Datasheet > PCA8575DB,112

PCA8575DB,112

更新时间： 2024-02-25 20:55:28

品牌	Logo	应用领域
恩智浦 - NXP		PC
页数	文件大小	规格书
30页	181K
描述
PCA8575 - Remote 16-bit I/O expander for I2C-bus with interrupt SSOP2 24-Pin

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PCA8575DB,112 数据手册

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SCL

SDA

P0x

P1x

P0x

P1x

A2 A1 A0

DATA 00

DATA 11

DATA 00

DATA 12

START condition

R/W

acknowledge

from master

acknowledge

from master

acknowledge

from master

no acknowledge

from master

acknowledge

from slave

read from port 0

data into port 0

read from port 1

DATA 00

DATA 10

data into port 1

INT

DATA 11

DATA 12

d(rst)

002aab810

v(D)

Transfer of data can be stopped at any moment by a STOP condition. When this occurs, data present at the latest acknowledge phase is valid (output mode).

Fig 12. Read input port register, scenario 1

1...6 7 8910 11 12...30

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