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參數資料
型號: PCA9536TK,118
廠商: NXP Semiconductors
文件頁數: 21/22頁
文件大?。?/td> 0K
描述: IC I/O EXPANDER I2C 4B 8HVSON
產品培訓模塊: I²C Bus Fundamentals
特色產品: NXP - I2C Interface
標準包裝: 1
接口: I²C,SM 總線
輸入/輸出數: 4
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: 8-VFDFN 裸露焊盤
供應商設備封裝: 8-HVSON
包裝: 標準包裝
包括: POR
產品目錄頁面: 825 (CN2011-ZH PDF)
配用: 568-3615-ND - DEMO BOARD I2C
其它名稱: 568-4079-6
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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