PT2257-SL 데이터 시트보기 (PDF) - Princeton Technology
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PT2257-SL Datasheet PDF : 20 Pages
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Electronic Volume Controller IC
PT2257
SOFTWARE SPECIFICATION
PT2257 ADDRESS
PT2257 Address is shown below:
1
0
0
0
1
0
0
0
MSB
LSB
I2C BUS INTERFACE START TIME
After Power is turned ON, PT2257 needs to wait for a short time in order to insure stability. The waiting
time period for PT2257 to send I2C Bus Signal is at least 200ms. If the waiting time period is less than
200ms, I2C Control may fail. Please refer to the diagram below.
V
POWER ON
90% VDD
VDD
At least 200ms
SDA/SCL
PT2257 V1.3
-7-
December, 2006
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