The 3827 group is the 8-bit microcomputer based on the 740 family core technology.
The M38277M8MXXXFP is a single‑chip 8‑bit CMOS microcomputer from Mitsubishi Electric’s 3827 group, based on the 740 family core. It integrates an LCD drive circuit, A‑D/D‑A converters, UART, PWM, and multiple I/O ports for use in applications such as cameras and wireless phones.
Key features include up to 60 KB of ROM, up to 2 KB of RAM, 55 programmable I/O pins, 17 interrupt sources, and a supply voltage range of 2.2 V to 5.5 V. The document details pin assignments, package types (100‑pin QFP variants), functional block diagrams, and memory expansion options.
| ROM size | 4 KB to 60 KB |
|---|---|
| RAM size | 192 bytes to 2048 bytes |
| Supply voltage | 2.2 V to 5.5 V |
| Operating temperature | –20 °C to 85 °C |
| Instruction execution time | 0.5 µs at 8 MHz |
| Interrupt sources | 17 sources (16 vectors) |
| Programmable I/O ports | 55 ports |
The device operates from 2.2 V to 5.5 V.
It provides 17 interrupt sources with 16 interrupt vectors.
ROM capacity ranges from 4 KB up to 60 KB.
The device can operate from –20 °C to 85 °C.