S3C7295/P7295 is a single-chip CMOS microcontroller manufactured by Samsung. It uses the latest 4-bit CPU core SAM47, which provides high performance, high precision and low power consumption. S3C7295/P7295 can directly drive 704-dot LCD and has a flexible 8-bit timer/counter, making it an ideal choice for designing mid-range LCD games.
The S3C7295/P7295 is a single‑chip CMOS microcontroller featuring Samsung's 4‑bit SAM47 CPU core, up to 704‑dot LCD direct‑drive, flexible 8‑bit timer/counter, and low‑power operation. It is offered in a standard mask‑ROM version and an OTP version (S3P7295) with a 16 KB EPROM.
The document includes product overview, pin assignment tables, pin circuit diagrams, electrical data, OTP programming procedures, and detailed DC electrical characteristics, helping designers integrate the device into mid‑range LCD game and other applications.
| RAM | 256 x 4‑bit |
|---|---|
| ROM | 16,384 x 8‑bit |
| I/O pins | up to 8 pins |
| Operating temperature | 40°C to 85°C |
| Operating voltage range | 2.2 V to 3.4 V |
| Package type | 80‑pin QFP |
| Main system clock | 4.19 MHz (typical) |
| Subsystem clock | 32.768 kHz |
The device operates from 2.2 V to 3.4 V.
Up to eight pins can be dedicated to I/O.
The typical main system clock frequency is 4.19 MHz.