22.6.16 RTC Tamper Control Register

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

Name: RTC_TCR
Offset: 0x34
Reset: 0x00000000
Property: Read/Write

Bit 3130292827262524 
          
Access  
Reset  
Bit 2322212019181716 
       FGPBRCLRTAMPCLR 
Access R/WR/W 
Reset 00 
Bit 15141312111098 
          
Access  
Reset  
Bit 76543210 
    TAMPEN4TAMPEN3TAMPEN2TAMPEN1TAMPEN0 
Access R/WR/WR/WR/WR/W 
Reset 00000 

Bit 17 – FGPBRCLR Full GPBR Clear

ValueNameDescription
0 HALF

If TAMPCLR is set to ‘1’, a tamper event immediately clears GPBR0 to GPBR11.

1 FULL

If TAMPCLR is set to ‘1’, a tamper event immediately clears all GPBRs.

Bit 16 – TAMPCLR Tamper Clear

ValueNameDescription
0 NOT_ENABLE

A Tamper event does not create an immediate clear on GPBR registers.

1 ENABLE

Tamper event on TMP0 or TMP4 generates an immediate clear on GPBR registers. The number of cleared GPBR registers depends on the value of FGPBRCLR.

Bits 0, 1, 2, 3, 4 – TAMPENx Tampering of TMPx input enabled

ValueNameDescription
0 TIMESTAMP_OFF Tamper event on TMPx input is not timestamped.
1 TIMESTAMP_ON Tamper event on TMPx input is timestamped.