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參數(shù)資料
| 型號(hào)： | PCA9541 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | 2-to-1 I2C master selector with interrupt logic and reset |
| 中文描述： | 2比1的I2C主機(jī)選擇與中斷邏輯和復(fù)位 |
| 文件頁(yè)數(shù)： | 16/30頁(yè) |
| 文件大?。?/td> | 279K |
| 代理商： | PCA9541 |
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P
P
P
2
2
1
2
0
A
A
A1
A0
SLAVE ADDRESS
start condition
R/W
0
SW02306
0
0
0
0
0
0
A
1
P
A
COMMAND CODE REGISTER
DATA MASK REGISTER
DATA CONTROL REGISTER
Stop condition
acknowledge
from slave
acknowledge
from slave
acknowledge
from slave
Auto
acknowledge
from slave
S
1
1
1
A3
A2
Figure 12. Write to the Mask and Control Registers using the Auto-Increment (AI) bit
NOTE:
If a 3rd data byte is sent, it will not be acknowledged by the PCA9541.
Sr
0
S
0
A
A
1
1
1
A3 A2
A1
A0
SLAVE ADDRESS
start condition
R/W
acknowledge
from slave
acknowledge
from slave
X
COMMAND CODE
ACCESS TO REGISTER
XX = 00, 01, OR 10
1
SW02307
X
0
0
0
0
A
A
P
stop
condition
acknowledge
from slave
no acknowledge-
from master
1
1
1
A3 A2 A1
A0
1
R/W
SLAVE ADDRESS
A
A
re-start
condition
Auto
Increment
acknowledge
from master
acknowledge
from master
XX = 00 : INTERRUPT ENABLE REGISTER
XX = 01 : CONTROL REGISTER
XX = 10 : INT REGISTER
CONTROL REGISTER
INT REGISTER
INTERRUPT ENABLE REGISTER
INT REGISTER
INTERRUPT ENABLE REGISTER
CONTROL REGISTER
Figure 13. Read the 3 registers using the Auto-Increment (AI) bit
NOTE:
If a 4th data byte is read, the first Register will be accessed.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| PCA9542 | 2-channel IIC multiplexer and interrupt controller(2通道IIC多路復(fù)用器和中斷控制器) |
| PCA9542PW | 2-channel I2C multiplexer and interrupt controller |
| PCA9542PWDH | 2-channel I2C multiplexer and interrupt controller |
| PCA9543 | 2-channel I2C switch with interrupt logic and reset |
| PCA9543D | 2-channel I2C switch with interrupt logic and reset |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| PCA9541_08 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:2-to-1 I2C-bus master selector with interrupt logic and reset |
| PCA9541_09 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:2-to-1 I2C-bus master selector with interrupt logic and reset |
| PCA9541A | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:2-to-1 I2C-bus master selector with interrupt logic and reset |
| PCA9541ABS/01 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:2-to-1 I2C-bus master selector with interrupt logic and reset |
| PCA9541ABS/01,118 | 功能描述:I2C 接口集成電路 2-to-1 I2C-bus master selector RoHS:否 制造商:NXP Semiconductors 電源電壓-最大:5.5 V 電源電壓-最小:2.3 V 最大工作頻率:400 KHz 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-16 |
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