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J34 - LED Enable Invert
J38 - Light to Frequency Sensor or ADC Integrating
J40 - High Current Fan 5 or Fan 6
Jumper J31 is the "Hold BL" jumper. This jumper is used to put the DLPLCRDC4422EVM into boot loader
mode, which allows the DLPC4422 controllers to be programmed. Connect this jumper to prepare the
DLPLCRDC4422EVM to be programmed.
To power up the DLPLCRDC4422EVM, a 12V, 5A power supply is needed. Ensure the power supply is
functional and the switch SW1 on the EVM is set to off before connecting the power supply to the EVM.
Connecting the power supply when the switch is in the off position may prevent damage to the
DLPLCRDC4422EVM from poor power connections. The image below shows SW1 in the on position.
Once the power supply has been connected to the DLPLCRDC4422EVM, the switch SW1 can be flipped
to the "on" position. You can then plug in the USB cable into the board to prepare for programming the
board.
2.4
Programming the DLPLCRDC4422EVM and Displaying a SPLASH image
Follow these steps in order to download and configure the DLPC4422 GUI:
1. Download and install the DLPDLCR660TEVM Firmware SW package. The Projector Control
(.projector) and Firmware binary(.img) files will be located in the install directory.
2. Setting up Communication Preferences:
a. DLPC4422 GUI supports USB and I2C communication. To change these settings, please go to
Edit- >Preferences->Communication.
DLPU077 – March 2019
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Programming the DLPLCRDC4422EVM and Displaying a SPLASH image
Table 2-1. Reference Designators (continued)
Jumper
Sensor
Figure 2-3. ON/OFF Switch
Copyright © 2019, Texas Instruments Incorporated
Description (Bold Indicates Default Position)
Pins 1,2 connected LED_EN inverted
Pins 2,3 connected LED_EN not inverted
Pins 1,2 connected ADC Integrating Sensor
Pins 2,3 connected Comparator Sensor
Pins 1,2 connected for High Current Fan 5
Pins 2,3 connected for Fan 6
13
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