PIC18F24K20-I/SO 8-bit PICmicro microcontroller, 16 KB, 64 MHz, SO-28

PIC18F2XK20/4XK20 28/40/44-Pin Flash Microcontrollers with XLP Technology

High-Performance RISC CPU - C Compiler Optimized Architecture: - Optional extended instruction set designed to optimize re-entrant code - Up to 1024 bytes Data EEPROM - Up to 64 Kbytes Linear Program Memory Addressing - Up to 3936 bytes Linear Data Memory Addressing - Up to 16 MIPS Operation - 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

Special Microcontroller Features - Operating Voltage Range: 1.8V to 3.6V - Self-Programmable under Software Control - Programmable 16-Level High/Low-Voltage Detection (HLVD) module: - Interrupt on High/Low-Voltage Detection - Programmable Brown-out Reset (BOR): - With software enable option - Extended Watchdog Timer (WDT): - Programmable period from 4 ms to 131s - Single-Supply 3V In-Circuit Serial Programming™ (ICSP™) via Two Pins - In-Circuit Debug (ICD) via Two Pins

Flexible Oscillator Structure - Precision 16 MHz Internal Oscillator Block: - Factory calibrated to ± 1% - Software selectable frequencies range of 31 kHz to 16 MHz - 64 MHz performance available using PLL, no external components required - 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

Extreme Low-Power Management with XLP - Sleep Mode: - Watchdog Timer: - Timer1 Oscillator: Analog Features - Analog-to-Digital Converter (ADC) Module: - 10-bit resolution, 13 External Channels - Auto-acquisition capability - Conversion available during Sleep - 1.2V Fixed Voltage Reference (FVR) channel - Independent input multiplexing - Analog Comparator Module: - Two rail-to-rail analog comparators - Independent input multiplexing - Voltage Reference (CVREF) Module - Programmable (% VDD), 16 steps - Two 16-level voltage ranges using VREF pins

Peripheral Highlights - Up to 35 I/O Pins plus 1 Input-only Pin: - High-Current Sink/Source 25 mA/25 mA - Three programmable external interrupts - Four programmable interrupt-on-change - Eight programmable weak pull-ups - Programmable slew rate - Capture/Compare/PWM (CCP) Module - Enhanced CCP (ECCP) module: - One, two or four PWM outputs - Selectable polarity - Programmable dead time - Auto-shutdown and auto-restart - Master Synchronous Serial Port (MSSP) Module - 3-wire SPI (supports all four modes) - I2C™ Master and Slave modes with address mask - Enhanced Universal Synchronous Asynchronous Receiver Transmitter (EUSART) Module: - Supports RS-485, RS-232 and LIN - RS-232 operation using internal oscillator - Auto-Wake-up on Break - Auto-Baud Detect