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Download P89LPC932A1 8-bit microcontroller with accelerated two
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P89LPC932A1 NXP Semiconductors 8-bit microcontroller with accelerated two-clock 80C51 core 4. Block diagram P89LPC932A1 ACCELERATED 2-CLOCK 80C51 CPU 8 kB CODE FLASH UART TXD RXD I2C-BUS SCL SDA internal bus 256-BYTE DATA RAM SPICLK MISO MOSI SS 512-BYTE AUXILIARY RAM SPI 512-BYTE DATA EEPROM REAL-TIME CLOCK/ SYSTEM TIMER P3[1:0] PORT 3 CONFIGURABLE I/Os TIMER 0 TIMER 1 P2[7:0] PORT 2 CONFIGURABLE I/Os P1[7:0] PORT 1 CONFIGURABLE I/Os P0[7:0] PORT 0 CONFIGURABLE I/Os T0 T1 ANALOG COMPARATORS CCU (CAPTURE/ COMPARE UNIT) CMP2 CIN2A CIN2B CMP1 CIN1A CIN1B OCA OCB OCC OCD ICA ICB KEYPAD INTERRUPT POWER MONITOR (POWER-ON RESET, BROWNOUT RESET) WATCHDOG TIMER AND OSCILLATOR PROGRAMMABLE OSCILLATOR DIVIDER CRYSTAL OR RESONATOR XTAL1 CONFIGURABLE OSCILLATOR XTAL2 CPU clock ON-CHIP RC OSCILLATOR 002aaa885 Fig 1. Block diagram P89LPC932A1_3 Product data sheet © NXP B.V. 2007. All rights reserved. Rev. 03 — 12 March 2007 4 of 64
