NXP Semiconductors K32 L2A Series, Reference Manual, Page: 291 / 1379

Data Phase: The WriteMemory 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
WriteMemory command are received by the target.
Response: The target (Kinetis Bootloader ) will return a GenericResponse packet with a
status code set to kStatus_Success upon successful execution of the command, or to an
appropriate error status code.
14.3.8.16 ReadMemory command
The ReadMemory command returns the contents of memory at the given address, for a
specified number of bytes. This command can read any region of Flash memory,
SRAM_L and SRAM_U memory accessible by the CPU and not protected by security.
The start address and number of bytes are the 2 parameters required for ReadMemory
command.
Table 14-49. Parameters for ReadMemory command
Byte Parameter Description
0-3 Start address Start address of memory to read from
4-7 Byte count Number of bytes to read and return to caller
Chapter 14 Kinetis ROM Bootloader
K32 L2A Reference Manual, Rev. 2, 01/2020
NXP Semiconductors 291