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S3C80B5 Datasheet(PDF) 2 Page - Samsung semiconductor |
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S3C80B5 Datasheet(HTML) 2 Page - Samsung semiconductor |
2 / 16 page PRODUCT OVERVIEW S3C80A4/C80A8/C80A5/C80B4/C80B8/C80B5 1-2 FEATURES CPU • SAM87RC CPU core Memory • Program memory (ROM) – S3C80A4/C80B4: 4-Kbyte (0000H–0FFFH) – S3C80A8/C80B8: 8-Kbyte (0000H–1FFFH) – S3C80A5/C80B5: 15,872 byte (0000H–3E00H) • Data memory: 256-byte RAM Instruction Set • 78 instructions • IDLE and STOP instructions added for power- down modes Instruction Execution Time • 500 ns at 8-MHz f OSC (minimum) Interrupts • 13 interrupt sources with 10 vector. • 5 level, 10 vector interrupt structure I/O Ports • Two 8-bit I/O ports (P0-P1) and one 3-bit port (P2) for a total of 19 bit-programmable pins • Eight input pins for external interrupts Carrier Frequency Generator • One 8-bit counter with auto-reload function and one-shot or repeat control (Counter A) Back-up mode • When V DD is lower than VLVD, the chip enters Back-up mode to block oscillation and reduce the current consumption. Timers and Timer/Counters • One programmable 8-bit basic timer (BT) for oscillation stabilization control or watchdog timer function • One 8-bit timer/counter (Timer 0) with two operating modes; Interval mode and PWM mode. • One 16-bit timer/counter with one operating modes; Interval mode Low Voltage Detect Circuit • Low voltage detect for reset or Back-up mode. • Low level detect voltage – S3C80A4/C80A8/C80A5: 2.20 V (Typ) ± 200 mV – S3C80B4/C80B8/C80B5: 1.90 V (Typ) ± 200 mV Auto Reset Function • Reset occurs when stop mode is released by P0. • When a falling edge is detected at Port 0 during Stop mode, system reset occurs. Operating Temperature Range • –40°C to + 85°C Operating Voltage Range • 1.7 V to 3.6 V at 4 MHz f OSC • 2.0 V to 3.6 V at 8 MHz f OSC Package Type • 24-pin SOP/SDIP |
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