NXP Semiconductors K32 L2A Series, Reference Manual, Page: 271 / 1379

Table 14-20. Parameters for Call Command
Byte # Command
0 - 3 Call address
4 - 7 Argument word
8 - 11 Stack pointer
Host
Target
ACK: 0x5A A1
ACK: 0x5A A1
Generic Response
0x5A A4 0C 00 79 D0 A0 00 00 02 00 00 00 00 0A 00 00 00
0x5A A4 0C 00 16 5C 0A 00 00 02 D9 0C 00 00 00 00 00 00 00
Call: address=0x00000CD9, arg=0
Figure 14-7. Protocol Sequence for Call Command
Response: The target (Kinetis Bootloader) will return a GenericResponse packet with a
status code either set to the return value of the function called or set to
kStatus_InvalidArgument (105).
14.3.8.2 ReceiveSBFile command
The ReceiveSBFile command (ReceiveSbFile) will start the transfer of an SB file to the
target. The command only specifies the size in bytes of the SB file that will be sent in the
data phase. The SB file will be processed as it is received by the Bootloader .
Table 14-21. Parameters for ReceiveSBFile Command
Byte # Command
0 - 3 Byte count
Data Phase: The Receive SB file command has a data phase; the host will send data
packets until the number of bytes of data specified in the byteCount parameter of the
Receive SB File command are received by the target.
Chapter 14 Kinetis ROM Bootloader
K32 L2A Reference Manual, Rev. 2, 01/2020
NXP Semiconductors 271