3.2.2.12 Power Supply Settings
The ATA8210/15 can be operated by a wide range of supply voltages from VS = 1.9-5.5V.
A built-in voltage monitor can be enabled by setting the EEPROM variable eepConfValid.confVMCSR.VMIM to ‘1’. If the supply voltage drops below the threshold that is configured in eepConfValid.confVMCSR.VMLS[3:0], the event flag “LOWBATT” is raised in the event byte “system”. This can be suppressed by setting the EEPROM variable eepTrxConf.sysConfig.LOWBATTdisable to ‘1’.
If the analog voltage (AVCC) drops below a certain threshold voltage (typically 100 mV below the nominal AVCC voltage), the event flag “AVCCLOW” is raised in the event byte “system”. This can be suppressed by setting the EEPROM variable eepTrxConf.sysConfig.AVCCdisable to ‘1’.
See sEEPromTrxConfig eepTrxConf, sEEPromConfigValid eepConfValid and Power Management from Related Links.
| Address | Name | Bit 7 | Bit 6 | Bit 5 | Bit 4 | Bit 3 | Bit 2 | Bit 1 | Bit 0 |
|---|---|---|---|---|---|---|---|---|---|
| 0x0017 | sysConfig | — | — | — | — | SFIFO_OFL_UFL_RX_disable | DFIFO_OFL_UFL_RX_disable | AVCC disable | LOWBATT disable |
| 0x000A | confVMCSR | — | — | VMF | VMIM | VMLS[3:0] | |||