参数资料
型号: PCA9536TK,118
厂商: NXP Semiconductors
文件页数: 21/22页
文件大小: 0K
描述: IC I/O EXPANDER I2C 4B 8HVSON
产品培训模块: I²C Bus Fundamentals
特色产品: NXP - I2C Interface
标准包装: 1
接口: I²C,SM 总线
输入/输出数: 4
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: 8-VFDFN 裸露焊盘
供应商设备封装: 8-HVSON
包装: 标准包装
包括: POR
产品目录页面: 825 (CN2011-ZH PDF)
配用: 568-3615-ND - DEMO BOARD I2C
其它名称: 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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