P89LPC934 PHILIPS [NXP Semiconductors], P89LPC934 Datasheet - Page 42

• Manufacturer Part Number: P89LPC934
• Description: 8-bit microcontroller with accelerated two-clock 80C51 core 4 kB/8 kB 3 V byte-erasable Flash with 8-bit A/D converters
• Manufacturer: PHILIPS [NXP Semiconductors]

Philips Semiconductors
9397 750 15113
Product data sheet
Fig 16. I
P1.3/SDA
P1.2/SCL
2
C-bus serial interface block diagram
OUTPUT
OUTPUT
FILTER
FILTER
STAGE
STAGE
INPUT
INPUT
P1.3
P1.2
Rev. 06 — 20 June 2005
8-bit microcontroller with accelerated two-clock 80C51 core
status bus
I2SCLH
I2SCLL
overflow
I2CON
I2STAT
timer 1
P89LPC933/934/935/936
ARBITRATION &
BIT COUNTER /
SERIAL CLOCK
SYNC LOGIC
GENERATOR
SCL DUTY CYCLE REGISTERS
ADDRESS REGISTER
SHIFT REGISTER
CONTROL REGISTERS &
DECODER
COMPARATOR
STATUS
STATUS REGISTER
8
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
CONTROL
TIMING
LOGIC
AND
I2DAT
8
8
8
ACK
I2ADR
interrupt
CCLK
002aaa899
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