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P89LPC952FBD Datasheet(PDF) 4 Page - NXP Semiconductors |
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P89LPC952FBD Datasheet(HTML) 4 Page - NXP Semiconductors |
4 / 69 page P89LPC952_954_4 © NXP B.V. 2008. All rights reserved. Product data sheet Rev. 04 — 24 July 2008 4 of 69 NXP Semiconductors P89LPC952/954 8-bit microcontroller with 10-bit ADC 4. Block diagram (1) 44-pin package. (2) 48-pin package. Fig 1. Block diagram ACCELERATED 2-CLOCK 80C51 CPU 8 kB/16 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 WITH CLOCK DOUBLER internal bus CRYSTAL OR RESONATOR POWER MONITOR (POWER-ON RESET, BROWNOUT RESET) 002aab305 UART0 ANALOG COMPARATORS 256-BYTE AUXILIARY RAM I2C-BUS PORT 3 CONFIGURABLE I/Os DEBUGGER INTERFACE P89LPC952/954 WATCHDOG TIMER AND OSCILLATOR TIMER 0 TIMER 1 REAL-TIME CLOCK/ SYSTEM TIMER SPI ADC0 P3[1:0] P2[5:0](1) P2[7:0](2) PORT 4 CONFIGURABLE I/Os PORT 5 CONFIGURABLE I/Os P5[7:0] P4[7:0] P1[7:0] P0[7:0] XTAL2 XTAL1 TXD0 RXD0 UART1 TXD1 RXD1 SCL SDA T0 T1 CMP2 CIN2B TCLK TRIG TDI CIN2A CMP1 CIN1A CIN1B AD00 AD01 AD02 AD03 AD04 AD05 AD06 AD07 SPICLK MOSI MISO SS |
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