SD/MMC/SDIO Registers: Difference between revisions
| Line 167: | Line 167: | ||
21 SFUF MFUF TXUNDERRUN HOST tried read empty | 21 SFUF MFUF TXUNDERRUN HOST tried read empty | ||
22 SCTO MCTO CMDTIMEOUT Response start-bit timeout (NRS,NSR) | 22 SCTO MCTO CMDTIMEOUT Response start-bit timeout (NRS,NSR) | ||
23 | 23 ??? 0 Unknown/undoc (usually set) (zero after sending TX data?) | ||
24 SBRE MBRE RXRDY (fifo not empty) (request data read) | 24 SBRE MBRE RXRDY (fifo not empty) (request data read) | ||
25 SBWE MBWE TXRQ (datafifoempty?) (request data write) | 25 SBWE MBWE TXRQ (datafifoempty?) (request data write) | ||