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18
Jumper
Jumper Settings FM4-216-ETHERNET
Number
Description
Special Type Default
JP73
I2S48.1k
Solder Jumper Closed
JP74
USB HCONX
Solder Jumper Closed
JP75
1-2: External power supply
2-3: Supply via USB or JTAG
JP75 must
equal 77
1-2
JP76
1-2: USB Device (X11)
3-4: Debug port (X2)
5-6: JTAG (J11) (watch voltage!)
Only relevant
if JP75 and
JP77 set to 2-3
3-4
JP77
1-2: External power supply
2-3: Supply via USB or JTAG
JP75 must
equal 77
1-2
JP78
SD_CD:
1-2: CD
2-3: CD/DAT3
Solder Jumper 1-2
[JP79]
Backlight enable
Open
[JP80]
Backlight dimming
Open
[JP81]
LCD power control
1-2