SWRU437B September 2015 – June 2020 WL1801MOD , WL1805MOD , WL1807MOD , WL1831MOD , WL1835MOD , WL1837MOD
Make sure all of the critical supplies are in the range of the following expected values:
| Pin No | Name | Description | Frequency [Hz] | Amplitude [V] | Current [mA] |
|---|---|---|---|---|---|
| – | DC_IN | Depends on the system | |||
| 36 | Slow Clock | External 32 kHz slow clock | 32K | 1.8 | – |
| 46,47 | VBAT(1) | DC supply range for all modes | – | 3.3-3.6 | 1000 |
| 38 | VIO | I/O ring power supply voltage | – | 1.8 | 200 |