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P89LPC970FDH 데이터시트(PDF) 35 Page - NXP Semiconductors

부품명 P89LPC970FDH
상세설명  8-bit microcontroller with accelerated two-clock 80C51 core 2 kB/4 kB/8 kB wide-voltage byte-erasable flash
PDF  67 Pages
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제조업체  NXP [NXP Semiconductors]
홈페이지  http://www.nxp.com
Logo NXP - NXP Semiconductors

P89LPC970FDH 데이터시트(HTML) 35 Page - NXP Semiconductors

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P89LPC97X
All information provided in this document is subject to legal disclaimers.
© NXP B.V. 2010. All rights reserved.
Product data sheet
Rev. 3 — 8 June 2010
35 of 66
NXP Semiconductors
P89LPC970/971/972
8-bit microcontroller with accelerated two-clock 80C51 core
Fig 9.
I2C-bus serial interface block diagram
002aaa899
ADDRESS REGISTER
COMPARATOR
SHIFT REGISTER
8
I2ADR
ACK
BIT COUNTER /
ARBITRATION
AND SYNC LOGIC
8
I2DAT
TIMING
AND
CONTROL
LOGIC
SERIAL CLOCK
GENERATOR
CCLK
interrupt
INPUT
FILTER
OUTPUT
STAGE
INPUT
FILTER
OUTPUT
STAGE
P1.3
P1.3/SDA
P1.2/SCL
P1.2
timer 1
overflow
CONTROL REGISTERS AND
SCL DUTY CYCLE REGISTERS
I2CON
I2SCLH
I2SCLL
8
STATUS
DECODER
status bus
STATUS REGISTER
8
I2STAT



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