DESCRIPTIONS
   The S1C63709 is a microcomputer which consists of a high-performance 4-bit CPU S1C63000 as the core CPU, ROM (12,288 words × 13 bits), RAM (2,048 words × 4 bits), serial interface, 2-channel motor driver, solar charging circuit, an LCD driver that can drive a maximum 64 segments × 8 commons, sound generator and time base counters. The S1C63709 features low current consumption, this makes it suitable for solar-powered radio-controlled watches.

● High Performance 4-bit Core CPU S1C63000
● LCD Driver (64 SEG × 8 COM)
● Motor Driver
● Solar Charge-Control Circuit
● Low Current Consumption (0.15 μA/HALT)
● Low Voltage Operation