參數(shù)資料
型號： PCA9506DGG,518
廠商： NXP Semiconductors
文件頁數(shù)： 9/34頁
文件大?。?/td> 0K
描述： IC I/O EXPANDER I2C 40B 56TSSOP
標準包裝： 2,000
接口： I²C
輸入/輸出數(shù)： 40
中斷輸出： 是
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）
供應商設(shè)備封裝： 56-TSSOP
包裝： 帶卷 (TR)
包括： POR
其它名稱： 935280798518
PCA9506DGG-T
PCA9506DGG-T-ND
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PCA
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Rev
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ugu
st
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010
17
o
f34
N
X
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.
Two, three, or four adjacent banks can be programmed by using the Auto-Increment feature (AI = 1) and change at the corresponding output port becomes effective at
each acknowledge.
Fig 12. Write to a specific output port
002aab497
0
1
0
0 A2 A1 A0 0
slave address
R/W
S
START condition
SDA
A
acknowledge
from slave
AI 0001 D2 D1 D0 A
acknowledge
from slave
DATA BANK X
A
acknowledge
from slave
P
STOP
condition
A
write to port
data out from port
tv(Q)
data X
valid
The programming becomes effective at the acknowledge.
Less than 5 bytes can be programmed by using this scheme. D5, D4, D3, D2, D1, D0 refers to the first register to be programmed.
If more than 5 bytes are written, previous data are overwritten (the sixth Configuration register will roll over to the first addressed Configuration register, the sixth Polarity
Inversion register will roll over to the first addressed Polarity Inversion register and the sixth Mask Interrupt register will roll over to the first addressed Mask Interrupt
register).
Fig 13. Write to the I/O Configuration, Polarity Inversion or Mask Interrupt registers
002aab498
0
1
0
0 A2 A1 A0 0
slave address
R/W
S
START condition
SDA
A
acknowledge
from slave
1
0 D5 D4 D3 D2 D1 D0
command register
AI = 1
A
acknowledge
from slave
DATA BANK 0
A
DATA BANK 1
A
DATA BANK 2
A
DATA BANK 3
P
STOP
condition
A
acknowledge
from slave
DATA BANK 4
A
acknowledge
from slave
acknowledge
from slave
D[5:0] = 01 0000 for Polarity Inversion register programming bank 0
D[5:0] = 01 1000 for Configuration register programming bank 0
acknowledge
from slave
acknowledge
from slave
D[5:0] = 10 0000 for Mask Interrupt register programming bank 0
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PCA9507D,118-CUT TAPE 制造商:NXP 功能描述:PCA9507 Series 2-Wire Serial Bus Extender for HDMI DDC I2C and SMBus - SOIC-8
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