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PI3DPX1202A Datasheet(PDF) 28 Page - Diodes Incorporated

Part # PI3DPX1202A
Description  Low power DisplayPort 1.2 Redriver with DDC/AUX CH Switch
PDF  51 Pages
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Manufacturer  DIODES [Diodes Incorporated]
Direct Link  http://www.diodes.com
Logo DIODES - Diodes Incorporated

PI3DPX1202A Datasheet(HTML) 28 Page - Diodes Incorporated

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A product Line of
Diodes Incorporated
28 of 51
www.diodes.com
February 2020
© Diodes Incorporated
PI3DPX1202A
Document number: DS40115 Rev 3-3
PI3DPX1202A
4.6
SMBus Programming
SMBUS support Block Read, Block Write, Indexed Block Read and Indexed Block Write function. No Byte write function is supported.
SMBUS has 20 internal registers. Only two registers are accessible by users.
SMBUS address is set to 0xAA or 0xA8 depending on the SMBUS_ADDR pin setting.
SMBus Address:
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1 (I2C_ADDR pin 1-bit)
Bit 0
1
0
1
0
1
0
1'b=0 : 0xA8 address
1'b=1 : 0xAA address
R/W
SMBus Write Byte
Block Write
s
Wr A
slave address
A
Command Code
A
Byte Count = N
A
Date Byte 0
A
Date Byte 1
A
Date Byte 2
A
Date Byte 3
A
Date Byte 4
A
Date Byte 5
A
Date Byte 6
A
Date Byte 7
A
Date Byte 8
P
Index Block Write
s
s
Wr A
slave address
A
Command Code
A
Byte Count = N
A
Date Byte 0
A
Date Byte 1
A
Date Byte 2
A
Date Byte 3
A
Date Byte 4
A
Date Byte 5
A
Date Byte 6
A
Date Byte 7
A
Date Byte 8
P
P
Byte Write
Wr A
slave address
A
Command Code
A
Byte



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