参数资料
型号: PCA8575PW,112
厂商: NXP Semiconductors
文件页数: 30/30页
文件大小: 0K
描述: IC I/O EXPANDER I2C 16B 24TSSOP
产品培训模块: I²C Bus Fundamentals
特色产品: NXP - I2C Interface
标准包装: 63
接口: I²C
输入/输出数: 16
中断输出:
频率 - 时钟: 400kHz
电源电压: 2.3 V ~ 5.5 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 24-TSSOP(0.173",4.40mm 宽)
供应商设备封装: 24-TSSOP
包装: 管件
包括: POR
产品目录页面: 824 (CN2011-ZH PDF)
其它名称: 568-4230-5
935283505112
PCA8575PW
PCA8575PW-ND
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PCA8575_2
NXP
B
.V
.2007.
All
r
ights
reser
v
ed.
Pr
oduct
data
sheet
Re
v
.02
21
Mar
c
h
2007
9
of
30
NXP
Semiconductor
s
PCA8575
Remote
16-bit
I/O
e
xpander
f
or
I
2C-b
us
with
interrupt
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
0
A2 A1 A0
1
A
S0
START condition
R/W
acknowledge
from slave
002aab810
A
acknowledge
from master
SCL
SDA
A
read from port 0
data into port 0
INT
A
1
no acknowledge
from master
P
DATA 10
DATA 12
tv(D)
td(rst)
9
8
7
6
5
4
3
2
1
P0x
DATA 00
acknowledge
from master
P1x
DATA 11
P0x
DATA 00
acknowledge
from master
P1x
DATA 12
data into port 1
DATA 00
read from port 1
DATA 11
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