参数资料
型号: PCA9539RPW,112
厂商: NXP Semiconductors
文件页数: 2/37页
文件大小: 0K
描述: IC I/O EXPANDER I2C 16B 24TSSOP
标准包装: 1,575
接口: I²C,SM 总线
输入/输出数: 16
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: 24-TSSOP(0.173",4.40mm 宽)
供应商设备封装: 24-TSSOP
包装: 管件
包括: POR
其它名称: 935286605112
PCA9539RPW
PCA9539RPW-ND
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PCA
953
9_PC
A
953
9R
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this
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cum
ent
i
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sub
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a
ld
is
c
la
im
er
s.
NXP
B.V
.
2013.
Al
lr
ig
h
ts
re
s
e
rv
ed.
Produ
ct
d
at
a
sheet
Rev
.6
6
Feb
ruary
2013
10
o
f37
N
X
P
Semi
conductor
s
PCA9539;
PCA9539R
16-
bit
I
2C-b
us
an
d
SM
Bu
s
lo
w
powe
rI/O
po
rt
wit
h
int
e
rr
upt
a
nd
re
set
Fig 7.
Write to output port registers
1101
A1 A0
0
A
S1
START condition
R/W
acknowledge
from slave
002aad725
A
SCL
SDA
A
write to port
data out
from port 0
P
tv(Q)
9
8
7
6
5
4
3
2
1
command byte
data to port 0
DATA 0
slave address
0000010
0
STOP
condition
0.0
0.7
acknowledge
from slave
acknowledge
from slave
data to port 1
DATA 1
1.0
1.7
A
data out
from port 1
tv(Q)
DATA VALID
Fig 8.
Write to configuration registers
1101
A1 A0
0
A
S1
START condition
R/W
acknowledge
from slave
002aad726
A
SCL
SDA
A
P
9
8
7
6
5
4
3
2
1
command byte
data to register
DATA 0
slave address
0000110
0
STOP
condition
LSB
MSB
acknowledge
from slave
acknowledge
from slave
data to register
DATA 1
LSB
MSB
A
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