Motorola USB08 - Manual (Page 39)

Hardware Description
Jumpers and Bridges
USB08 Evaluation Board Designer Reference Manual
MOTOROLA Hardware Description 39
Figure 2-4. Solder Bridge Placement
on Downside of the PCB
Table 2-4. Solder Bridges Configuration
Solder
Bridge
Position
(1)
1. * = delivery status
Function
BR1
and BR2
1-2* User RS232 configured in external device mode (PC)
2-3 User RS232 configured in host mode (LCD connection)
BR3
Open* V
CC
is not present at user RS232 port (standard).
Closed V
CC
is present at pin 9 of the user RS232.
BR4
1-2* Power supply via voltage regulator, 8–20 V needed at X4
2-3 Power supply directly from X4, must be stabilized at 5 V