PI3HDMI412ADZBE View Datasheet(PDF) - Pericom Semiconductor
Part Name
Description
MFG CO.
PI3HDMI412ADZBE
Pericom Semiconductor
'PI3HDMI412ADZBE' PDF : 11 Pages View PDF
PI3HDMI412AD
1:2 Active HDMITM Compatible DeMux with
Advanced Re-Driver Functionality for Enhanced Signal Integrity
I2C Truth Table
(At power up, default values are: Port A is active, signal swing is set to 500mV, pre-emphasis and de-emphasis
are at 0dB, and equalization is at 1dB)
Byte 2: S[7:0]=00000001
Output Swing: 500mV
Pre-emphasis: 0dB
De-Emphasis: 0dB
Equalization: 1dB
Active Port: port A
Byte 3: S[7:0]=00000001
Output Swing: Defined by Byte 2
Pre-emphasis:
De-Emphasis:
Active Port: port A, in normal mode
BYTE 1 (Address Assignment)
Address A6
A5
A4
A3
A2
A1
A0
R/W
Value
1
1
0
A3
A2
A1
A0
R=1/W=0
BYTE 2 (1st Data byte - Port A control and input control)
Port A and Input
Control
S7 S6 S5 S4 S3 S2 S1 S0
Swing (mV)
Result
Pre-emphasis (dB) De-emphasis (dB)
Swing Control
0000xxxx
500
0
0
0001xxxx
750
0
0
0010xxxx
1000
0
0
0011xxxx
N/A
N/A
N/A
Pre-Emphasis
0100xxxx
500
0
0
0101xxxx
500
1.5
0
0110xxxx
500
3.5
0
0111xxxx
500
6.0
0
De-Emphasis
1000xxxx
750
0
0
1001xxxx
750
0
-1.5
1010xxxx
750
0
-3.5
1011xxxx
750
0
-6.0
Output Port Select x x x x x x 0 1
Port A is active
xxxxxx11
Port B is active
xxxxxxx0
Port A = Hi-Z
Equalization (dB) x x x x 0 0 x x
1
xxxx01xx
3.5
xxxx10xx
6
xxxx11xx
8
HDMI, High-Definition Multimedia Interface, and Deep Color are trademarks of
HDMI Licensing, LLC in the United States and other countries.
3 08-0049
PS8842M
03/10/08
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