DESCRIPTIONS
   The S1C17705/703 is a 16-bit MCU featuring high-speed low-power operations, compact dimensions, wide address space, and on-chip ICE. Based on an S1C17 CPU core, this product consists of Flash memory, RAM, serial interface modules supporting sensors such as UART to support high-bit rate and IrDA1.0, SPI, and I2C, various timers, maximum 35 general input/output ports, maximum 128 segment × 32 common LCD driver and a power supply voltage booster circuit, A/D converter, R/F converter, supply voltage detector, and 32 kHz and maximum 8.2 MHz oscillator circuits.

● Low power MCU : lower operating voltage 1.8V, 1.2µA/SLEEP, 2.7µA/HALT
● Large capacity flash memory: 512K bytes*
● LCD driver: 128 SEG x 32 COM (max.)*, pseudo 64 SEG x 64 COM* display
   support by 64 COM emulation mode
● Analog I/F: A/D converter, R/F converter(for temperature and humidity
   instruments), Supply Voltage Detector
● RISC CPU core S1C17: the compact code optimized for C-language, and high
   throughput of an instruction/clock, supports serial ICE