27.7.4 SHDWC Wake-up Inputs Register

Name: SHDW_WUIR
Offset: 0x0C
Reset: 0x00000000
Property: Read/Write

This register can only be written if the WPEN bit is cleared in the System Controller Write Protection Mode Register (SYSC_WPMR).

Bit 3130292827262524 
          
Access  
Reset  
Bit 2322212019181716 
   WKUPT5WKUPT4WKUPT3WKUPT2WKUPT1WKUPT0 
Access R/WR/WR/WR/WR/WR/W 
Reset 000000 
Bit 15141312111098 
          
Access  
Reset  
Bit 76543210 
   WKUPEN5WKUPEN4WKUPEN3WKUPEN2WKUPEN1WKUPEN0 
Access R/WR/WR/WR/WR/WR/W 
Reset 000000 

Bits 16, 17, 18, 19, 20, 21 – WKUPTx Wake-up Input x Type

Note: As the Security Module event is connected to the WKUP1 wake-up input, WKUPT1 must be set to 1.
ValueNameDescription
0 LOW

A falling edge followed by a low level on the corresponding wake-up input, for a period defined by WKUPDBC, forces wake-up of the core power supply.

1 HIGH

A rising edge followed by a high level on the corresponding wake-up input, for a period defined by WKUPDBC, forces wake-up of the core power supply.

Bits 0, 1, 2, 3, 4, 5 – WKUPENx Wake-up Input x Enable

ValueNameDescription
0 DISABLE

The corresponding wake-up input has no wake-up effect.

1 ENABLE

The corresponding wake-up input forces wake-up of the core power supply.