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S3C8835 Datasheet(数据表) 2 Page - Samsung semiconductor |
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S3C8835 Datasheet(HTML) 2 Page - Samsung semiconductor |
2 page ![]() PRODUCT OVERVIEW S3C8835/C8837/P8837 1-2 FEATURES CPU • SAM87 CPU core Memory • 16-K byte (S3C8835) or 24K- byte (S3C8837) internal program memory • 272-byte general-purpose register area Instruction Set • 78 instructions • IDLE and STOP instructions added for power- down modes Instruction Execution Time • 750 ns (minimum) with an 8-MHz CPU clock Interrupts • 7 interrupt sources with 6 vectors • 6 interrupt levels • Fast interrupt processing for select levels General I/O • Four I/O ports (26 pins total) • Six open-drain pins for up to 6-volt loads • Two open-drain pins for up to 5-volt loads 8-Bit Basic Timer • Three selectable internal clock frequencies • Watchdog or oscillation stabilization function Timer/Counters • One 8-bit timer/counter (T0) with three internal clocks and interval timer mode. • One general-purpose 8-bit timer/counters with interval timer mode (timer A) A/D Converter • Two analog input pins; 4-bit resolution • 3.125 µs conversion time (8-MHz CPU clock) Pulse Width Modulation Module • 14-bit PWM with one-channel output (push-pull type) • PWM counter and data capture input pin • Frequency: 5.859 kHz to 23.437 kHz with a 6-MHz CPU clock On-Screen Display (OSD) • Video RAM: 252 × 12 bits • Character generator ROM: 256 × 18 × 16 bits (256 display characters: fixed: 2, variable: 254) • 252 display positions (12 rows × 21 columns) • 16-dot × 18-dot character resolution • 16 different character sizes • Eight character colors • Vertical direction fade-in/fade-out control • Eight colors for character and frame background • Halftone control signal output; selectable for individual characters • Synchronous polarity selector for H-sync and V-sync input Oscillator Frequency • 5-MHz to 8-MHz external crystal oscillator • Maximum 8-MHz CPU clock Operating Temperature Range • – 20°C to + 85°C Operating Voltage Range • 4.5 V to 5.5 V Package Type • 42-pin SDIP |