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PI3DPX1202A2 Fiches technique(PDF) 16 Page - Diodes Incorporated

No de pièce PI3DPX1202A2
Description  Low power DisplayPort 1.2 Redriver with DDC/AUX CH Switch
PDF  51 Pages
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Fabricant  DIODES [Diodes Incorporated]
Site Internet  http://www.diodes.com
Logo DIODES - Diodes Incorporated

PI3DPX1202A2 Fiches technique(HTML) 16 Page - Diodes Incorporated

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PI3DPX1202A
A product Line of
Diodes Incorporated
16 of 51
www.diodes.com
September 2017
© Diodes Incorporated
PI3DPX1202A
Document number: DS40115 Rev.2-1
Intelligent Power Management
The device intelligent signal detection scheme allows portions, or all of the IC, to be disabled for power savings. In DP
mode, if only one or two lanes are active, the other lanes will be automatically powered off. If there is no input video
signal the entire IC will be powered down. If there is no monitor detected, it can also automatically power down the IC.
The power-down mode can also be entered using hard pin ENABLE, or through DPCD register (AUX link training).
Table 4-1: DP Channel Power down State
State POR
State POR
Description
External Pins
Internal Signal
3.3-1.2V active
channel regula-
tor(1)
Active channel
HPD
CAD
_SNK
DPCD CS
decode
ST_POR
Power On Reset
X
X
0
Powered down
Powered down
ST_LPM1
Low Power Mode 1
X
X
0
Powered down
Powered down
ST_LPM2
Low Power Mode 2
X
X
0
Powered down
Powered down
ST_ACT
Active Mode
1
0
1
Active
Active
ST_ACT
Active Mode
1
0
0
Powered down
Powered down
ST_WAIT
Active Wait
1
0
1
Active
Active
ST_WAIT
Active Wait
1
0
0
Powered down
Powered down
ST_POR
Power On Reset
X
1
X
Powered down
Powered down
ST_LPM1
Low Power Mode 1
X
1
X
Powered down
Powered down
ST_LPM2
Low Power Mode 2
X
1
X
Powered down
Powered down
ST_ACT
Active Mode
1
1
1
Active
* Note (1)
ST_WAIT
Active Wait
1
1
1
Active
* Note (1)
Note:
(1) Inactive channel are always powered down.



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