參數(shù)資料
型號(hào): PCA9555DB,112
廠商: NXP Semiconductors
文件頁(yè)數(shù): 4/34頁(yè)
文件大?。?/td> 0K
描述: IC I/O EXPANDER I2C 16B 24SSOP
產(chǎn)品培訓(xùn)模塊: I²C Bus Fundamentals
特色產(chǎn)品: NXP - I2C Interface
標(biāo)準(zhǔn)包裝: 59
接口: I²C,SM 總線
輸入/輸出數(shù): 16
中斷輸出:
頻率 - 時(shí)鐘: 400kHz
電源電壓: 2.3 V ~ 5.5 V
工作溫度: -40°C ~ 85°C
安裝類(lèi)型: 表面貼裝
封裝/外殼: 24-SSOP(0.209",5.30mm 寬)
供應(yīng)商設(shè)備封裝: 24-SSOP
包裝: 管件
包括: POR
產(chǎn)品目錄頁(yè)面: 826 (CN2011-ZH PDF)
其它名稱(chēng): 568-5027
935269568112
PCA9555DB
PCA9555DB,112-ND
PCA9555DB-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
12
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 13. Read Input port register, scenario 1
1
0
A2 A1 A0
1
A
S0
START condition
R/W
acknowledge
from slave
002aac223
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
6543210
7
6543210
7
6543210
7
6543210
7
INT
tv(INT_N)
trst(INT_N)
相關(guān)PDF資料
PDF描述
PCA9555PW,112 IC I/O EXPANDER I2C 16B 24TSSOP
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
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