參數(shù)資料
型號： PCA9506DGG,512
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
產(chǎn)品培訓模塊： I²C Bus Fundamentals
特色產(chǎn)品： NXP - I2C Interface
標準包裝： 35
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）
供應商設備封裝： 56-TSSOP
包裝： 管件
包括： POR
產(chǎn)品目錄頁面： 824 (CN2011-ZH PDF)
其它名稱： 568-3354-5
935280798512
PCA9506DGG
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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
相關PDF資料
PDF描述
PCA9505DGG,112 IC I/O EXPANDER I2C 40B 56TSSOP
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相關代理商/技術參數(shù)
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PCA9507D,112 功能描述:接口-信號緩沖器、中繼器 LEVEL TRANSL I2C BUS RoHS:否 制造商:Texas Instruments 工作電源電壓: 工作溫度范圍: 安裝風格:SMD/SMT 封裝 / 箱體:VSSOP-8 封裝:Reel
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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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