The S3C72C8 is a high-performance single-chip CMOS microcontroller with up to 96-dot LCD direct drive capability, flexible 16-bit timer/counter, and 4-channel comparator. It offers an excellent design solution for low power consumption and card reader applications.
The S3C72C8/P72C8 is a single‑chip CMOS microcontroller featuring Samsung's newest 4‑bit CPU core (SAM47). It offers up to 96‑dot LCD direct‑drive capability, flexible 16‑bit timer/counter, a 4‑channel comparator, and eight vectored interrupts for fast response. The device is available in a standard version and an OTP (One‑Time‑Programmable) version (S3P72C8) with an on‑chip 8 KB EPROM.
Key specifications include 512 × 4‑bit RAM, 8 192 × 8‑bit ROM, up to 28 I/O pins on a 44‑pin QFP (or 26 pins on a 42‑pin SDIP), multiple timers, LCD driver with 12 segments and 8 common terminals, and operating temperature from –40 °C to 85 °C. The microcontroller operates from 1.8 V to 5.5 V and is supplied in 44‑pin QFP and 42‑pin SDIP packages.
| CPU core | 4‑bit SAM47 |
|---|---|
| RAM | 512 × 4‑bit |
| ROM | 8 192 × 8‑bit |
| I/O pins | Up to 28 pins (44‑pin QFP) or 26 pins (42‑pin SDIP) |
| Operating temperature | -40 °C to 85 °C |
| Supply voltage | 1.8 V to 5.5 V |
| LCD driver | 12 segments, 8 common terminals (3, 4, or 8 selectable) |
The device operates from –40 °C to 85 °C.
It works with a supply voltage ranging from 1.8 V to 5.5 V.
It supports 12 segments with 8 common terminals, selectable as 3, 4, or 8 common.