參數(shù)資料
型號: PCA8575PW,118
廠商: NXP Semiconductors
文件頁數(shù): 30/30頁
文件大?。?/td> 0K
描述: IC I/O EXPANDER I2C 16B 24TSSOP
特色產(chǎn)品: NXP - I2C Interface
標(biāo)準(zhǔn)包裝: 1
接口: I²C
輸入/輸出數(shù): 16
中斷輸出:
頻率 - 時鐘: 400kHz
電源電壓: 2.3 V ~ 5.5 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 24-TSSOP(0.173",4.40mm 寬)
供應(yīng)商設(shè)備封裝: 24-TSSOP
包裝: 標(biāo)準(zhǔn)包裝
包括: POR
其它名稱: 568-8248-6
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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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