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P89LPC901FD 数据表(PDF) 4 Page - NXP Semiconductors |
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P89LPC901FD 数据表(HTML) 4 Page - NXP Semiconductors |
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4 / 55 page ![]() Philips Semiconductors P89LPC901/902/903 8-bit microcontrollers with two-clock 80C51 core Product data Rev. 04 — 21 November 2003 4 of 55 9397 750 12293 © Koninklijke Philips Electronics N.V. 2003. All rights reserved. 4. Block diagram Fig 1. P89LPC901 block diagram. HIGH PERFORMANCE ACCELERATED 2-CLOCK 80C51 CPU 1 kB CODE FLASH 128-BYTE DATA RAM PORT 3 CONFIGURABLE I/Os PORT 0 CONFIGURABLE I/Os KEYPAD INTERRUPT PROGRAMMABLE OSCILLATOR DIVIDER CPU CLOCK CONFIGURABLE OSCILLATOR ON-CHIP RC OSCILLATOR INTERNAL BUS CRYSTAL OR RESONATOR POWER MONITOR (POWER-ON RESET, BROWNOUT RESET) 002aaa444 REAL-TIME CLOCK/ SYSTEM TIMER TIMER 0 TIMER 1 ANALOG COMPARATOR PORT 1 CONFIGURABLE I/Os WATCHDOG TIMER AND OSCILLATOR P89LPC901 |
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