Microchip

PIC16F87- 8 bit Microcontroller with 7k Bytes Flash Program Memory and USART

Photograph

Features Special Microcontroller Features - 100,000 erase/write cycles Enhanced Flash program memory typical - 1,000,000 typical erase/write cycles EEPROM data memory typical - Low-Voltage Programming - In-circuit Debugging via two pins - Programmable period from 1 ms to 268s - Wide operating voltage range: 2.0V to 5.5V Low Features - Primary Run: RC Oscillator, 76 µA, 1 MHz, 2V - RC_RUn: 7 µA, 31.25 kHz, 2V - TImer1 Oscillator: 1.8 µA, 32kHz, 2V - Watchdog Timer: 2.2 µA, 2V - Two-Speed Oscillator Start-up Peripheral Features - 10-bit, 7-channel Analog-to-Digital Converter - Synchronous Serial Port (SSP) with SPI and I²C - RS232 operaton using internal oscillator (no external crystal required) - Programmable on-chip vvoltage reference Oscillators - Three Crysal modes: LP, XT, HS (up to 20 MHz) - Two External RC modes - ECIO (up to 20 MHz) - 8 user-selectable frequencies

Pin Description Pin Number Description 1 RA2/AN2/CVREF 2 RA3/AN3/C1OUT 3 RA4/T0CKI/C2OUT 4 RA5/MCLR/VPP 5 Vss 6 RB0/INT/CCP1(¹) 7 RB1/SDI/SDA 8 RB2/SDO/RX/DT 9 RB3/PGM/ACCP1(¹) 10 RB4/SCK/SCL 11 RB5/SS/TX/CK 12 RB6/PGC//P1OSO/TICKI 13 RB7/PGD/T1OSO/T1CKI 14 VDD 15 RA6/OSC2/CLKO 16 RA7, OSC1/CLKI 17 RA0/AN0 18 RA1/AN1

Pin Layout Dimensional Drawing

Technical Data Data Sheet Microchip - Data Sheet for PIC16F87/88 Application Notes Microchip - PIC Application Notes