S1C63657
Description
The S1C63657 is a microputer which has a high-performance 4-bit CPU S1C63000 as the core CPU, ROM (8,192 words × 13 bits), RAM (1,024 words × 4 bits), multiply-divide circuit, watchdog timer, programmable timer, time base counter, an LCD driver that can drive a maximum 56 segments × 8 mons, sound generator and R/f converter built-in.
Key Features
- Core CPU.................................................... 4-bit CMOS core CPU S1C63000
- OSC1 oscillation circuit ............................ 32.768 kHz (Typ.) crystal oscillation circuit
- Instruction set ........................................... Basic instruction: 46 types (411 instructions with all) Addressing mode: 8 types
- ROM capacity ............................................ Code ROM: 8,192 words × 13 bits Data ROM: 2,048 words × 4 bits
- RAM capacity ............................................ Data memory: 1,024 words × 4 bits Display memory: 160 words × 4 bits
- Input port.................................................... 8 bits (Pull-down resistors may be supplemented ∗1)
- Output port................................................. 8 bits (It is possible to switch the 2 bits to special output ∗2)
- I/O port ....................................................... 8 bits
- LCD driver .................................................. 56 segments × 4, 5 or 8 mons (∗2)
- Time base counter .................................... Clock timer
