8-bit microcontroller featuring 64KB FLASH memory and 4KB RAM. Operates at a maximum frequency of 64MHz with an 8-bit data bus width. Offers 53 programmable I/O pins and supports I2C, SPI, and UART interfaces. Includes 16 ADC channels and 11 timers/counters. Packaged in a 64-pin VQFN with dimensions of 9mm x 9mm x 0.95mm.
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Microchip PIC18F66K90-I/MR technical specifications.
| Package/Case | VQFN |
| Core Architecture | PIC |
| Data Bus Width | 8b |
| Height | 0.95mm |
| Interface | I2C, SPI, UART, USART |
| Length | 9mm |
| Max Frequency | 64MHz |
| Max Operating Temperature | 85°C |
| Memory Size | 64KB |
| Memory Type | FLASH |
| Min Operating Temperature | -40°C |
| Max Power Dissipation | 1W |
| Number of ADC Channels | 16 |
| Number of I/Os | 53 |
| Number of I2C Channels | 2 |
| Number of Programmable I/O | 53 |
| Number of SPI Channels | 2 |
| Number of Timers/Counters | 11 |
| Oscillator Type | Internal |
| Package Quantity | 1 |
| Packaging | Rail/Tube |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT, LCD |
| Radiation Hardening | No |
| RAM Size | 4KB |
| RoHS Compliant | Yes |
| Series | PIC® XLP™ 18K |
| Watchdog Timer | Yes |
| Width | 9mm |
| RoHS | Compliant |
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