Configuration Straps
Table 4-1. Configuration Jumpers and Straps (Continued)
Default
Designation
S31
S32
S33
TP1
TP2
TP3
Setting
Closed
Closed
Opened
N.A
N.A
N.A
Feature
Enables the use of the DBGU TXD signal (PA31)
Enables the use of the DBGU RXD signal (PA30)
Disable VUSB power supply on J9 extension connector.
GND Test point
GND Test point
GND_ADC Test point
Note:
1. These jumpers are provided for measuring power consumption. By default, they are
closed. To use this feature, the user has to open the strap and insert an anmeter.
AT91SAM7A3-EK Evaluation Board User Guide
4-3
6165C–ATARM–26-Jun-06
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