The HD627XX datasheet provides specifications, pin configurations, and functional descriptions for the HD627XX microcontroller.
The HD627XX series is a low‑power 8‑bit microcontroller designed for door‑access, home‑automation, consumer electronics, lighting control and other applications. It offers a compact instruction set, multiple I/O pins, built‑in ADC, PWM, watchdog timer and various power‑saving modes.
The document details the device architecture, pin‑out diagrams for SOP‑8, SOP‑14, SOP‑16 and MSOP‑10 packages, memory map, special function registers, timer modules, ADC operation, and electrical characteristics such as operating voltage, temperature range and maximum clock frequency. This manual is written in Chinese.
| Operating Voltage | 2.0 V – 5.5 V |
|---|---|
| Operating Temperature | -40 °C – 85 °C |
| Maximum Clock Frequency | 16 MHz |
| Data EEPROM | 256 B |
| SRAM | 128 B |
| ADC Resolution | 10‑bit, up to 8 channels |
| General‑purpose I/O Pins | Up to 16 pins |
The device operates from 2.0 V to 5.5 V.
It provides up to 16 general‑purpose I/O pins.
The maximum clock frequency is 16 MHz.