S3C70F2/C70F4/P70F4 is a single-chip CMOS microcontroller designed with Samsung's newest 4-bit CPU core, SAM47. It features a four-channel comparator, eight LED direct drive pins, serial I/O interface, and its versatile 8-bit timer/counter, making it an excellent design solution for a wide variety of general-purpose applications.
The S3C70F2/C70F4/P70F4 series are single‑chip CMOS microcontrollers featuring Samsung's SAM47 4‑bit CPU core, up to 4 KB of ROM, and a range of peripherals such as comparators, timers, and serial I/O. They are offered in 30‑pin SDIP and 32‑pin SOP packages and target general‑purpose applications requiring low power consumption.
Key features include up to 24 configurable I/O pins, a four‑channel comparator, eight LED drive pins, multiple interrupt vectors, and flexible clock sources. The document provides detailed block diagrams, memory organization, register descriptions, and programming guidelines.
| Program Memory (ROM) | 2048 × 8 bit (S3C70F2) / 4096 × 8 bit (S3C70F4) |
|---|---|
| Data Memory (RAM) | 512 × 4‑bit |
| Operating Voltage Range | 1.8 V to 5.5 V |
| Operating Temperature | -40 °C to 85 °C |
| Package Types | 30‑pin SDIP, 32‑pin SOP |
| Clock Source Frequency | 0.4 MHz – 6.0 MHz |
The devices operate from 1.8 V up to 5.5 V.
The crystal or ceramic clock source can range from 0.4 MHz to 6.0 MHz.