s3c72h8/p72h8 is samsung's single-chip cmos microcontroller, using sam47 (samsung arrangeable microcontrollers) development approach, has high performance, up to 13-digit lcd direct drive capability, 2-channel comparator input and output and versatile 8-counter/timers and 16-bit frequency counter
The S3C72H8/P72H8 is a single‑chip 4‑bit CMOS microcontroller designed for high‑performance LCD‑related applications such as thermostat control. It features an up‑to‑13‑digit LCD direct‑drive capability, 2‑channel analog comparators, versatile timers, and a 16‑bit frequency counter.
The document includes a detailed block diagram, pin‑assignment tables, memory specifications, interrupt sources, and OTP programming procedures, giving designers all the information needed to integrate the device into their circuits.
| CPU core | SAM47 4-bit |
|---|---|
| Data memory | 512 × 4 bits |
| Program memory | 8196 × 8 bits |
| Package type | 64‑pin QFP |
| Operating voltage range | 1.8 V to 5.5 V at 3 MHz |
| Main system clock | 4.19 MHz (typical) |
| LCD direct‑drive capability | Maximum 13‑digit |
| Standard I/O pins | 21 pins |
| Internal vectored interrupts | Three |
The device operates from 1.8 V to 5.5 V at 3 MHz (and 2.0 V to 5.5 V at 4.19 MHz).
Up to 21 pins of the 64‑pin QFP package can be dedicated to standard I/O.
It is supplied in a 64‑pin QFP package.
It uses Samsung’s SAM47 4‑bit CPU core.