S3C72F5 is a single-chip CMOS microcontroller designed for high performance using Samsung's newest 4-bit CPU core, SAM47. It offers LCD functions and is suitable for various applications. The product also has an OTP version, S3P72F5, with on-chip EPROM.
The S3C72F5/P72F5 is a single‑chip CMOS microcontroller featuring Samsung's 4‑bit CPU core, up to 896‑dot LCD direct‑drive, 8‑bit and 16‑bit timers, and serial I/O. It offers up to 39 I/O pins (35 general‑purpose and 4 input‑only) and includes an on‑chip 16 KB OTP EPROM version (S3P72F5).
The document lists detailed pin assignments, pin‑circuit diagrams, and electrical characteristics such as operating temperature, voltage range, and supply currents, helping designers integrate the device into LCD‑driven applications.
| RAM | 544 × 4‑bit |
|---|---|
| I/O Pins | 39 pins (35 I/O, 4 input‑only) |
| LCD Segments | 56 segments, 16 common terminals |
| Operating Temperature | -40 °C to 85 °C |
| Operating Voltage Range | 18 V to 55 V |
| Package Type | 100‑pin QFP |
| Main System Clock Frequency | 0.4 MHz to 6 MHz |
| Supply Voltage (Vpp) | 1.8 V to 5.5 V |
The device operates from –40 °C up to 85 °C.
It provides up to 39 I/O pins, with 35 general‑purpose pins and 4 input‑only pins.
The microcontroller is supplied in a 100‑pin QFP package.