Microchip

PIC18F4220- 10 bit Microcontroller with 2k Bytes Flash Program Memory and USART

Photograph

Features Low-Power Features - RUN: CPU on, peripherals on - PRI_RUN: 150 µA, 1 MHz, 2V - Timer1 Oscillator: 1.1 µA, 32 kHz, 2V - Watchdog Timer: 2.1 µA - Two-Speed Oscillator Start-up Peripheral Features - High current sink/source 25 mA/25 mA - Three external interrupt - Enhanced Capture/ Compare/ PWM (ECCP) module - Compatiable 10-bit, up to 13-channel Analog-to-Digital Converter module (A/D) - Enhanced Capture/ Compare/ PWM (ECCP) module - Capture 16-bit, max. resolution 6.25 ns - Compare 16-bit, max. resolution 100 ns - Dual analog comparators - RS-232 operation using internal oscillator block Special Microcontroller Features - Priority levels for interrupts - 8 x 8 Single-Cycle Hardware Multiplier - Programmable period from 41 ms to 131s - 100,000 erase/write cycle Enhanced FLASH program memory typical - 1,000,000 erase/write cycle Data EEPROM memory - Wide operating volatge range: 2.0V to 5.5V - Single supply 5V In-circuit Serial Programming via two pins - In-Circuit Debug (ICD) Oscillators - Foue Crystal modes - Two external RC modes, up to 4 MHz - 8 user-selectable frequencies - Secondary oscillator using Time1 @ 32 kHz - Fail-Safe Clock Monitor

Pin Description Pin Number Description 1 MCLR/VPP/RE3 2 RA0/AN0 3 RA1/AN1 4 RA2/AN2/VREF-/CVREF 5 RA3/AN3/VREF+ 6 RA4/T0CKI/C1OUT 7 RA5/AN4/SS/LVDIN/C2OUT 8 RE0/AN5/RD 9 RE1/AN6/WR 11 RE2/AN7/CS 12 VSS 13 OSC1/CLKI/RA7 14 OSC2/CLKO/RA6 15 RC0/T1OSO/T1CKI 16 RC1/T1OSI/CCP2 17 RC2/CCP1/P1A 18 RC3/SCK/SCL 19 RD0/PSP0 20 RD1/PSP1 21 RD2/PSP2 22 RD3/PSP3 23 RC4/SDI/SDA 24 RC5/SDO 25 RC6/TX/CK 27 RC7/RX/DT 28 RD5/PSP5/P1B 29 RD6/PSP6/P1C 30 RD7/PSP7/P1D 31 VSS 32 VDD 33 RB0/AN12/INT0 34 RB1/AN10/INT1 35 RB2/AN8/INT2 36 RB3/AN9/CCP2 37 RB4/AN11/KBI0 38 RB5/KBI1/PGM 39 RB6/KBI2/PGC 40 RB7/KBI3/PGD

Pin Layout Dimensional Drawing

Technical Data Data Sheet Microchip - Data Sheet for PIC18F2220/2320/4220/4320 Application Notes Microchip - PIC Application Notes