P89LPC932A1 View Datasheet(PDF) - NXP Semiconductors.

Part Name

Description

Manufacturer

P89LPC932A1

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

NXP Semiconductors. 

NXP Semiconductors

P89LPC932A1

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

P1.3/SDA

P1.2/SCL

8

P1.3

INPUT

FILTER

OUTPUT

STAGE

INPUT

FILTER

OUTPUT

STAGE

P1.2

ADDRESS REGISTER

I2ADR

COMPARATOR

SHIFT REGISTER

8

ACK

I2DAT

BIT COUNTER /

ARBITRATION

AND SYNC LOGIC

SERIAL CLOCK

GENERATOR

TIMING

AND

CONTROL

LOGIC

timer 1

overflow

I2CON

I2SCLH

I2SCLL

CONTROL REGISTERS AND

SCL DUTY CYCLE REGISTERS

8

CCLK

interrupt

status bus

STATUS

DECODER

I2STAT

STATUS REGISTER

8

Fig 15. I2C-bus serial interface block diagram

002aaa899

P89LPC932A1_3

Product data sheet

Rev. 03 — 12 March 2007

© NXP B.V. 2007. All rights reserved.

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