KS57C21632
Overview
- 768 × 4-bit RAM (excluding LCD display RAM) 32,768 × 8-bit ROM Interrupts * *
- 12 I/O Pins
- I/O: 12 pins Memory-Mapped I/O Structure
- LCD Controller/Driver * * *
- 56 segments and 16 common terminals (8, 12 and 16 common selectable) Capacitor bias for LCD output. Voltage booster and regulator All dots can be switched on/off Oscillation Sources 8-bit Basic Timer *
- 4 interval timer functions Watch-dog timer * * *
- One 16-bit Timer/Counter 1 * * *
- Programmable 16-bit timer Arbitrary clock output (TCLO1) Inverted clock output (TCLO1) Configurable two 8-bit timer/counters Instruction Execution Times *
- 0.95, 1.91, 15.3 µs at 4.19 MHz (main) 122 µs at 32.768 kHz (subsystem)
- Crystal, ceramic, or RC for main system clock Crystal oscillator for subsystem clock Main system clock frequency: 0.4-4.19 MHz Subsystem clock frequency: 32.768 kHz CPU clock divider circuit (by 4, 8, or 64) Power-Down Modes * *
