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P89LPC985 Datasheet(PDF) 5 Page - NXP Semiconductors |
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P89LPC985 Datasheet(HTML) 5 Page - NXP Semiconductors |
5 / 85 page P89LPC980_982_983_985_2 © NXP B.V. 2010. All rights reserved. Preliminary data sheet Rev. 02 — 8 February 2010 5 of 85 NXP Semiconductors P89LPC980/982/983/985 8-bit microcontroller with accelerated two-clock 80C51 core (1) Only on the P89LPC985. Fig 2. P89LPC983/985 block diagram ACCELERATED 2-CLOCK 80C51 CPU 8 kB/4 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 POWER MANAGEMENT (POWER-ON RESET, BROWNOUT RESET, REGULATORS) 002aae533 UART ANALOG COMPARATORS 256-BYTE AUXILIARY RAM (P89LPC985) I2C-BUS PORT 3 CONFIGURABLE I/Os P89LPC983/985 WATCHDOG TIMER AND OSCILLATOR TIMER 0 TIMER 1 REAL-TIME CLOCK/ SYSTEM TIMER SPI P3[1:0] P2[7:0] P1[7:0] P0[7:0] TXD RXD SCL SDA T0 T1 CMP2 CIN2B CIN2A CMP1 CIN1A CIN1B AD00 AD01 AD02 AD03 AD04(1) AD05(1) AD06(1) AD07(1) 10-BIT ADC TIMER 2 TIMER 3 TIMER 4 T2 T2EX T3 T3EX T4 T4EX SPICLK MOSI MISO SS CRYSTAL OR RESONATOR XTAL2 XTAL1 |
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