S3C7031/7032 is a single-chip CMOS microcontroller produced by Samsung. It uses Samsung's newest 4-bit CPU core and has relatively high performance. It can be used in a variety of applications such as mouse controllers, subsystem controllers, and toys.
The S3C7031/7032 is a single‑chip CMOS microcontroller featuring a 4‑bit CPU core, comparator inputs, high‑current LED drive pins, serial I/O and an 8‑bit timer/counter. It is offered in 20‑pin DIP and SOP packages and targets applications such as mouse controllers, subsystem controllers and toys.
The document provides detailed feature tables, pin descriptions, block diagrams, mechanical dimensions and electrical specifications, useful for designers and developers integrating the device into their products.
| Program memory (S3C7031) | 1024 × 8‑bit |
|---|---|
| Program memory (S3C7032) | 2048 × 8‑bit |
| Data memory (S3C7031) | 128 × 4‑bit |
| Data memory (S3C7032) | 256 × 4‑bit |
| Operating voltage range | 2.7 V to 6.0 V |
| Operating temperature | -40 °C to 85 °C |
| Package type | 20‑DIP, 20‑SOP |
| I/O pins available | Up to 15 pins |
| Frequency outputs | Eight outputs on CLO pin |
| Crystal/ceramic oscillator frequency | 4.19 MHz (typical) |
The device operates from 2.7 V up to 6.0 V.
Up to 15 of the 20 pins can be dedicated to I/O.
It is offered in 20‑pin DIP and 20‑pin SOP packages.
The typical crystal/ceramic oscillator frequency is 4.19 MHz.