13.2.2.6.2 POLL Command

All command bytes except the POLL command are stored in the receive FIFO. Once received, the CMD interrupt is generated. The command size can be set by the Table 13-23 register and can be 1 to 32 bits wide, although typically commands and data will be 8 bits wide. The POLL command is encoded as 0xFF and is the only encoded command. All other command byte encodings are user defined. If a POLL command is received, the contents of the Table 13-24 register are sent back to the master and the POLL command is discarded. It will not be stored in FIFO.