
Bit Bit Name Function
12
HPD_IRQ
Writing this bit at 1 generates a 0.75-ms long HPD IRQ (low pulse).
This bit is WO.
To use this bit, HPD_EN must be 1.
11
HPD_EN
HPD logic level
0 = Deasserted (low)
1 = Asserted (high)
10:0 Unused
Sink-Supported DPCD Locations
The following table describes the DPCD locations (or location groups) that are supported in DisplayPort
sink instantiations.
Table 10-68: DPCD Locations
Location Name Address Without
Controller
With Controller
DPCD_REV
0×0000 Yes Yes
MAX_LINK_RATE
0×0001 Yes Yes
MAX_LANE_COUNT
0×0002 Yes Yes
MAX_DOWNSPREAD
0×0003 Yes Yes
NORP
0×0004 Yes Yes
DOWNSTREAMPORT_PRESENT
0×0005 Yes Yes
MAIN_LINK_CHANNEL_CODING
0×0006 Yes Yes
DOWN_STREAM_PORT_COUNT
0×0007 Yes Yes
RECEIVE_PORT0_CAP_0
0×0008 Yes Yes
RECEIVE_PORT0_CAP_1
0×0009 Yes Yes
RECEIVE_PORT1_CAP_0
0×000A Yes Yes
RECEIVE_PORT1_CAP_1
0×000B Yes Yes
I2C_SPEED_CONTROL
0×000C — Yes
UG-01131
2015.05.04
Sink-Supported DPCD Locations
10-33
DisplayPort Sink Register Map and DPCD Locations
Altera Corporation
Send Feedback
Comentarios a estos manuales