S3C72M5/C72M7/C72M9/P72M9 is a single-chip CMOS microcontroller from Samsung Electronics. It features the latest Samsung SAM47 (Samsung Arrangeable Microcontrollers) CPU core, high performance and high integration. This series of products has up to 1280 dot LCD direct drive capability, segment expansion circuit, 8-bit and 16-bit timer/counter, and serial I/O, which is suitable for various applications that require LCD functions.
The S3C72M5/C72M7/C72M9 family are single‑chip CMOS microcontrollers built around Samsung's SAM47 4‑bit CPU core. They provide up to 1,280‑dot LCD direct‑drive capability, a range of timers, serial I/O and configurable I/O pins for diverse applications.
The devices are offered in standard ROM versions and an OTP (One‑Time‑Programmable) version (S3P72M9). They operate from 1.8 V to 5.5 V, support temperatures from –40 °C to 85 °C, and are supplied in a 128‑pin QFP package.
| RAM size | 3,584 × 4‑bit |
|---|---|
| ROM size | 16,384 / 24,576 / 32,768 × 8‑bit |
| I/O pins | 51 (13 ports, 4 input, 47 configurable) |
| Operating voltage | 1.8 V to 5.5 V |
| Operating temperature | -40 °C to 85 °C |
| Package | 128‑pin QFP |
| Main system clock | 0.4 MHz to 6 MHz |
| Subsystem clock | 32.768 kHz |
The device provides 51 I/O pins, consisting of 13 ports with 4 input pins and 47 configurable pins.
The microcontroller operates from 1.8 V up to 5.5 V.
They are supplied in a 128‑pin QFP package.