Firmware User Manual (AE-step)
30
Revision 1.02
2019-04-24
TLE984x Firmware User Manual
Figure 4-9 LIN Communication: Command and Response
shows the LIN frame communication for BSL commands, where data are downloaded over data
blocks and EOT blocks.
Figure 4-10 LIN Communication: Data Command and Response
LIN_FRAME1_UML
Host
BootROM
Master Request Header
Master Request Block (Command)
Slave Response Header
Slave Response Block
<<<< Delay >>>>
Slave Response communication
is not necessary and can
be skipped
Delay for processing and executing BSL command is needed.
Otherwise no response is possible
LIN_FRAME2_UML
Host
BootROM
Master Request Header
Master Request Block (Command)
Slave Response Header
Slave Response Block
Slave Response communication
is not necessary and can
be skipped
Delay for processing and executing BSL command is needed.
Otherwise no response is possible
Master Request Header
Master Request Block (Data)
<<<< Delay >>>>
Master Request Header
Master Request Block (Data)
…
…
…
...
Multiple Master Request Header and Blocks
are sent to download the all required data.
Master Request Header
Master Request Block (EOT)
The last data are always sent
with a EOT block frame.
This EOT triggers the BootROM
command processing
and execution.