Nvidia Jetson TX2 Manual page 50

Table 44. HDMI Signal Connections
Module Pin Name Type
DPx_TX3+/– DIFF
OUT
DPx_TX[2:0] +/– DIFF
OUT
DPx_HPD I
HDMI_CEC I/OD
DPx_AUX_CH+/– I/OD
HDMI 5V Supply P
Note: Any ESD and/or EMI solutions must support targeted modes (frequencies).
Table 45. Recommended HDMI / DP observation (test) points for in itial boards
Test Points Recommended
One for each signal line.
Note: Test points must be done carefully to minimize signal integrity impact. Avoid stubs & keep pads small & nea r signal traces
Figure 28: Optional Dual-Mode (DP/HDMI) Connections
DP_AUX_CHx_P
To Jetson
TX2/TX2i
DP_AUX_CHx_N
DP Interface Signal Routing Requirem ents
See eDP/DP Signal Routing Requirements.
JETSON TX2/TX2i OEM PRODUCT | DESIGN GUIDE | 20180618
Termination (see note on ESD)
0.1uF series AC → 500Ω R
CAP
EMI/ESD (if required),.≤6Ω R
Module to Connector: 10kΩ PU to 1.8V → level shifter
→ 100kΩ series resistor. 100kΩ to GND on connector
side.
Gating circuitry, See connection figure or reference
schematics for details.
From the module to Connector: 10kΩ PU to 3.3V →
level shifter → 1.8kΩ PU to 5V → connector pin
Adequate decoupling (0.1uF & 10uF recommended) on
supply near connector.
5.0V
10kΩ
DP_MODE*
10nF
Gated
100kΩ 100kΩ
0.1uF
3.3V
DP_MODE*
100kΩ
0.1uF
Description
(controlled by FET) → HDMI Differential Clock: Connect to C–/C+ & pins on
PD
(series resistor) HDMI Connector
S
HDMI Differential Data: Connect to D[2:0]+/– pins. See
DP/HDMI Pin Mapping table and connection diagram.
HDMI Hot Plug Detect: Connect to HPD pin on HDMI
Connector
HDMI Consumer Electronics Control: Connect to CEC
on HDMI Connector through circuitry. Tegra supports a
single CEC controller that can be associated with one of
the display output heads.
HDMI: DDC Interface – Clock and Data: Connect
DP1_AUX_CH+ to SCL & DP1_AUX_CH– to SDA on
HDMI Connector
HDMI 5V supply to connector: Connect to +5V on
HDMI Connector.
Location
Near display connector. Connector pins can be used if accessible.
10kΩ
10kΩ
CONFIG1
10kΩ
DP_AUX
To DP Connector
100kΩ
DP_AUX*
NVIDIA Jetson TX2/TX2i OEM Product Design Guide
50