40.8.13 SDHC Wakeup Control Register: SD/SDIO
| 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: | WCR |
| Offset: | 0x2B |
| Reset: | 0x00 |
| Property: | - |
| Bit | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | |
| WKENCREM | WKENCINS | WKENCINT | |||||||
| Access | R/W | R/W | R/W | ||||||
| Reset | 0 | 0 | 0 |
Bit 2 – WKENCREM Wake-up Event Enable on Card Removal
This bit enables a wake-up event via Card Removal (CREM) in SDHC_NISTR. FN_WUS (Wake-Up Support) in the CIS (Card Information Structure) does not affect this bit.
| Value | Name | Description |
|---|---|---|
| 0 | DISABLED | Wake-Up Event disabled |
| 1 | ENABLED | Wake-Up Event enabled |
Bit 1 – WKENCINS Wake-Up Event Enable on Card Insertion
This bit enables a wake-up event via Card Insertion (CINS) in SDHC_NISTR. FN_WUS (Wake-Up Support) in the CIS (Card Information Structure) does not affect this bit.
| Value | Name | Description |
|---|---|---|
| 0 | DISABLED | Wake-Up Event disabled |
| 1 | ENABLED | Wake-Up Event enabled |
Bit 0 – WKENCINT Wake-Up Event Enable on Card Interrupt
This bit enables a wake-up event via Card Interrupt (CINT) in SDHC_NISTR. This bit can be set to 1 if FN_WUS (Wake-Up Support) in the CIS (Card Information Structure) is set to 1 in the SDIO card.
| Value | Name | Description |
|---|---|---|
| 0 | DISABLED | Wake-Up Event disabled |
| 1 | ENABLED | Wake-Up Event enabled |