FEATURES
Memory — 288 × 4-bit RAM — 2048 × 8-bit ROM (KS57C2302) — 4096 × 8-bit ROM (KS57C2304) I/O Pins — Input only: 4 pins — I/O: 12 pins — Output: 8 pins sharing with segment driver outputs LCD Controller/Driver — Maximum 16-digit LCD direct drive capability — 32 segment, 4 common pins — Display modes: Static, 1/2 duty (1/2 bias) 1/3 duty (1/2 or 1/3 bias), 1/4 duty (1/3 bias) 8-Bit Basic Timer — Programmable interval timer — Watchdog timer 8-Bit Timer/Counter — Programmable 8-bit timer — External event counter — Arbitrary clock frequency output Watch Timer — Real-time and interval time measurement — Four frequency outputs to BUZ pin — Clock source generation for LCD Bit Sequential Carrier — Support 16-bit serial data transfer in arbitrary format Package Type — 64-pin QFP Oscillation Sources — Crystal, ceramic, or RC for main system clock — Crystal or external oscillator for subsystem clock — Main system clock frequency: 4.19 MHz (typical) — Subsystem clock frequency: 32.768 kHz —...
Samsung Electronics
