J2 I2C Interface; J3 External I2C Enable Jumper; J4 Trigger Interface - BOPIXEL OPR407 Series Operating Manual

24 PDATA0
25 GND

3.2.2 J2 I2C Interface

It has the same function as the J1 flat cable, and use a general connector, which
is convenient for customers to use.
Pin Definition
1 E_SCL
2 E_SDA
3 EX_I2C_OE
4 NC
5 EXT_PROJ_ON
6 GND

3.2.3 J3 External I2C Enable Jumper

It is used to force enable the external I2C interface. Connecting the jumper can
enable external I2C interface, and then connection with GUI software using USB will
be disabled.

3.2.4 J4 Trigger Interface

Pin Definition
1 GND
2 PWR_SEL
3 PATTERN_R
DY
4 TRIG_OUT2
5 TRIG_IN
6 EXT_T5
Video Signal 27
Input
26
External I2C bus is enabled. After the voltage is pulled up to
3.3V, the external I2C is enable, and the USB to I2C channel is
The voltage is pulled up to 3.3V to turn on, and the 0V voltage is
Trigger signal level power supply. 3.3V or 5V can be
available (using different resistors)
Pattern_ready signal defined by GUI
Trigger output 2 defined by GUI, open-drain output,
pulled up to 5V with a 1k resistor
Trigger input defined by GUI, with optocoupler
isolation, 3.3V~24V compatible
7
L channel switching
EXT_SPI_EN
GND
Description
External I2C bus clock
External I2C bus data
closed.
used to turn off.
Signal Ground
Description
Signal Ground
External SPI
Enable