PIC18F2420/2520/4420/4520 - 28/40/44-Pin Case - Enhanced Flash Microcontrollers with 10-Bit A/D Special Microcontroller Features: - C Compiler Optimized Architecture: - Optional extended instruction set designed to optimize re-entrant code - 100,000 Erase/Write Cycle Enhanced Flash Program Memory Typical - 1,000,000 Erase/Write Cycle Data EEPROM Memory Typical - Flash/Data EEPROM Retention: 100 Years Typical - Self-Programmable under Software Control - Priority Levels for Interrupts - 8 x 8 Single-Cycle Hardware Multiplier - Extended Watchdog Timer (WDT): - Programmable period from 4 ms to 131s - Single-Supply 5V In-Circuit Serial Programming™ (ICSP™) via Two Pins - In-Circuit Debug (ICD) via Two Pins - Wide Operating Voltage Range: 2.0V to 5.5V - Programmable Brown-out Reset (BOR) with Software Enable Option Power Management Features: - Run: CPU on, Peripherals on - Idle: CPU off, Peripherals on - Sleep: CPU off, Peripherals off - Ultra Low 50nA Input Leakage - Run mode Currents Down to 11 µA Typical - Idle mode Currents Down to 2.5 µA Typical - Sleep mode Current Down to 100 nA Typical - Timer1 Oscillator: 900 nA, 32 kHz, 2V - Watchdog Timer: 1.4 µA, 2V Typical - Two-Speed Oscillator Start-up Flexible Oscillator Structure: - Four Crystal modes, up to 40 MHz - 4x Phase Lock Loop (PLL) - Available for Crystal and Internal Oscillators - Two External RC modes, up to 4 MHz - Two External Clock modes, up to 40 MHz - Internal Oscillator Block: - Fast wake from Sleep and Idle, 1 µs typical - 8 use-selectable frequencies, from 31 kHz to 8 MHz - Provides a complete range of clock speeds from 31 kHz to 32 MHz when used with PLL - User-tunable to compensate for frequency drift - Secondary Oscillator using Timer1 @ 32 kHz - Fail-Safe Clock Monitor: - Allows for safe shutdown if peripheral clock stops Peripheral Features: - High-Current Sink/Source 25 mA/25 mA - Three Programmable External Interrupts - Four Input Change Interrupts - Up to 2 Capture/Compare/PWM (CCP) modules, one with Auto-Shutdown (28-pin devices) - Enhanced Capture/Compare/PWM (ECCP) module (40/44-pin devices only): - One, two or four PWM outputs - Selectable polarity - Programmable dead time - Auto-shutdown and auto-restart - Master Synchronous Serial Port (MSSP) module Supporting 3-Wire SPI (all 4 modes) and I2C™ Master and Slave modes - Enhanced Addressable USART module: - Supports RS-485, RS-232 and LIN/J2602 - RS-232 operation using internal oscillator block (no external crystal required) - Auto-wake-up on Start bit - Auto-Baud Detect - 10-Bit, up to 13-Channel Analog-to-Digital (A/D) Converter module: - Auto-acquisition capability - Conversion available during Sleep - Dual Analog Comparators with Input Multiplexing - Programmable 16-Level High/Low-Voltage Detection (HLVD) module: - Supports interrupt on High/Low-Voltage Detection https://elecena.pl/product/9714019/pic18f2520-i-so-8-bit-picmicro-microcontroller-32-kb-40-mhz-so-28 2017-08-06 https://elecena.pl/product/9714019/pic18f2520-i-so-8-bit-picmicro-microcontroller-32-kb-40-mhz-so-28 2018-03-27 https://elecena.pl/product/9714019/pic18f2520-i-so-8-bit-picmicro-microcontroller-32-kb-40-mhz-so-28 2018-05-04 https://elecena.pl/product/9714019/pic18f2520-i-so-8-bit-picmicro-microcontroller-32-kb-40-mhz-so-28 2018-12-17 https://elecena.pl/product/9714019/pic18f2520-i-so-8-bit-picmicro-microcontroller-32-kb-40-mhz-so-28 2019-02-04 https://elecena.pl/product/9714019/pic18f2520-i-so-8-bit-picmicro-microcontroller-32-kb-40-mhz-so-28 2019-04-02 https://elecena.pl/product/9714019/pic18f2520-i-so-8-bit-picmicro-microcontroller-32-kb-40-mhz-so-28 2021-04-26 https://elecena.pl/product/9714019/pic18f2520-i-so-8-bit-picmicro-microcontroller-32-kb-40-mhz-so-28 2021-09-26 https://elecena.pl/product/9714019/pic18f2520-i-so-8-bit-picmicro-microcontroller-32-kb-40-mhz-so-28 2021-11-22 https://elecena.pl/product/9714019/pic18f2520-i-so-8-bit-picmicro-microcontroller-32-kb-40-mhz-so-28 2021-12-21 https://elecena.pl/product/9714019/pic18f2520-i-so-8-bit-picmicro-microcontroller-32-kb-40-mhz-so-28 2022-10-20 https://elecena.pl/product/9714019/pic18f2520-i-so-8-bit-picmicro-microcontroller-32-kb-40-mhz-so-28 2023-03-06 https://elecena.pl/product/9714019/pic18f2520-i-so-8-bit-picmicro-microcontroller-32-kb-40-mhz-so-28 2023-07-30 https://elecena.pl/product/9714019/pic18f2520-i-so-8-bit-picmicro-microcontroller-32-kb-40-mhz-so-28 2023-08-27 https://elecena.pl/product/9714019/pic18f2520-i-so-8-bit-picmicro-microcontroller-32-kb-40-mhz-so-28 2024-05-19 https://elecena.pl/product/9714019/pic18f2520-i-so-8-bit-picmicro-microcontroller-32-kb-40-mhz-so-28 2024-07-06 https://elecena.pl/product/9714019/pic18f2520-i-so-8-bit-picmicro-microcontroller-32-kb-40-mhz-so-28 2024-07-26 https://elecena.pl/product/9714019/pic18f2520-i-so-8-bit-picmicro-microcontroller-32-kb-40-mhz-so-28 2025-09-10 https://elecena.pl/product/9714019/pic18f2520-i-so-8-bit-picmicro-microcontroller-32-kb-40-mhz-so-28 2025-12-27