5.7 DisplayPort Main Link Electrical Characteristics
This table provides the electrical characteristics of the DisplayPort main link.
Table 5–9 DisplayPort Main Link Electrical Specification
Symbol
Parameter
Min Typ Max Unit
Notes
UI
HIGH_RATE
Unit interval for the DP high
bit rate (2.7 Gbps/lane).
—
370
—
ps
High limit = +300 ppm
Low limit = -5300 ppm
UI
LOW_RATE
Unit interval for the DP
reduced bit rate (1.62 Gbps/
lane).
—
617
—
ps
High limit = +300 ppm
Low limit = -5300 ppm
UI
HIGH_RATE2
Unit interval for DP high-bit
rate 2 (5.4 Gbps/lane).
—
185
—
ps
High limit = +300 ppm
Low limit = -5300 ppm
V
TX-OUTPUT-RATIO_RBR_HBR
Ratio of output voltage level 1/
level 0.
0.8
6.0
dB
-
Ratio of output voltage level 2/
level 1.
0.1
5.1
dB
-
V
TX-OUTPUT-RATIO_HBR2
Ratio of output voltage level 2/
level 0.
5.2
6.9
dB
-
Ratio of output voltage level 2/
level 1.
1.6
3.5
dB
-
V
TX-OUTPUT-RATIO_RBR_HBR
Delta of pre-emphasis level 1
versus level 0.
2.0
dB
-
Delta of pre-emphasis level 2
versus level 1.
1.6
dB
-
V
TX-PREEMP-OFF
Maximum pre-emphasis when
disabled.
0.25
dB
-
5.8 SMBus Electrical Characteristics
The following tables provide the electrical characteristics for the SMBus DATA,
CLOCK, and CLK_REQB pads.
Table 5–10 Transmitter Electrical Specification
Symbol
Description
Min
Max Unit
F
TX
Supported transmit data rate.
—
100
kHz
V
OL
Maximum output low voltage @ I = 4 mA.
—
400
mV
V
OH
Minimum output high voltage.
VDD33 - 0.4
—
mV
Table 5–11 Receiver Electrical Specification
Symbol
Description
Min Max Unit Notes
VIH
AC
Minimum AC voltage at the PAD pin that will produce a stable high
at the Y pin of the macro at FRX.
2.0
—
V
3
VIL
AC
Maximum AC voltage at the PAD pin that will produce a stable low at
the Y pin of the macro.
—
0.8
V
3
VIH
DC
Minimum DC voltage at the PAD pin that will produce a stable high
at the Y pin of the macro.
2.0
—
V
1
Electrical Characteristics
63
©
2017
Advanced Micro Devices, Inc.
AMD Confidential - Do not duplicate.
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