15.5.13 SUPC Interrupt Status Register

Name: SUPC_ISR
Offset: 0x34
Reset: 0x00000000
Property: Read-only

Bit 3130292827262524 
          
Access  
Reset  
Bit 2322212019181716 
       VBATSMEVVDD3V3SMEV 
Access RR 
Reset 00 
Bit 15141312111098 
          
Access  
Reset  
Bit 76543210 
    LPDBC4LPDBC3LPDBC2LPDBC1LPDBC0 
Access RRRRR 
Reset 00000 

Bit 17 – VBATSMEV VBAT Supply Monitor Event Interrupt Status (cleared on read)

The VBAT voltage event is reported if SUPC_BMR.VBATREN=1.
ValueDescription
0

No VBAT voltage drop down event has occurred since the last read of SUPC_ISR.
1

At least one VBAT voltage drop down event has occurred since the last read of SUPC_ISR.

Bit 16 – VDD3V3SMEV VDD3V3 Supply Monitor Event Interrupt Status (cleared on read)

The VDD3V3 supply monitor event occurs if SUPC_SMMR.IOSMSMPL > 0.
ValueDescription
0

No VDD3V3 supply monitor event has occurred since the last read of SUPC_ISR.
1

At least one VDD3V3 supply monitor event has occurred since the last read of SUPC_ISR.

Bits 0, 1, 2, 3, 4 – LPDBCx WKUPx Pin Tamper Detection Interrupt Status (cleared on read)

ValueDescription
0

No tamper detection event has occurred on WKUPx since the last read of SUPC_ISR.
1

At least one tamper detection event has occurred since the last read of SUPC_ISR.