The Megawin MA82G5A64 manual details features, specifications, pinout, and programming information for the 8051‑core microcontroller.
This manual provides a comprehensive description of the MA82G5A64 8051‑core microcontroller developed by Megawin. It covers the device architecture, pin configuration, memory organization, peripheral functions, and power‑management options.
The document includes register maps, timing diagrams, example code, and guidelines for using the UARTs, SPI, TWSI, ADC, timers, watchdog, and other on‑chip features, making it a reference for hardware designers and firmware developers. This manual is written in Chinese.
| Flash program memory | 64 KB |
|---|---|
| Internal data memory | 256 bytes |
| External XRAM | up to 5 120 bytes |
| Number of 16‑bit timers/counters | 4 |
| ADC resolution and speed | 12‑bit, up to 250 ksps |
| Operating voltage range | 2.0 V – 5.5 V |
| Maximum CPU frequency | 36 MHz |
| Industrial temperature range | -40 °C to +125 °C |
The device operates from 2.0 V to 5.5 V.
The microcontroller provides four 16‑bit timers/counters.
The MA82G5A64 can run up to 36 MHz.
It includes a 12‑bit ADC with up to 250 ksps conversion speed.