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FX
-J1939 User's Manual
3U
BFM No.
BFM #974 to #999
BFM #1000 to #1066
BFM #1067 to #1099
BFM #1100 to #1267
BFM #1268 to #1269
BFM #1270 to #1272
BFM #1273 to #1279
BFM #1280 to #1284
BFM #1285 to #1299
BFM #1300 to #1799
BFM #1800 to #1899
BFM #1900 to #1927
BFM #1956 to #2999
BFM #3000 to #3879
*1.
Only bit 2 in BFM #25 is stored to built-in flash ROM.
*2.
The state of buffer memory is stored in the built-in flash ROM by turning on BFM #22 bit 0. The buffer
memories that are stored depend on the function mode (BFM #21).
For further information, refer to the following section.
*3.
Refer to the following items for each function mode.
Description
Not used
Command interface
Not used
Pre-defined Layer 2 message configuration
Not used
Layer 2 RTR flags
Not used
Manual transmit trigger flags
Not used
Send/receive data buffer for extended messages
Not used
PLC RUN>STOP messages
Not used
Remote Address to ECU Name assignment
When using J1939 communication mode, refer to Section 6.1
When using the Layer 2 communication (11/29 bit ID) mode, refer to Section 7.1
5 Allocation of Buffer Memories
5.1 Buffer Memories (BFM) Lists
Stored to
Default
Read/
Flash
value
Write
ROM
-
-
-
K0
R/W
-
-
-
-
*2
-
R/W
-
-
-
K0
R
-
-
-
-
K0
R/W
-
-
-
-
K0
R/W
-
Subsection 6.1.2
-
-
-
Section 5.21 and
*2
-
R/W
-
-
-
*2
K0
R/W
Refer to Section 5.5
1
Reference
-
Chapter 9
2
-
Section 7.2
-
Section 7.3
-
Section 5.20
3
-
-
Chapter 8
-
4
Section 5.22
5
6
7
8
9
10
33
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