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P89LPC930 数据表(PDF) 4 Page - NXP Semiconductors |
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P89LPC930 数据表(HTML) 4 Page - NXP Semiconductors |
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4 / 55 page  Philips Semiconductors P89LPC930/931 8-bit microcontrollers with two-clock 80C51 core Product data Rev. 05 — 15 December 2004 4 of 55 9397 750 14472 © Koninklijke Philips Electronics N.V. 2004. All rights reserved. 4. Block diagram Fig 1. Block diagram. HIGH PERFORMANCE ACCELERATED 2-CLOCK 80C51 CPU 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) 002aaa428 UART I2C SPI REAL-TIME CLOCK/ SYSTEM TIMER TIMER 0 TIMER 1 WATCHDOG TIMER AND OSCILLATOR ANALOG COMPARATORS PORT 2 CONFIGURABLE I/Os |
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