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S3C72P9 Datasheet(PDF) 2 Page - Samsung semiconductor |
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S3C72P9 Datasheet(HTML) 2 Page - Samsung semiconductor |
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2 / 225 page  PRODUCT OVERVIEW S3C72P9/P72P9 (Preliminary Spec) 1–2 FEATURES Memory • 1,056 × 4-bit RAM (excluding LCD display RAM) • 32,768 × 8-bit ROM 39 I/O Pins • I/O: 35 pins • Input only: 4 pins LCD Controller/Driver • 56 segments and 16 common terminals • 8, 12 and 16 common selectable • Internal resistor circuit for LCD bias • All dot can be switched on/off • LCD contrast control by software 8-bit Basic Timer • 4 interval timer functions • Watch-dog timer 8-bit Timer/Counter • Programmable 8-bit timer • External event counter • Arbitrary clock frequency output • External clock signal divider • Serial I/O interface clock generator 16-Bit Timer/Counter • Programmable 16-bit timer • External event counter • Arbitrary clock frequency output • External clock signal divider 8-bit Serial I/O Interface • 8-bit transmit/receive mode • 8-bit receive mode • LSB-first or MSB-first transmission selectable • Internal or external clock source Memory-Mapped I/O Structure • Data memory bank 15 Watch Timer • Time interval generation: 0.5 s, 3.9 ms at 32768 Hz • 4 frequency outputs to BUZ pin • Clock source generation for LCD Interrupts • Four internal vectored interrupts • Four external vectored interrupts • Two quasi-interrupts Bit Sequential Carrier • Supports 16-bit serial data transfer in arbitrary format Power-Down Modes • Idle mode (only CPU clock stops) • Stop mode (main system oscillation stops) • Subsystem clock stop mode Oscillation Sources • Crystal, ceramic, or RC for main system clock • Crystal oscillator for subsystem clock • Main system clock frequency: 0.4 – 6 MHz • Subsystem clock frequency: 32.768 kHz • CPU clock divider circuit (by 4, 8, or 64) Instruction Execution Times • 0.67, 1.33, 10.7 µs at 6 MHz • 0.95, 1.91, 15.3 µs at 4.19 MHz • 122 µs at 32.768 kHz Operating Temperature • – 40 °C to 85 °C Operating Voltage Range • 1.8 V to 5.5 V Package Type • 100-pin QFP |
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