This document introduces the features and characteristics of the microcontrollers produced by Guangzhou ZLG MCU Development Co., Ltd., including high-performance static 80C51 design, non-volatile Flash program memory, various operating modes, rich interfaces, and timers/counters.
This document provides a comprehensive overview of the P89C51X2/52X2/54X2/58X2 series microcontrollers, including their high‑performance static 80C51 core, flash memory options, RAM sizes, I/O ports, timers, and power‑saving modes. It also lists package types and pin‑out diagrams for PLCC, DIP and LQFP packages.
Technical specifications such as flash capacity, operating frequency ranges, voltage limits, and special function registers are presented in detail, along with guidelines for low‑power operation, clock configuration, and test conditions. This manual is written in Chinese.
| Flash memory (P89C51X2) | 4 KB |
|---|---|
| Flash memory (P89C58X2) | 32 KB |
| RAM (P89C51X2) | 128 B |
| I/O pins | 32 pins |
| Timers / Counters | Three 16‑bit timers/counters |
| Operating frequency (6‑clock mode) | 0 – 20 MHz |
| Operating frequency (12‑clock mode) | 0 – 33 MHz |
It supports an idle mode that freezes the CPU while keeping RAM, timers and UART active, and a power‑down mode that stops the oscillator and all internal functions, preserving RAM contents.
The series provides 32 I/O pins.