This document is a datasheet for the PIC18F87J10 series high-performance 1 Mb flash microcontroller manufactured by Microchip Technology Inc. The datasheet describes the features and characteristics of this series of microcontrollers.
The PIC18F87J10 series is a low‑voltage 8‑bit microcontroller family offering up to 128 KB of flash, 3.9 KB of RAM and a rich set of peripherals such as multiple USARTs, MSSP modules, ADCs and PWM channels. It targets high‑performance, low‑cost applications while retaining the classic PIC18 advantages.
This document provides a complete description of the device, including electrical characteristics, pin configurations, memory organization, oscillator selections, power‑management modes, reset behavior, and detailed peripheral registers. It also lists ordering information and contact details for technical support. This manual is written in Chinese.
| Operating voltage range | 2.0 V to 3.6 V |
|---|---|
| 5.5 V tolerant inputs (digital pins) | Yes |
| On‑chip regulator output | 2.5 V |
| Maximum oscillator frequency | 40 MHz |
| Watchdog timer programmable range | 4 ms to 131 s |
| External bus addressable memory | Up to 2 MB |
| I/O ports (80‑pin device) | 9 ports (A‑J) |
The device operates from 2.0 V up to 3.6 V.
The microcontroller can run at frequencies up to 40 MHz.
The 80‑pin device has nine I/O ports, labeled A through J.