P89LPC980 NXP [NXP Semiconductors], P89LPC980 Datasheet - Page 49

• Manufacturer Part Number: P89LPC980
• Description: 8-bit microcontroller with accelerated two-clock 80C51 core, 4 kB/8 kB wide-voltage byte-erasable flash with 10-bit ADC
• Manufacturer: NXP [NXP Semiconductors]

NXP Semiconductors
P89LPC980_982_983_985_2
Preliminary data sheet
Fig 13. I
P1.3/SDA
P1.2/SCL
2
C-bus serial interface block diagram
OUTPUT
OUTPUT
Rev. 02 — 8 February 2010
FILTER
FILTER
STAGE
STAGE
INPUT
INPUT
P1.3
P1.2
8-bit microcontroller with accelerated two-clock 80C51 core
status bus
I2SCLH
overflow
I2SCLL
I2CON
I2STAT
timer 1
P89LPC980/982/983/985
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
CONTROL
TIMING
LOGIC
AND
I2DAT
8
8
8
ACK
I2ADR
© NXP B.V. 2010. All rights reserved.
interrupt
CCLK
002aaa899
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