BOE LVDS Capacitive Display Set
This section shows information about the BOE LVDS LCD Display with Capacitive Touch Panel (CTP) Set. The iMX93 Industrial Development Kit in this configuration is equipped with Yocto 5.0 (Scarthgap) (Linux version 6.6.52) to support LVDS display with a touchscreen layer. In this case, the display is not installed/attached to the iMX Development Baseboard.
Required Components
The iMX93 Industrial Kit Display Set includes a compact ready-to-use solution. To assemble them together, the following mechanical and electrical accessories were designed and selected to be parts of the Display set:
- LVDS LCD Display: BOE EV121WXM-N10-1850 (DY1212W-4856 12.1" (WXGA) TFT LCD) 1024*800 RGB with Capacitive Touch Panel (CTP)
- DY1212W-4856 LVDS Cable
- Voipac BOE LVDS Display Adapter
- 1x 6-core Flat Flex Cable (FFC) 10-06-D-0050-C-4-08-4-T
- 1x 40-core Flat Flex Cable (FFC) 05-40-D-0050-A-4-06-4-T
Mechanical connection
This part shows how to correctly connect cables and parts of the BOE Display Set. To enable smooth communication between the board and the display, connect following parts as shown below:
- DY1212W-4856 LVDS Cable to rear side of the BOE Display
- Mount BOE LVDS Display Adapter on bottom side of the baseboard
- Connect and link cables together with the adapter and baseboard
BOE LVDS Display rear view with cable:
Baseboard bottom side with mounted LVDS Display Adapter:
Baseboard and BOE LVDS Display Adapter connection. Be patient to connect FFC cables correctly.
NOTE: Due to easier handling when connecting the cables, we recommend to connect BOE LVDS Cable to the Display Adapter on baseboard as last one.
Software instructions
iMX93 Industrial kit is preinstalled with Yocto 5.0 (Scarthgap) operation system enabling LVDS and touchscreen capabilities by default. Manual configuration is necessary, Devicetree in U-Boot have to by set to BOE LCD.
BOE LVDS Devicetree in U-Boot
Stop autoboot and set correct DTB file:
Fastboot: Normal
Normal Boot
Hit any key to stop autoboot: 0
u-boot=> fatls mmc 0:1
35564032 Image
69445 imx93-11x11-evk-aud-hat.dtb
66749 imx93-11x11-evk-boe-wxga-lvds-panel.dtb
65705 imx93-11x11-evk-flexio-i2c.dtb
66009 imx93-11x11-evk-flexspi-m2.dtb
66799 imx93-11x11-evk-i2c-spi-slave.dtb
65062 imx93-11x11-evk-i3c.dtb
2725 imx93-11x11-evk-inmate.dtb
51134 imx93-11x11-evk-iw612-otbr.dtb
65362 imx93-11x11-evk-ld.dtb
65520 imx93-11x11-evk-lpuart.dtb
65983 imx93-11x11-evk-mqs.dtb
68814 imx93-11x11-evk-mt9m114.dtb
65819 imx93-11x11-evk-rm67199.dtb
65573 imx93-11x11-evk-root.dtb
66108 imx93-11x11-evk-rpmsg-lpv.dtb
66132 imx93-11x11-evk-rpmsg.dtb
130428 imx93-11x11-evk_m33_TCM_low_power_wakeword.bin
19080 imx93-11x11-evk_m33_TCM_power_mode_switch.bin
18708 imx93-11x11-evk_m33_TCM_rpmsg_lite_pingpong_rtos_linux_remote.bin
17228 imx93-11x11-evk_m33_TCM_rpmsg_lite_str_echo_rtos.bin
47472 imx93-11x11-evk_m33_TCM_sai_low_power_audio.bin
49066 imx93-voipac-evk-boe-wxga-lvds-panel.dtb
47948 imx93-voipac-evk.dtb
593744 tee.bin
25 file(s), 0 dir(s)
u-boot=> setenv fdtfile imx93-voipac-evk-boe-wxga-lvds-panel.dtb
u-boot=> saveenv
Saving Environment to MMC... Writing to MMC(0)... OK
u-boot=> boot
Touchscreen test
Default Voipac iMX93 Image contain evtest utility to catch touchscreen events. Make sure XXXXX controller is detected and bound as input device:
Demo Example
