Chapter 2 INDIVIDUAL FORMATS FOR VG CONTROL COMMANDS
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2.157 EXDPTP4 [24H 39H] : DP Training Pattern execution
Function : this command executes Training Pattern Mode of DisplayPort Analysis.
Sequence : Type 2
Command
:
STX
1 BYTE
02H
VG4CMD
1 BYTE
FDH
EXDPTP4
2 BYTE
24H 39H
Port No.
1 BYTE
"0"=DP1
"1"=DP2
Below is for VG-876 and 877
"2"=DP3
"3"=DP4
"4"=DP5
"5"=DP6
"6"=DP7
"7"=DP8
,
1 BYTE
2CH (Delimiter)
Pattern Select
1 BYTE
"0"=D10.2(TP1)
"1"=EQ(TP2)
"2"=Symbol Error Rate
"3"=PRBS7
,
1 BYTE
2CH (Delimiter)
Link Rate
1 BYTE
"0"=HBR(2.7Gbps)
"1"=RBR(1.62Gbps)
Below is for VG-876 and 877
“2”=HBR2(5.4Gbps)
,
1 BYTE
2CH (Delimiter)
Number of Lane
1 BYTE
"0"=1 lane
"1"=2 lanes
"2"=4 lanes
,
1 BYTE
2CH (Delimiter)
Voltage Swing
1 BYTE
"0"=0.4V
"1"=0.6V
"2"=0.8V
"3"=1.2V
,
1 BYTE
2CH (Delimiter)
Pre-emphasis
1 BYTE
"0"=0dB
"1"=3.5dB
"2"=6.0dB
"3"=9.5dB
ETX
1 BYTE
03H
Fig 2-157-1
PC
VG
STX~ETX
ACK or
STX+ESTS+Error Code+ETX
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