Spectrum Digital TMS320DM368, Technical Reference

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Spectrum Digital, Inc
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3.5.4 J26, USB ID Select
The J26 jumper is used to pull the USB_ID line on USB connector high or low. The
selections are shown below.
* Factory shipped configuration
3.5.5 J27, U14 LL8 Voltage Select
The J27 jumper is used to select the voltage input to U14, Pin 27, LL8. The
selections are shown below.
* Factory shipped configuration
Table 44: J26, USB ID Select
Position Function
1 - 2 USB_ID pulled high *
2 - 3 USB_ID pulled low
Table 45: J26, U14 LL8 Voltage Select
Position Function
1 - 2 VCC5_IN Selected *
2 - 3 VCC_3V3 Selected
J26
Figure 3-26, J26, USB ID Select
H
J26
H
ID ID
L
L
Pos 1-2 View Pos 2-3 View
J27
Figure 3-27, J27, U14 LL8 Voltage Select
J27
Pos 1-2 View
Pos 2-3 View
Pin 1 Pin 1