P89LPC932A1 datasheet(4/64 Pages) NXP

Part #	P89LPC932A1

Description	8-bit microcontroller with accelerated two-clock 80C51 core 8 kB 3 V byte-erasable flash with 512-byte data EEPROM

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Manufacturer	NXP [NXP Semiconductors]

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P89LPC932A1_3

Product data sheet

Rev. 03 — 12 March 2007

4 of 64

NXP Semiconductors

P89LPC932A1

8-bit microcontroller with accelerated two-clock 80C51 core

4.

Block diagram

Fig 1.

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)

002aaa885

UART

ANALOG

COMPARATORS

512-BYTE

AUXILIARY RAM

I2C-BUS

512-BYTE

DATA EEPROM

PORT 3

CONFIGURABLE I/Os

CCU (CAPTURE/

COMPARE UNIT)

P89LPC932A1

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]

XTAL1

XTAL2

TXD

RXD

SCL

SDA

SPICLK

MISO

MOSI

SS

T0

T1

CMP2

CIN2A

CIN2B

CMP1

CIN1A

CIN1B

OCA

OCB

OCC

OCD

ICA

ICB

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Manufacturer	Part #	Datasheet	Description
NXP Semiconductors	P89LPC9321	342Kb / 70P	8-bit microcontroller with accelerated two-clock 80C51 core 8 kB 3 V byte-erasable flash with 512-byte data EEPROM Rev. 01-9 December 2008
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