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Silicon Labs EFM32: What are the series resistor values for the BU_VOUT pins (PWRCONF_VOUTSTRONG, PWRCONF _VOUTMIDIUM, PWRCONF _VOUTWEAK) in the backup power domain?
EFx32
The backup power domain is connected to the BU_VOUT pin through a series resistor. Its resistance value is configurable in the EMU_PWRCONF register.
See the table below for the correlation between settings and resistance values.
| register | Resistance values |
| PWRCONF_VOUTSTRONG | 90Ω |
| PWRCONF_VOUTMIDIUM | 900Ω |
| PWRCONF_VOUTWEAK | 8.5 kΩ |
Please refer to the Silicon Labs community site for the latest information.
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