The following table describes the functionality of the jumpers.
Table 1. Jumper Configuration
| Jumper |
Label |
Default
Setting |
Function |
| J4 |
3V3 |
Closed |
3.3V
current measurement |
| J5 |
5V |
Closed |
5V current
measurement |
| J6 |
SHDN |
Open |
To enable 3.3V and 5V
converters despite SHDN command |
| J7 |
BACK-UP |
Closed |
3V3_BACK-UP current
measurement |
| J8 |
VDDOUT |
Closed |
VDDOUT current
measurement |
| J9 |
VREFP Selection |
Closed |
VREFP selection between
internal or external voltage reference.
- Opened =
Internal voltage reference1
- Closed =
External voltage reference
|
| J15 |
ERASE |
Open |
Erase pin
configuration |
Note:
- 1.
Warning: If the ADC is configured (via SW) to
use the internal voltage regulator as positive reference (VREFP), the jumper
must be removed to avoid a short circuit.