This document is the datasheet of LPC938 device by Guangzhou Zhi Li Gong Single Chip Microcomputer Development Co., Ltd. The document describes the features and functions of LPC938, and provides detailed information such as ordering information, block diagram, functional diagram, pin information, etc.
The LPC938 is a low‑cost 8‑bit microcontroller from ZLG that integrates flash program memory, RAM, EEPROM, ADC, comparators, timers, UART, I²C and SPI interfaces. It offers multiple package options and a wide operating voltage range.
The document provides detailed block and functional diagrams, pin descriptions, ordering options, electrical characteristics, power‑saving modes and interrupt handling information for designers and developers. This manual is written in Chinese.
| Flash program memory | 8 KB |
|---|---|
| RAM | 256 bytes |
| Additional internal RAM | 512 bytes |
| EEPROM | 512 bytes |
| A/D converter | 8‑channel, 10‑bit |
| Operating voltage (VDD) | 2.4 V – 3.6 V |
The device contains 8 KB of erase‑able flash program memory with 1 KB sectors and 64‑byte pages.
The microcontroller provides a minimum of 23 I/O pins, increasing to up to 26 pins when the internal oscillator and reset options are selected.
The LPC938 is available in TSSOP‑28, PLCC‑28 and HVQFN‑28 packages.
The core operates from 2.4 V to 3.6 V, while I/O pins can tolerate up to 5 V (5.5 V with pull‑up).