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S3C7414 Datasheet(PDF) 2 Page - Samsung semiconductor |
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S3C7414 Datasheet(HTML) 2 Page - Samsung semiconductor |
2 / 50 page ![]() PRODUCT OVERVIEW S3C7414/P7414/C7424/P7424/C7434/P7434 1-2 FEATURES SUMMARY Memory • 256 × 4-bit RAM • 4,096 × 8-bit ROM 35 I/O Pins • I/O: 31 pins including 8 LED direct drive pins (S3C7414/C7434) 18 pins including 8 LED direct drive pins (S3C7424) • Input only: 4 pins A/D Converter • 6-channel with 8-bit resolution • 22.89 µs conversion speed at 4.19 MHz Basic Timer • One 8-bit basic timer • Watchdog timer functions • Four interval clock selection Timer/Counters • Two 8-bit timer/counter (TC0, TC1) • Programmable 8-bit timer • External event counter • Arbitrary clock frequency output • PWM output mode (TC1) Watch Timer • One watch timer 8-bit • Time interval generation: 0.5 s, 3.9 ms at 4.19 MHz • Four frequency outputs to BUZ pin 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 Built-in reset circuit (S3C7434 only) • Built-in power-on reset circuit Interrupts • Five internal vectored interrupts (INTB, INTT0, INTT1, INTS, INTAD) • Three external vectored interrupts (INT0, INT1, INT4) • Two quasi-interrupts (INT2, INTW) Bit Sequential Carrier • Supports 16-bit serial data transfer in arbitrary format Memory-Mapped I/O Structure • Data memory bank 15 Two Power-Down Modes • Idle mode (only CPU clock stops) • Stop mode (system oscillation stops) Oscillation Sources • Crystal, Ceramic, or RC for system clock • Crystal, Ceramic: 0.4–6.0 MHz • RC: 4 MHz (typ) • CPU clock divider circuit (by 4, 8, or 64) Instruction Execution Times • 0.95, 1.91, 15.3 µs at 4.19 MHz • 0.67, 1.33, 10.7 µs at 6.0 MHz Operating Temperature • – 40 °C to 85 °C Operating Voltage Range • 1.8 V to 5.5 V (S3C7414/C7424) • 2.5 V to 5.5 V (S3C7434) Package Type • 42-pin SDIP, 44-pin QFP (S3C7414/C7434) 30-pin SDIP, 28-pin SOP (S3C7424) |