Intrinsyc LANTRONIX Open-Q 820 User Manual page 41

3.9.17 Display Connector J2
The 100-pin display connector provides the following features/ pin-outs that enables the development kit to
connect to a MIPI DSI panel/ device:
Note: Please refer to the carrier schematic and display board tech note when designing a custom display
board.
DSI
•
o 2 x 4 lane DSI
• Backlight
Built-in backlight WLED driver on PMI8996
o

o Primary external backlight (BL0)


Display connector – LCD/ AMOLED
•
o PMI8996 programmable display bias output voltage:


Additional GPIOs for general purposes available
•
VREG_S4A voltage rail from PM8996
•
o Required by display for DOVDD
o 300mA current path
• Touch Panel
Supports one touch screen controller
o
o Supports I2C or SPI via BLSP12
o Can chose between I2C or SPI signals in SW U9 via BLSP12
Power specifications
The display connector supports the following power domains:
Open-Q™ 820 / 820Pro µSOM Dev Kit User Guide
Figure 18 100-Pin Display Connector
WLED driver supports up to 28.5V output for backlight
Backlight control signals
External Power
5V to 6.1V and -1.4V to -6.0V (LCD display)
4.6V to 5V and -1.4V to -5.4V (AMOLED display)
Open-Q 820 µSOM Development Kit
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