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P89LPC971FDH Datasheet(PDF) 4 Page - NXP Semiconductors |
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P89LPC971FDH Datasheet(HTML) 4 Page - NXP Semiconductors |
4 / 66 page P89LPC97X_2 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2010. All rights reserved. Product data sheet Rev. 02 — 27 April 2010 4 of 66 NXP Semiconductors P89LPC970/971/972 8-bit microcontroller with accelerated two-clock 80C51 core 4. Block diagram (1) For pin remap Fig 1. Block diagram ACCELERATED 2-CLOCK 80C51 CPU 2 kB/4 kB/8 kB CODE FLASH 256-BYTE DATA RAM PORT 1 CONFIGURABLE I/Os PORT 0 CONFIGURABLE I/Os KEYPAD INTERRUPT PROGRAMMABLE OSCILLATOR DIVIDER CPU clock CONFIGURABLE OSCILLATOR ON-CHIP RC OSCILLATOR WITH CLOCK DOUBLER internal bus POWER MANAGEMENT (POWER-ON RESET, BROWNOUT RESET, REGULATORS) 002aae550 UART ANALOG COMPARATORS I2C-BUS PORT 3 CONFIGURABLE I/Os P89LPC970/971/972 WATCHDOG TIMER AND OSCILLATOR TIMER 0 TIMER 1 REAL-TIME CLOCK/ SYSTEM TIMER SPI P3[1:0] P1[7:0] P0[7:0] TXD RXD SCL SDA T0 T1 CMP2 CIN2B CIN2A CMP1 CIN1A CIN1B TIMER 2 TIMER 3 TIMER 4 T2 T2EX T3 T3EX T4 T4EX SPICLK(1) MOSI(1) MISO(1) SS(1) CRYSTAL OR RESONATOR XTAL2 XTAL1 |
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