Firmware User Manual (AE-step)
35
Revision 1.02
2019-04-24
TLE984x Firmware User Manual
Figure 4-13 BSL RAM Read Access Frame Examples
LIN_FRAME_RAM_ READ_EXAMPLES
.
Read RAM Data
Host
BootROM
Master Request
Header &
Header Block:
EOT Block:
<<< Delay >= BSL command processing time >>>
*)
Length:
- 1-byte field
- Max. value: 129
D
- Min. value: 1
D
- Describes the amount of following bytes in the frame.
Num:
- 1-byte field
- Number of data bytes the host wants to read or write
(exchanged by data & EOT block frames)
Data Bytes:
- Data bytes read or written
Address:
- 24-bit RAM offset to read data
SYN
0x55
0x3C
NAD Length
*)
0x84
Address
*)
Res
Num
*)
CHKS
Data Block:
NAD Length
*)
0x00
Data Bytes
*)
CHKS
…
<<< Multiple Slave Response Header & Data Blocks >>>
...
NAD Length
*)
0x80
Data Bytes
*)
Slave Response Header:
SYN
0x55
0x7D
Data Block:
NAD Length
*)
0x00
Data Bytes
*)
CHKS
Slave Response Header:
SYN
0x55
0x7D
Slave Response Header:
SYN
0x55
0x7D
CHKS
<<< Delay >= Message timing contrains >>>
<<< Delay >= Message timing contrains >>>
<<< Delay >= Message timing contrains >>>
