This is a specification document for MDT10P74 microcontroller. The microcontroller is designed using fully static CMOS technology and features high speed, small size, low power consumption, and high noise immunity. It includes 4K words of ROM and 192 bytes of static RAM. The microcontroller has features such as fully CMOS static design, 8-bit data bus, 37 instructions, and 8-level hardware stack. It is suitable for various applications, including engine control, high-speed automatic vehicles, and low-power remote control transmitters/receivers.
The MDT10P74 is an 8‑bit microcontroller built with fully static CMOS technology. It integrates 4 K‑word EPROM, 192 bytes of static RAM, and a range of peripherals including timers, PWM, A/D converter, and a synchronous serial port.
The document details the pinout, register map, electrical parameters, and functional blocks, making it a reference for designers developing engine‑control, remote‑control, toy, automotive, or PC‑peripheral applications. This manual is written in Chinese.
| Data bus width | 8‑bit |
|---|---|
| ROM size | 4 K words |
| RAM size | 192 bytes |
| Operating voltage | 2.5 V – 5.5 V (PRD disabled), 4.5 V – 5.5 V (PRD enabled) |
| Maximum clock frequency | 20 MHz |
| Instruction length | 14 bits |
| I/O pins | 33 individually controllable I/O pins |
| A/D converter channels | 8 analog inputs (shared) |
| Interrupt sources | 12 |
It operates from 2.5 V to 5.5 V when PRD is disabled, and from 4.5 V to 5.5 V when PRD is enabled.
The device provides 33 individually controllable I/O pins.
The internal EPROM is 4 K words in size.
The microcontroller can run up to 20 MHz.