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S3P7538 Datasheet(PDF) 2 Page - Samsung semiconductor |
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S3P7538 Datasheet(HTML) 2 Page - Samsung semiconductor |
2 / 34 page PRODUCT OVERVIEW S3C7524/C7528/P7528/C7534/C7538/P7538 1-2 FEATURES SUMMARY Memory • 768 × 4-bit RAM • 4,096 × 8-bit ROM (S3C7524/C7534) 8,192 × 8-bit ROM (S3C7528/C7538) 35 I/O Pins • Input only: 4 pins (S3C7524/C7528) 1 pins (S3C7534/C7538) • I/O: 23 pins (S3C7524/C7528) 14 pins (S3C7534/C7538) • N-channel open-drain I/O: 8 pins Memory-Mapped I/O Structure • Data memory bank 15 DTMF Generator • 16 dual-tone frequencies for tone dialing 8-Bit Basic Timer • Programmable interval timer • Watchdog timer Two 8-Bit Timer/Counters • Programmable 8-bit timer • External event counter function • Arbitrary clock frequency output Watch Timer • Real-time and interval time measurement • Four frequency outputs to the BUZ pin Bit Sequential Carrier • Supports 8-bit serial data transfer in arbitrary format Interrupts • 3 external interrupt vectors (S3C7524/C7528) 1 external interrupt vectors (S3C7534/C7538) • 3 internal interrupt vectors • 2 quasi-interrupts Power-Down Modes • Idle: Only CPU clock stops • Stop: System clock stops Oscillation Sources • Crystal, or ceramic for main system clock • Main system clock frequency: 0.4–6.0 MHz (typical) • CPU clock divider circuit (by 4, 8, or 64) Instruction Execution Times • 0.95, 1.91, and 15.3 µs at 4.19 MHz • 1.12, 2.23, 17.88 µs at 3.58 MHz • 0.67, 1.33, 10.7 µs at 6.0 MHz Operating Temperature • – 40 °C to 85 °C Operating Voltage Range • 2.0 V to 5.5 V Package Types • 42 SDIP, 44 QFP (S3C7524/C7528) • 30 SDIP, 32 SOP (S3C7534/C7538) |
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Similar Description - S3P7538 |
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