8-bit microcontroller featuring 24KB FLASH memory and 1408B RAM. Operates at up to 40MHz with an 8-bit data bus width. Offers I2C, SPI, and UART/USART interfaces, 32 programmable I/O pins, and 3 timers/counters. Includes peripherals such as Brown-out Detect/Reset, POR, PWM, and WDT. Supplied in a 40-pin PDIP package, with an operating voltage range of 4.2V to 5.5V and a temperature range of -40°C to 85°C.
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Microchip PIC18F4539-I/P technical specifications.
| Access Time | 40us |
| Package/Case | PDIP |
| Core Architecture | PIC |
| Data Bus Width | 8b |
| Frequency | 40MHz |
| Interface | I2C, SPI, UART, USART |
| Max Frequency | 40MHz |
| Max Operating Temperature | 85°C |
| Memory Size | 24KB |
| Memory Type | FLASH |
| Min Operating Temperature | -40°C |
| Max Power Dissipation | 1W |
| Max Supply Voltage | 5.5V |
| Min Supply Voltage | 4.2V |
| Number of I/Os | 32 |
| Number of Programmable I/O | 32 |
| Number of Timers/Counters | 3 |
| Operating Supply Voltage | 5V |
| Oscillator Type | Internal |
| Package Quantity | 10 |
| Packaging | Rail/Tube |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT, LVD |
| Radiation Hardening | No |
| RAM Size | 1408B |
| RoHS Compliant | Yes |
| Series | PIC® 18F |
| Watchdog Timer | Yes |
| RoHS | Compliant |
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