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S3P8249 Datasheet(PDF) 2 Page - Samsung semiconductor |
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S3P8249 Datasheet(HTML) 2 Page - Samsung semiconductor |
2 / 33 page PRODUCT OVERVIEW S3C8248/C8245/P8245/C8247/C8249/P8249 1-2 FEATURES Memory • ROM: 32K-byte (S3C8249/P8249) • ROM: 16K-byte (S3C8245/P8245) • RAM: 1056-Byte (S3C8249/P8249, S3C8247) • RAM: 544-Byte (S3C8245/P8245, S3C8248) • Data memory mapped I/O Oscillation Sources • Crystal, ceramic, RC (main) • Crystal for subsystem clock • Main system clock frequency 1-10 MHz (3 MHz at 1.8 V, 10 MHz at 2.7 V) • Subsystem clock frequency: 32.768 kHz • CPU clock divider (1/1, 1/2, 1/8, 1/16) Two Power-Down Modes • Idle (only CPU clock stops) • Stop (System clock stops) Interrupts • 6 level 8 vector 8 internal interrupt • 2 level 8 vector 8 external interrupt 45 I/O Pins • 45 configurable I/O pins Basic Timer • Overflow signal makes a system reset. • Watchdog function 8-Bit Timer/Counter A • Programmable 8-bit timer • Interval, capture, PWM mode • Match/capture, overflow interrupt 8-Bit Timer/Counter B • Programmable 8-bit timer • Carrier frequency generator 16-Bit Timer/Counter 0 • Programmable 16-bit timer • Match interrupt generates 16-Bit Timer/Counter 1 • Programmable 16-bit timer • Interval, capture, PWM mode • Match/capture, overflow interrupt Watch Timer • Real-time and interval time measurement • Clock generation for LCD • Four frequency outputs for buzzer sound LCD Controller/Driver • Maximum 16-digit LCD direct drive capability • Display modes: static, 1/2 duty (1/2 bias) • 1/3 duty (1/2 or 1/3 bias), 1/4 duty (1/3 bias) A/D Converter • Eight analog input channels • 50 µs conversion speed at 1 MHz f ADC clock • 10-bit conversion resolution 8-Bit Serial I/O Interface • 8-bit transmit/receive mode • 8-bit receive mode • LSB-first/MSB-first transmission selectable • Internal/external clock source Voltage Booster • LCD display voltage supply • S/W control en/disable • 3.0 V drive Voltage Detector • Programmable detection voltage (2.2 V, 2.4 V, 3.0 V, 4.0 V) • En/Disable S/W selectable Instruction Execution Times • 400 ns at 10 MHz (main) • 122 us at 32.768 kHz (subsystem) Operating Temperature Range • -40 °C to 85 °C Operating Voltage Range • 1.8 V to 5.5 V Package Type • 80-pin QFP • 80-pin TQFP S3C8249’s ROM version device • S3C8247 (ROM 24K-byte) S3C8245’s ROM version device • S3C8248 (ROM 8K-byte) |
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