NXP Semiconductors K32 L2A Series, Reference Manual, Page: 259 / 1379

Command
Host
Target
ACK
Process command
Initial Response
ACK
Data packet
ACK
Process data
Final data packet
ACK
Final Response
ACK
Process data
Figure 14-4. Command with incoming data phase
NOTE
• The host may not send any further packets while it (the
host) is waiting for the response to a command.
• If the Generic Response packet prior to the start of the data
phase does not have a status of kStatus_Success, then the
data phase is aborted.
• Data phases may be aborted by the receiving side by
sending the final Generic Response early with a status of
Chapter 14 Kinetis ROM Bootloader
K32 L2A Reference Manual, Rev. 2, 01/2020
NXP Semiconductors 259