参数资料
型号: PCA9555PW,112
厂商: NXP Semiconductors
文件页数: 5/34页
文件大小: 0K
描述: IC I/O EXPANDER I2C 16B 24TSSOP
产品培训模块: I²C Bus Fundamentals
特色产品: NXP - I2C Interface
标准包装: 63
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
产品目录页面: 826 (CN2011-ZH PDF)
配用: 568-4002-ND - DEMO BOARD I2C
其它名称: 568-3986-5
935269569112
PCA9555PW
PCA9555PW-ND
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PCA9555_8
NXP
B
.V
.2009.
All
r
ights
reser
v
ed.
Pr
oduct
data
sheet
Re
v
.08
22
October
2009
13
of
34
NXP
Semiconductor
s
PCA9555
16-bit
I
2C-b
us
and
SMBus
I/O
por
twith
interrupt
Remark: Transfer of data can be stopped at any moment by a STOP condition. When this occurs, data present at the latest acknowledge phase is valid (output mode). It
is assumed that the command byte has previously been set to ‘00’ (read Input Port register).
Fig 14. Read Input port register, scenario 2
1
0
A2 A1 A0
1
A
S0
START condition
R/W
acknowledge
from slave
002aac224
A
SCL
SDA
A
read from port 0
P
9
8
7
6
5
4
3
2
1
I0.x
slave address
STOP condition
acknowledge
from master
A
I1.x
acknowledge
from master
A
I0.x
acknowledge
from master
1
I1.x
non acknowledge
from master
data into port 0
read from port 1
data into port 1
INT
tv(INT_N)
trst(INT_N)
DATA 00
DATA 10
DATA 03
DATA 12
DATA 00
DATA 01
th(D)
DATA 02
tsu(D)
DATA 03
tsu(D)
DATA 10
DATA 11
DATA 12
相关PDF资料
PDF描述
5-531478-4 CONT.MINI-LEAF STRIP
5-583857-5 TWIN LEAF DUMMY CONTACT
530505-8 DUO-TYNE FLAG STRIP
583361-2 CONN CONTACT 22-18AWG TIN
5-583361-2 CONT AMP LF
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