P89LPC9161 datasheet(5/91 Pages) NXP

Part #	P89LPC9161

Description	8-bit microcontroller with accelerated two-clock 80C51 core, 2 kB 3 V byte-erasable flash with 8-bit ADC

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Manufacturer	NXP [NXP Semiconductors]

Direct Link	http://www.nxp.com

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5 / 91 page

P89LPC9151_61_71_2

Product data sheet

Rev. 02 — 9 February 2010

5 of 91

NXP Semiconductors

P89LPC9151/9161/9171

8-bit microcontroller with 8-bit ADC

Fig 2.

Block diagram (P89LPC9161)

2 kB CODE FLASH

I2C

CIN2B

CIN2A

CIN1A

CIN1B

CMPREF

P2[5:2]

P1.5, P1[3:0]

P0[5:1]

TXD

RXD

SCL

AD10

AD11

AD12

AD13

T0

SPI

MOSI

MISO

SPICLK

P89LPC9161

002aae565

SS

256 BYTE DATA RAM

PORT 2

CONFIGURABLE I/O

PORT 1

CONFIGURABLE I/O

PORT 0

CONFIGURABLE I/O

KEYPAD INTERRUPT

WATCHDOG TIMER

AND OSCILLATOR

PROGRAMMABLE

OSCILLATOR DIVIDER

ON-CHIP RC

OSCILLATOR

external clock

input

CPU clock

internal bus

HIGH PERFORMANCE

ACCELERATED 2-CLOCK 80C51 CPU

UART

ADC1/DAC1

REAL TIME CLOCK/

SYSTEM TIMER

TIMER 0

TIMER 1

ANALOG

COMPARATORS

POWER MONITOR

(POWER-ON RESET,

BROWNOUT RESET)

SDA

DAC1

ON-CHIP RC OSCILLATOR

WITH CLOCK DOUBLER

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