p89lpc9171fdh NXP Semiconductors, p89lpc9171fdh Datasheet - Page 52

• Manufacturer Part Number: p89lpc9171fdh
• Description: 8-bit Microcontroller With Accelerated Two-clock 80c51 Core, 2 Kb 3 V Byte-erasable Flash With 8-bit Adc
• Manufacturer: NXP Semiconductors

NXP Semiconductors
P89LPC9151_61_71_2
Product data sheet
Fig 14. I
P1.3/SDA
P1.2/SCL
2
C-bus serial interface block diagram
OUTPUT
OUTPUT
Rev. 02 — 9 February 2010
FILTER
FILTER
STAGE
STAGE
INPUT
INPUT
P1.3
P1.2
status bus
I2SCLH
overflow
I2SCLL
I2CON
I2STAT
timer 1
P89LPC9151/9161/9171
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-bit microcontroller with 8-bit ADC
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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