8-bit PIC microcontroller featuring a PIC CPU core and 8KB FLASH memory. Operates at up to 40MHz with 512B RAM and 36 programmable I/O pins. Supports I2C, SPI, and UART/USART interfaces, with 4 timers/counters and internal oscillator. Packaged in a 44-pin QFN surface mount configuration, this lead-free and RoHS compliant component operates from -40°C to 85°C with a supply voltage range of 4.2V to 5.5V. Includes peripherals like Brown-out Detect/Reset, POR, PWM, and WDT.
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Microchip PIC18F4321T-I/ML technical specifications.
| Access Time | 40us |
| Package/Case | QFN |
| Core Architecture | PIC |
| Data Bus Width | 8b |
| Interface | I2C, SPI, UART, USART |
| Lead Free | Lead Free |
| Max Frequency | 40MHz |
| Max Operating Temperature | 85°C |
| Min Operating Temperature | -40°C |
| Max Power Dissipation | 1W |
| Max Supply Voltage | 5.5V |
| Memory Size | 8KB |
| Memory Type | FLASH, |
| Min Supply Voltage | 4.2V |
| Mount | Surface Mount |
| Number of Programmable I/O | 36 |
| Number of Timers/Counters | 4 |
| Oscillator Type | Internal |
| Package Quantity | 1600 |
| Packaging | Tape and Reel |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT, HLVD |
| Radiation Hardening | No |
| RAM Size | 512B |
| RoHS Compliant | Yes |
| Series | PIC® 18F |
| Watchdog Timer | Yes |
| RoHS | Compliant |
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