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JA42 is used for DVI (Digital Video Interface) control part, TouchScreen control and SPI1.<br>
-There are some peripherals than can be connected to JA42 like MM3, MM2, SSI, USB and HW_DBG, but is not used in this how-to. Some pads have mux capabilities capabilitie:
{| cellspacing="1" cellpadding="1" border="1" align="JUSTIFY" style="width: 960px; height: 1463px;"
| Power 5v
| -
| <div align="JUSTIFY">-<br></div>
|-
| 4
| GND
| -
| <div align="JUSTIFY"><br></div> <div align="JUSTIFY">-<br></div>
|-
| 5
| <div align="JUSTIFY"><br>
-<br>
</div>
|-
GPIO_3 (mode=4)
| <div align="JUSTIFY">-<br></div> <div align="JUSTIFY"><br></div>
|-
| 7
GPIO_68(mode=4)
| <div align="JUSTIFY"><br></div> <div align="JUSTIFY">TFP410 '''(6)'''<br></div>
|-
| 8
| LCD Horitzontal sync (Expansion)
|
GPIO_67 (mode=4)<br>
| <div align="JUSTIFY"><br></div> <div align="JUSTIFY"><div align="JUSTIFY">TFP410 '''(6)'''<br></div></div>
|-
| 9
| LCD Control (Expansion)
| GPIO_133(mode=4)
| <div align="JUSTIFY"><br></div> <div align="JUSTIFY"><div align="JUSTIFY">TFP410 '''(6)'''<br></div></div>
|-
| 10
| Control signal for DVI controler (Expansion)
| -
| <div align="JUSTIFY"><br></div> <div align="JUSTIFY"><br>TFP410 '''(6)'''</div>
|-
| 11
| DVI_PCLK
| DSS_PCLK
| LCD clock (Expansion)
|
GPIO_66 (mode=4)<br>
| <div align="JUSTIFY"><br></div> <div align="JUSTIFY"><br>TFP410 '''(6)'''</div>
|-
| 12
| TS_nPEN_IRQ
| McSPI1_CS1
| Touchscreen control (Expansion)
|
MMC3_CMD
| Touchscreen control (Expansion)
|
GPIO_154 (mode=4)<br>
| <div align="JUSTIFY"><br></div>
| LCD_ENVDD
| McBSP4_DR
| Touchscreen control (Expansion)
|
GPIO_153 (mode=4)<br>
| LCD_RESB
| McBSP4_FSX
| Touchscreen control (Expansion)
|
GPIO_155 (mode=4)<br>
| Touchscreen control (Expansion)
|
GPIO_152 (mode=4)<br>
| <div align="JUSTIFY"><br></div>
|}
<br> Under construction'''(6):''' TFP410: Converts DVI signal to HDMI.They share the same video signal.<br>
=== JA41 connector ===
Under construction
