J7 is a Hirose df14-20p-1.25 1x20 header that provides connectivity to the external LVDS display. This connector is for data and logic power to the display only.
Pin | Description |
1 | V_LCD |
2 | V_LCD |
3 | GND |
4 | NC |
5 | LVDS0- |
6 | LVDS0+ |
7 | GND |
8 | LVDS1- |
9 | LVDS1+ |
10 | GND |
11 | LVDS2- |
12 | LVDS2+ |
13 | GND |
14 | LVDS_CLK- |
15 | LVDS_CLK+ |
16 | GND |
17 | LVDS3- |
18 | LVDS3+ |
19 | GND |
20 | 6/8 bit select (jumper) |
ESD Protection
The Piconium routes only channel “A” of the LVDS signals to the 20 pin header for interface to an LVDS display via a custom cable. All differential pairs are protected from ESD using EMI4182 common mode filter with low capacitance (0.8pf) ESD protection as shown below.