参数资料
型号: PCA9536D,112
厂商: NXP Semiconductors
文件页数: 22/22页
文件大小: 0K
描述: IC I/O EXPANDER I2C 4B 8SOIC
标准包装: 100
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-SOIC(0.154",3.90mm 宽)
供应商设备封装: 8-SO
包装: 管件
包括: POR
其它名称: 935277415112
PCA9536D
PCA9536D-ND
PCA9536_5
NXP B.V. 2010. All rights reserved.
Product data sheet
Rev. 05 — 25 January 2010
9 of 22
NXP Semiconductors
PCA9536
4-bit I2C-bus and SMBus I/O port
7.
Application design-in information
This figure assumes the command byte has previously been programmed with 00h.
Transfer of data can be stopped at any moment by a STOP condition.
Fig 10. Read Input Port register
0000011
A
S1
START condition
R/W
acknowledge
from slave
002aab857
A
acknowledge
from master
SCL
SDA
NA
read from
port
data into
port
P
th(D)
9
8
7
6
5
4
3
2
1
data from port
no acknowledge
from master
data from port
DATA 4
slave address
DATA 1
STOP
condition
DATA 2
DATA 3
DATA 4
tsu(D)
Device address is 1000 001X; IO0, IO2, IO3 configured as outputs; IO1 configured as input.
Fig 11. Typical application
PCA9536
IO0
IO1
SDA
SCL
VDD
002aab858
SDA
SCL
10 k
Ω
10 k
Ω
IO2
IO3
VDD
VSS
MASTER
CONTROLLER
VSS
VDD
2 k
Ω
SUBSYSTEM 1
(e.g. temp. sensor)
INT
SUBSYSTEM 2
(e.g. counter)
RESET
controlled switch
(e.g. CBT device)
A
B
enable
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