Other Parts Discussed in Thread: TDP0604
Tool/software:
I need to interface from Intel DDI (Digital Display Interface) to HDMI using
SN75DP139
Digital Display Interface (DDI) Signals
|
Signal Name |
Description |
Dir. |
Link Type |
Availability |
|---|---|---|---|---|
|
DDIx_TXP[3:0] DDIx_TXN[3:0] |
Digital Display Interface Transmitter lanes. DisplayPort, Embedded DisplayPort, HDMI and MIPI DSI Differential Pairs. |
O |
Diff |
S Processor Line P Processor Line H Processor Line U Processor Line |
|
DDIx_AUXP DDIx_AUXN |
Digital Display Interface Display Port Auxiliary: Half-duplex, bidirectional channel consist of one differential pair for each channel. MIPI DSI interface differential pair. |
I/O |
Diff |
|
|
DISP_UTILS_1 |
Digital Display Interface Utility Pin. MIPI DSI Tearing effect signal |
O |
SE |
|
|
DISP_UTILS_2 |
Digital Display Interface Utility Pin. MIPI DSI Tearing effect signal. |
O |
SE |
|
|
DDIA_RCOMP DDIB_RCOMP |
DDI IO Compensation resistors. U, P, Px, H processor lines only |
A | SE |
P Processor Line H Processor Line U Processor Line |
To HDMI:
| Pin | Signal | Description |
| 1 | TMDS Data2+ | TMDS lanes |
| 2 | TMDS Data2 Shield | |
| 3 | TMDS Data2- | |
| 4 | TMDS Data1+ | |
| 5 | TMDS Data1 Shield | |
| 6 | TMDS Data1- | |
| 7 | TMDS Data0+ | |
| 8 | TMDS Data0 Shield | |
| 9 | TMDS Data0- | |
| 10 | TMDS Clock+ | |
| 11 | TMDS Clock Shield | |
| 12 | TMDS Clock- | |
| 13 | CEC | CEC control |
| 14 | Reserved/Utility/HEAC+ | HDMI 1.4+, optional, HDMI Ethernet Channel and Audio Return Channel may be N.C. on device |
| 15 | SCL | DDC clock |
| 16 | SDA | DDC data |
| 17 | DDC/HEC/CEC Ground | |
| 18 | +5 V Power | power EDID/DDC |
| 19 | Hot Plug Detect/HEC Data- | HDMI 1.4+, optional, HDMI Ethernet Channel and Audio Return Channel |
