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P89LPC920 Datasheet(PDF) 4 Page - NXP Semiconductors |
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P89LPC920 Datasheet(HTML) 4 Page - NXP Semiconductors |
4 / 45 page Philips Semiconductors P89LPC920/921/922 8-bit microcontrollers with two-clock 80C51 core Product data Rev. 06 — 21 November 2003 4 of 45 9397 750 12285 © Koninklijke Philips Electronics N.V. 2003. All rights reserved. 4. Block diagram Fig 1. Block diagram. HIGH PERFORMANCE ACCELERATED 2-CLOCK 80C51 CPU 2 kB/4 kB/8 kB CODE FLASH 256-BYTE DATA RAM PORT 3 CONFIGURABLE I/Os PORT 1 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) 002aaa410 UART REAL-TIME CLOCK/ SYSTEM TIMER I2C TIMER 0 TIMER 1 WATCHDOG TIMER AND OSCILLATOR ANALOG COMPARATORS P89LPC920/921/922 |
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