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參數(shù)資料
型號(hào): PCA9536DP/DG,118
廠(chǎng)商: NXP Semiconductors
文件頁(yè)數(shù): 21/22頁(yè)
文件大小: 0K
描述: IC I/O EXPANDER I2C 4B 8TSSOP
特色產(chǎn)品: NXP - I2C Interface
標(biāo)準(zhǔn)包裝: 1
接口: I²C,SM 總線(xiàn)
輸入/輸出數(shù): 4
中斷輸出: 無(wú)
頻率 - 時(shí)鐘: 400kHz
電源電壓: 2.3 V ~ 5.5 V
工作溫度: -40°C ~ 85°C
安裝類(lèi)型: 表面貼裝
封裝/外殼: 8-TSSOP,8-MSOP(0.118",3.00mm 寬)
供應(yīng)商設(shè)備封裝: 8-TSSOP
包裝: 標(biāo)準(zhǔn)包裝
包括: POR
其它名稱(chēng): 568-8252-6
PCA9536_5
NXP B.V. 2010. All rights reserved.
Product data sheet
Rev. 05 — 25 January 2010
8 of 22
NXP Semiconductors
PCA9536
4-bit I2C-bus and SMBus I/O port
Fig 7.
Write to Output Port register
0000010
A
S1
START condition
R/W
acknowledge
from slave
002aab854
A
acknowledge
from slave
SCL
SDA
A
write to port
data out
from port
P
tv(Q)
9
8
7
6
5
4
3
2
1
command byte
acknowledge
from slave
data to port
DATA 1
slave address
0000001
0
STOP
condition
data 1 valid
Fig 8.
Write to Configuration register or Polarity Inversion register
0000010
A
S1
START condition
R/W
acknowledge
from slave
002aab855
A
acknowledge
from slave
SCL
SDA
A
data to
register
P
9
8
7
6
5
4
3
2
1
command byte
acknowledge
from slave
data to register
DATA
slave address
000000 1/0
0
STOP
condition
Fig 9.
Read from register
0000010
A
S1
START condition
R/W
acknowledge
from slave
002aab856
A
acknowledge
from slave
SDA
A
P
command byte
acknowledge
from master
data from register
DATA (first byte)
slave address
STOP
condition
S
(repeated)
START condition
(cont.)
0000011
A
1
R/W
acknowledge
from slave
slave address
at this moment master-transmitter becomes master-receiver
and slave-receiver becomes slave-transmitter
NA
no acknowledge
from master
data from register
DATA (last byte)
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