This datasheet details the specifications, features, and technical descriptions of the Megawin MA805-24 and MA806-24 8051-core microcontrollers.
This document provides comprehensive technical information for the Megawin MA805-24 and MA806-24 microcontrollers, which feature an efficient 1-T structure based on the 80C51 core. The chips offer 24KB of Flash ROM with ISP and IAP capabilities, 256 bytes of internal RAM, and 1024 bytes of XRAM. Key features include three 16-bit timers/counters, enhanced UARTs, a 10-bit ADC, and various power management modes. This manual is written in Chinese.
| CPU Core | 1-T 80C51 |
|---|---|
| Flash ROM Size | 24KB |
| XRAM Size | 1024 bytes |
| Timers/Counters | Three 16-bit |
| ADC Resolution | 10-bit |
| Max ADC Rate | 200 ksps |
| Operating Voltage (MA805-24) | 4.5V~5.5V |
| Operating Voltage (MA806-24) | 2.4V~3.6V |
| Max Frequency | 24MHz |
| Operating Temperature | -40℃ to +85℃ |
The operating voltage range for the MA806-24 is 2.4V to 3.6V.
Yes, the Flash memory supports in-system programming (ISP) without removing the microcontroller.
The chip includes three 16-bit timers/counters: Timer 0, Timer 1, and Timer 2.