參數(shù)資料
型號: PCA9505DGG,118
廠商: NXP Semiconductors
文件頁數(shù): 8/34頁
文件大?。?/td> 0K
描述: IC I/O EXPANDER I2C 40B 56TSSOP
標(biāo)準(zhǔn)包裝: 2,000
接口: I²C
輸入/輸出數(shù): 40
中斷輸出:
頻率 - 時鐘: 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: 56-TFSOP(0.240",6.10mm 寬)
供應(yīng)商設(shè)備封裝: 56-TSSOP
包裝: 帶卷 (TR)
包括: POR
其它名稱: 935284486118
PCA9505DGG-T
PCA9505DGG-T-ND
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N
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P
Semi
conductor
s
PCA9505/06
40
-bit
I
2C-bus
I/O
port
with
RESET
,O
E
and
INT
OE is LOW to observe a change in the outputs.
If more than 5 bytes are written, previous data are overwritten.
Fig 11. Write to the 5 output ports
002aab496
0
1
0
0 A2 A1 A0 0
slave address
R/W
S
START condition
SDA
A
acknowledge
from slave
10001000
command register
AI = 1
A
acknowledge
from slave
DATA BANK 0
A
acknowledge
from slave
DATA BANK 1
A
acknowledge
from slave
DATA BANK 2
A
acknowledge
from slave
DATA BANK 3
P
STOP
condition
A
acknowledge
from slave
output bank
register bank 0
is selected
DATA BANK 4
A
acknowledge
from slave
write to port
data out from port
tv(Q)
data valid
bank 0
data valid
bank 1
data valid
bank 2
data valid
bank 3
data valid
bank 4
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