55.5.6 TDES Interrupt Status Register

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

Bit 3130292827262524 
          
Access  
Reset  
Bit 2322212019181716 
        SECE 
Access R 
Reset 0 
Bit 15141312111098 
   URAT[1:0]   URAD 
Access RRR 
Reset 000 
Bit 76543210 
        DATRDY 
Access R 
Reset 0 

Bit 16 – SECE Security and/or Safety Event Interrupt Mask

ValueDescription
0

There is no security report in TDES_WPSR.

1 One security flag is set in TDES_WPSR.

Bits 13:12 – URAT[1:0] Unspecified Register Access (cleared by setting bit TDES_CR.SWRST)

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

ValueNameDescription
0 IDR_WR_PROCESSING

TDES_IDATAR written during data processing when SMOD = 0x2 mode.

1 ODR_RD_PROCESSING

TDES_ODATAR read during data processing.

2 MR_WR_PROCESSING

TDES_MR written during data processing.

3 WOR_RD_ACCESS

Write-only register read access.

Bit 8 – URAD Unspecified Register Access Detection Status (cleared by setting TDES_CR.SWRST)

ValueDescription
0

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

1

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

Bit 0 – DATRDY Data Ready (cleared by setting TDES_CR.START or TDES_CR.SWRST, or by reading TDES_ODATARx)

If TDES_MR.LOD = 1: In Manual and Auto modes, the DATRDY flag can also be cleared by writing at least one TDES_IDATARx.

ValueDescription
0

Output data is not valid.

1

Encryption or decryption process is completed.