52.6.6 TZAESB Interrupt Status Register

Name: TZAESB_ISR
Offset: 0x1C
Reset: 0x00000000
Property: Read-only

Bit 3130292827262524 
          
Access  
Reset  
Bit 2322212019181716 
     SECE    
Access R 
Reset 0 
Bit 15141312111098 
 URAT[3:0]   URAD 
Access RRRRR 
Reset 00000 
Bit 76543210 
          
Access  
Reset  

Bit 19 – SECE Security and/or Safety Event

ValueDescription
0

There is no security report in TZAESB_WPSR.

1

One security flag is set in TZAESB_WPSR.

Bits 15:12 – URAT[3:0] Unspecified Register Access

Only the last Unspecified Register Access Type is available through URAT.

URAT is reset only by TZAESB_CR.SWRST.

ValueNameDescription
0 IDR_WR_PROCESSING

Input Data register written during the data processing

1 ODR_RD_PROCESSING

Output Data register read during the data processing

2 MR_WR_PROCESSING

Mode register written during the data processing

3 ODR_RD_SUBKGEN

Output Data register read during the sub-keys generation

4 MR_WR_SUBKGEN

Mode register written during the sub-keys generation

5 WOR_RD_ACCESS

Write-only register read access

Bit 8 – URAD Unspecified Register Access Detection Status

URAD is reset only by TZAESB_CR.SWRST.

ValueDescription
0

No unspecified register access has been detected since the last SWRST.

1

At least one unspecified register access has been detected since the last SWRST.