Edp Connector - Seco CCHPC-C78-C User Manual

eDP Connector

eDP connector
Pin Signal Pin
1 PTN_PWR 21
2 VDD_BKLT 22
3 VDD_BKLT 23
4 VDD_BKLT 24
5 VDD_BKLT 25
6 PTN_SMB_CLK 26
7 PTN_SMB_DAT 27
8 LCD_BKLT_CTRL 28
9 LCD_BKLT_EN 29
10 GND 30
11 GND 31
12 GND 32
13 GND 33
14 eDP_HPD 34
15 GND 35
16 GND 36
17 GND 37
18 GND 38
19 N.C. 39
20 VDD_LCD 40
JP13 position LCD Power selector
1-2 +5V_RUN
2-3 +3.3V_RUN
CCHPC-C78-C
CCHPC-C78-C - Rev. First Edition: 1.0 - Last Edition: 1.0 - Author: S.O. - Reviewed by E.S. Copyright © 2023 SECO S.p.A.
The HC78 carrier board offers the possibility of managing external eDP or mipi_DSI Displays.
CN42
For the connection of this kind of displays, on-board there is a VESA
Signal
embedded Display Port interface, type STARCONN p/n
300E40-0110RA-G3
VDD_LCD
connector, 0.5mm pitch, 40 positions).
VDD_LCD
On this connector, VDD_BKLT and VDD_LCD are the voltage rails that can be used to supply
VDD_LCD
the LCD and related Backlight Unit.
GND
eDP_AUX-
eDP_AUX+
This connector allows also to connect external eDP-to-LVDS adaptors, by offering a
GND dedicated power rail (PTN_PWR) and SM Bus interface (PTN_SMB_CLK and
PTN_SMB_DAT). These signals can be made externally available by using dedicated jumper
eDP_TX0+
JP11, according to the table below.
eDP_TX0-
GND
JP11 position
eDP_TX1+
eDP_TX1-
GND
eDP_TX2+
eDP_TX2-
GND
VDD_LCD: LCD Voltage rail. Its value can be set to +3.3V_RUN or +5V_RUN by using
dedicated jumper JP13, which is a standard pin header, P2.54mm, 1x3 pin.
eDP_TX3+
eDP_TX3-
VDD_BKLT: Backlight Voltage rail. Its value can be set to +5V_RUN or +12V_RUN
GND by using dedicated jumper JP12, same of JP13.
---
JP12 position
1-2
2-3
or equivalent
eDP additional signals selector
Inserted eDP only
Not inserted eDP additional signal enabled
Backlight Power selector
+12V_RUN
+5V_RUN
® certified connectors for
(microcoaxial cable
64