S3C72C8/P72C8 is a single-chip CMOS microcontroller from Samsung that uses the latest 4-bit CPU core SAM47. With its high performance, high integration and low power consumption, it is suitable for low-end CDPs and card readers.
The S3C72C8 (and its OTP version P72C8) is a single‑chip CMOS microcontroller built around Samsung's newest 4‑bit CPU core, SAM47. It offers LCD direct‑drive capability, flexible 16‑bit timer/counter, 4‑channel comparator, and up to 28 I/O pins in a 44‑pin QFP or 26 I/O pins in a 42‑pin SDIP package.
Key specifications include 512 × 4‑bit RAM, 8 192 × 8‑bit ROM, multiple timers, serial I/O, and a wide operating voltage range of 5.5 V to 18 V. The device operates from –40 °C to 85 °C and is supplied in 44‑pin QFP and 42‑pin SDIP packages.
| 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) |
| LCD Segments | 12 segments, 8 common terminals |
| CPU Clock Frequency | 0.4 MHz – 6 MHz |
| Operating Temperature | -40 °C to 85 °C |
| Supply Voltage | 5.5 V – 18 V |
| Package Types | 44‑pin QFP, 42‑pin SDIP |
It uses Samsung's newest 4‑bit CPU core, called SAM47.
Up to 28 pins on the 44‑pin QFP package and up to 26 pins on the 42‑pin SDIP package can be dedicated to I/O.
The device operates from –40 °C to 85 °C.
The microcontroller includes 512 × 4‑bit RAM and 8 192 × 8‑bit ROM.