7
Functional description
7.1
Default jumper setting
Table 4.
Jumper configuration
Name
Description
Configuration
J4
Watchdog disable
Soldered
7.2
Getting started
Make sure jumper [
J4
] is closed:
Figure 8.
Jumper J4 detail
Step 1.
Connect power supply positive output to [
J2
] and ground to [
J8
].
Step 2.
Configure the power supply to 13.5 V and limit the current to 3 A
Step 3.
Switch on the power supply
Step 4.
Connect the Wake_ext ( pin 4 of expansion connector) to a voltage > 3.25 V
Step 5.
Use a multimeter, in voltage measurement setting, to measure following voltages:
–
5 V between [
J6 (+)
] and [
J7 (-)
]
–
1.2 V between [
J10 (+)
] and [
J9 (-)
]
–
5 V between [
J5 (+)
] and [
J3 (-)
]
UM2598
Functional description
UM2598
-
Rev 1
page 9/15
