The M37274MA-XXXSP is a single-chip microcomputer designed with CMOS silicon gate technology. It has a simple instruction set and places the ROM, RAM, and I/O addresses on the same memory map for easy programming. The M37274MA-XXXSP features OSD function and data slicer function, making it useful for a channel selection system for TV with a closed caption decoder.
The Mitsubishi M37274MA-XXXSP is a single-chip microcomputer designed with CMOS silicon gate technology, housed in a 52-pin shrink plastic molded DIP package. It features a simple instruction set with ROM, RAM, and MO addresses on the same memory map to enable easy programming. The chip includes built-in functions for closed caption decoding and on-screen display (OSD) control, making it suitable for channel selection systems in TVs.
Key features include 71 basic instructions with a minimum execution time of 0.5 µs at 8 MHz, 40 KB of ROM, and 768 bytes of RAM. The device supports various input/output ports, a multi-master I2C-BUS interface, an 8-bit A/D converter, and PWM output circuits. It also incorporates a data slicer with 128 levels and an OSD function capable of displaying 36 characters by 12 lines with support for multiple character sizes and colors.
| Number of basic instructions | 71 |
|---|---|
| Clock frequency | 8 MHz |
| ROM size | 40 K bytes |
| RAM size | 768 bytes |
| Power source voltage | 5V+10% |
| Operating temperature range | -10°C to 70°C |
| Package type | 52-pin shrink plastic molded DIP |
The maximum clock frequency for this microcomputer is 8 MHz.
The device operates within a temperature range of -10°C to 70°C.