3-16
CAN232 FD User Manual
3.1.2.2 CAN FD Messages
The tables below show the Binary message format for CAN FD. The
FD
feature must be enabled under
can
settings to support these commands.
The Length field is now a Length Code for FD data lengths up to 64 bytes. When FD=1, then BIT-6 is
interpreted as the BRS flag. The BRS flag indicates whether Bit Rate Switching is active for the message
and data transmission is at the higher data rate.
STD-NORMAL FD Message Format
BIT-7
BIT-6
BIT-5
BIT-4
BIT-3
BIT-2
BIT-1
BIT-0
Byte-0
1
1
1
1
1
1
1
1
SYNC
Byte-1
0
0
0
0
0
0
0
0
Byte-2
EXT=0
BRS
FD=1
SELF-
RCV
LENGTH CODE
TYPE
Byte-3
0
0
0
0
0
ID (10 -8)
ID
Byte-4
ID (7-0)
Byte-5
DATA-0
DATA
Byte-6
DATA-1
Byte-7
DATA-2
Byte-8
DATA-3
Byte-9
DATA-4
Byte-10
DATA-5
:
:
Byte-n
DATA-N
Summary of Contents for CAN232 FD
Page 1: ...CAN232 FD User Manual Revision B January 13 2020 ...
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