P89LPC932A1 NXP Semiconductors, P89LPC932A1 Datasheet - Page 34

• Manufacturer Part Number: P89LPC932A1
• Description: The P89LPC932A1 is a single-chip microcontroller, available in low cost packages, basedon a high performance processor architecture that executes instructions in two to fourclocks, six times the rate of standard 80C51 devices
• Manufacturer: NXP Semiconductors

NXP Semiconductors
P89LPC932A1_3
Product data sheet
Fig 15. I
P1.3/SDA
P1.2/SCL
2
C-bus serial interface block diagram
OUTPUT
OUTPUT
FILTER
FILTER
STAGE
STAGE
INPUT
INPUT
Rev. 03 — 12 March 2007
P1.3
P1.2
8-bit microcontroller with accelerated two-clock 80C51 core
status bus
I2SCLH
overflow
I2SCLL
I2CON
I2STAT
timer 1
AND SYNC LOGIC
SERIAL CLOCK
BIT COUNTER /
ARBITRATION
GENERATOR
SCL DUTY CYCLE REGISTERS
ADDRESS REGISTER
CONTROL REGISTERS AND
SHIFT REGISTER
DECODER
COMPARATOR
STATUS
STATUS REGISTER
8
P89LPC932A1
CONTROL
TIMING
LOGIC
AND
I2DAT
8
8
8
ACK
I2ADR
© NXP B.V. 2007. All rights reserved.
interrupt
CCLK
002aaa899
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