temperature | 85°C |
| Memory Size | 4KB |
| Memory Type | FLASH, |
| Min Operating Temperature | -40°C |
| Number of I/Os | 17 |
| Number of Programmable I/O | 17 |
| Number of Timers/Counters | 4 |
| Operating Supply Voltage | 2.4V |
| Oscillator Type | Internal |
| Packaging | Rail/Tube |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT |
| Radiation Hardening | No |
| RAM Size | 0.5KB |
| RoHS Compliant | No |
| Series | C8051F9xx |
| Watchdog Timer | Yes |
| RoHS | Not CompliantNo |
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