Microchip | PIC18F24K20-I/SO

PIC18F2XK20/4XK20 devices can be programmed using either the high-voltage In-Circuit Serial Programming method or the low-voltage ICSP method. Both methods can be done with the device in the user's system.

Features: 

• C Compiler Optimized Architecture
• 16-bit wide instructions, 8-bit wide data path
• Priority levels for interrupts
• 31-level, software accessible hardware stack
• 8 x 8 single-cycle hardware multiplier 
• Frequencies range of 31 kHz to 16 MHz 
• Four crystal modes up to 64 MHz
• Two external clock modes up to 64 MHz
• 4X Phase Lock Loop (PLL)
• Secondary oscillator using Timer1 @ 32 kHz
• Fail-Safe Clock Monitor
• Allows for safe shutdown if peripheral clock stops
• Two-Speed Oscillator Start-up Special Microcontroller
• Auto-acquisition capability
• Conversion available during Sleep  
• Three programmable external interrupts
• Four programmable interrupt-on-change
• Eight programmable weak pull-ups
• I2C™ Master and Slave modes with address mask 
• Enhanced Universal Synchronous Asynchronous Receiver Transmitter (EUSART) module