Altera DisplayPort MegaCore Function - Manual (Page 175)

Bit Bit Name Function
30 READY_TO_TX 0 = Busy sending a reply or waiting for a request
1 = Ready to send a reply
29:2
Unused
1 SRC_PWR_DETECT 0 = Upstream power not detected
1 = Upstream power detected
0 SRC_CABLE_DETECT 0 = Upstream cable not detected
1 = Upstream cable detected
DPRX_AUX_COMMAND
AUX transaction command register,
DPRX_AUX_COMMAND
.
Address: 0×0102
Direction: RW
Reset: 0×00000000
Table 10-44: DPRX_AUX_COMMAND Bits
Bit Bit Name Function
31:8 Unused
7:0 COMMAND AUX transaction command for the next reply or received in the
last request (refer to the DisplayPort specification) .
Reading of this register clears
MSG_READY
and
LENGTH
in
DPRX_
AUX_CONTROL
register.
DPRX_AUX_BYTE0
AUX Transaction Byte 0 Register.
Address: 0×0103
Direction: RW
Reset: 0×00000000
Table 10-45: DPRX_AUX_BYTE0 Bits
Bit Bit Name Function
31:8 Unused
10-24 DPRX_AUX_COMMAND
UG-01131
2015.05.04
Altera Corporation DisplayPort Sink Register Map and DPCD Locations
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