8-bit CMOS microcontroller featuring a PIC CPU architecture and a 64MHz maximum operating frequency. This integrated circuit offers 64KB of FLASH memory, 4KB of RAM, and 53 programmable I/O pins. Key interfaces include I2C, SPI, and UART/USART, supported by 11 timers/counters and an internal oscillator. The device operates within a 1.8V to 5.5V supply voltage range and is housed in a QFN package. Peripherals include Brown-out Detect/Reset, POR, PWM, WDT, and LCD control.
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Microchip PIC18F66K90-I/MRRSL technical specifications.
| Package/Case | QFN |
| Core Architecture | PIC |
| Data Bus Width | 8b |
| Frequency | 64MHz |
| Interface | I2C, SPI, UART, USART |
| Max Frequency | 64MHz |
| Max Operating Temperature | 85°C |
| Min Operating Temperature | -40°C |
| Max Power Dissipation | 1W |
| Max Supply Voltage | 5.5V |
| Memory Size | 64KB |
| Memory Type | FLASH |
| Min Supply Voltage | 1.8V |
| Number of I/Os | 53 |
| Number of Programmable I/O | 53 |
| Number of Timers/Counters | 11 |
| Oscillator Type | Internal |
| Packaging | Rail/Tube |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT, LCD |
| Radiation Hardening | No |
| RAM Size | 4KB |
| Reach SVHC Compliant | No |
| RoHS Compliant | Yes |
| Series | PIC® XLP™ 18K |
| Watchdog Timer | Yes |
| RoHS | Compliant |
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