40.8.21 SDHC Normal Interrupt Signal Enable Register

Table 40-23. Register Bit Attribute Legend
Symbol Description Symbol Description Symbol Description
R Readable bit HC Cleared by Hardware (Grey cell) Unimplemented
W Writable bit HS Set by Hardware X Bit is unknown at Reset
K Write to clear S Software settable bit
Name:  NISIER
Offset: 0x38
Reset: 0x0000
Property: -

Bit 15141312111098 
  BOOTAR     CINT 
Access R/WR/W 
Reset 00 
Bit 76543210 
 CREMCINSBRDRDYBWRRDYDMAINTBLKGETRFCCMDC 
Access R/WR/WR/WR/WR/WR/WR/WR/W 
Reset 00000000 

Bit 14 – BOOTAR Boot Acknowledge Received Signal Enable

Note: This register entry is specific to the e.MMC operation mode.
ValueNameDescription
0 MASKED No interrupt is generated when SDHC_NISTR.BOOTAR is set.
1 ENABLED An interrupt is generated when SDHC_NISTR.BOOTAR is set.

Bit 8 – CINT Card Interrupt Signal Enable

Note: This register entry is specific to the SD/SDIO operation mode.
ValueNameDescription
0 MASKED No interrupt is generated when SDHC_NISTR.CINT is set.
1 ENABLED An interrupt is generated when SDHC_NISTR.CINT is set.

Bit 7 – CREM Card Removal Signal Enable

Note: This register entry is specific to the SD/SDIO operation mode.
ValueNameDescription
0 MASKED No interrupt is generated when SDHC_NISTR.CREM is set.
1 ENABLED An interrupt is generated when SDHC_NISTR.CREM is set.

Bit 6 – CINS Card Insertion Signal Enable

Note: This register entry is specific to the SD/SDIO operation mode.
ValueNameDescription
0 MASKED No interrupt is generated when SDHC_NISTR.CINS is set.
1 ENABLED An interrupt is generated when SDHC_NISTR.CINS is set.

Bit 5 – BRDRDY Buffer Read Ready Signal Enable

ValueNameDescription
0 MASKED No interrupt is generated when SDHC_NISTR.BRDRDY is set.
1 ENABLED An interrupt is generated when SDHC_NISTR.BRDRDY is set.

Bit 4 – BWRRDY Buffer Write Ready Signal Enable

ValueNameDescription
0 MASKED No interrupt is generated when SDHC_NISTR.BWRRDY is set.
1 ENABLED An interrupt is generated when SDHC_NISTR.BWRRDY is set.

Bit 3 – DMAINT DMA Interrupt Signal Enable

ValueNameDescription
0 MASKED No interrupt is generated when SDHC_NISTR.DMAINT is set.
1 ENABLED An interrupt is generated when SDHC_NISTR.DMAINT is set.

Bit 2 – BLKGE Block Gap Event Signal Enable

ValueNameDescription
0 MASKED No interrupt is generated when SDHC_NISTR.BLKGE is set.
1 ENABLED An interrupt is generated when SDHC_NISTR.BLKGE is set.

Bit 1 – TRFC Transfer Complete Signal Enable

ValueNameDescription
0 MASKED No interrupt is generated when SDHC_NISTR.TRFC is set.
1 ENABLED An interrupt is generated when SDHC_NISTR.TRFC is set.

Bit 0 – CMDC Command Complete Signal Enable

ValueNameDescription
0 MASKED No interrupt is generated when SDHC_NISTR.CMDC is set.
1 ENABLED An interrupt is generated when SDHC_NISTR.CMDC is set.