參數(shù)資料
型號: PCA9539RBS,118
廠商: NXP Semiconductors
文件頁數(shù): 2/37頁
文件大小: 0K
描述: IC I/O EXPANDER I2C 16B 24HVQFN
特色產(chǎn)品: NXP - I2C Interface
標(biāo)準(zhǔn)包裝: 1
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
安裝類型: 表面貼裝
封裝/外殼: 24-VFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 24-HVQFN(4x4)
包裝: 標(biāo)準(zhǔn)包裝
包括: POR
其它名稱: 568-8709-6
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PCA
953
9_PC
A
953
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ent
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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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