S3C70F2/C70F4/P70F4 is Samsung's latest 4-bit MCU, which has four-channel comparator, eight LED direct drive pins, serial I/O interface, and its versatile 8-bit timer/counter. It is suitable for a variety of general-purpose applications.
The S3C70F2/C70F4/P70F4 series are 4‑bit CMOS microcontrollers built around Samsung's SAM47 CPU core. They target general‑purpose applications with low power consumption, a wide voltage range, and a variety of on‑chip peripherals.
Key specifications include up to 4 KB of ROM, 512 × 4‑bit RAM, 24 I/O pins (including 8 high‑current pins), a 4‑channel comparator, multiple timers, and flexible power‑down modes. The devices are offered in 30‑pin SDIP and 32‑pin SOP packages and support crystal or ceramic clock sources from 0.4 MHz to 6 MHz.
| Program Memory (ROM) size | 4096 × 8‑bit (S3C70F4) |
|---|---|
| Data Memory (RAM) size | 512 × 4‑bit |
| I/O pins | 24 pins (18 pins, including 8 high‑current) |
| Comparator channels | 4‑channel comparator |
| Operating voltage range | 1.8 V to 5.5 V |
| Operating temperature range | -40 °C to 85 °C |
| Package type | 30‑pin SDIP, 32‑pin SOP |
| Clock source range | 0.4 MHz – 6.0 MHz |
They use Samsung's SAM47 4‑bit CPU core.
The device offers up to 24 I/O pins, with 18 pins including 8 high‑current pins.
Two modes are supported: idle mode, where the CPU clock stops, and stop mode, where the system clock stops completely.
The microcontroller operates from –40 °C up to 85 °C.