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P89LPC9401FBD Datasheet(PDF) 5 Page - NXP Semiconductors |
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P89LPC9401FBD Datasheet(HTML) 5 Page - NXP Semiconductors |
5 / 59 page P89LPC9401_1 © Koninklijke Philips Electronics N.V. 2005. All rights reserved. Preliminary data sheet Rev. 01 — 5 September 2005 5 of 59 Philips Semiconductors P89LPC9401 8-bit two-clock 80C51 microcontroller with 32 segment × 4 LCD driver Fig 2. Microcontroller section block diagram ACCELERATED 2-CLOCK 80C51 CPU 8 kB CODE FLASH 256-BYTE DATA RAM PORT 2 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) 002aab461 UART ANALOG COMPARATORS I2C-BUS PORT 3 CONFIGURABLE I/Os P89LPC931 WATCHDOG TIMER AND OSCILLATOR TIMER 0 TIMER 1 REAL-TIME CLOCK/ SYSTEM TIMER SPI P3[1:0] P2.5, P2[3:0] P1[7:0] P0[7:0] X2 X1 TXD RXD SCL SDA T0 T1 CMP2 CIN2B CIN2A CMP1 CIN1A CIN1B SPICLK MOSI MISO |
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