QDSP-2020 User's Manual
Jumper
Open
Short
Table 12 JP2 Power Mode Selection
Jumper
Setting
1-3
1
3-5
2-4
2
4-6
Table 13 JP3 Backlight & Panel Power Selection
Jumper
1
1-2
2
2-3
3
Table 14 JP4 Backlight Enable Selection
Pin
Signal
1
+5VSB
3
KBCLK_SIO
5
KBCLK_CN7
7
MSCLK_SIO
9
MSCLK_CN7
Table 15 JP5 KB/MS Connector Selection
Jumper
1
1-2
2
2-3
3
Table 16 JP6 USB POWER SELECT
Status
AT Mode
ATX Mode (Default)
Backlight Power = +12V (Default)
Backlight Power = +5V
Panel Power = +3.3V (Default)
Panel Power = +5V
Status
Active High (Default)
Active Low
Pin
2
4
6
8
10
Status
+5VSB (Default)
+5V
28
Chapter 5
Status
Signal
GND
KBDAT_ SIO
KBDAT_CN7
MSDAT_SIO
MSDAT_CN7
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