5.4 Command Protocol
words, the host should receive the relevant sector of data (512 bytes of uninsured dummy data) or release the DRQ status by resetting.
Figure 5.3 shows an example of READ SECTOR(S) command protocol, and Figure 5.4 shows an example protocol for command abort.
Figure 5.3 Read Sector(s) command protocol
IMPORTANT
For transfer of a sector of data, the host needs to read Status register (X’1F7’) in order to clear INTRQ (interrupt) signal. The Status register should be read within a period from the DRQ setting by the
