CEB-V850ES/FJ3·SJ3 Evaluation Board HardwareUser’s Manual
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4. CAN expansion board
The CAN expansion board (CAN-EXT BOARD) is a board for CAN interface expansion developed for the
CEB-V850ES/FJ2.
(As standard, it is not attached. Moreover, extension of CAN I/F cannot be performed in CEB-V850ES/SJ3.)
4.1 Specifications
The CAN expansion board, which expands the number of CAN channels by 2 channels, is used connected
to the J5 and J6 connectors of the CEB-V850ES/FJ3.
4.2 Block
diagram
P 6 5 /C TXD 2
P6 6/ C R XD2
P6 0
P6 7/CTXD 3
P 6 8/C R XD 3
P 6 1
CAN expansion board (CAN-EXT BOARD) block diagram
connector
Ｊ
5 , J 6
V850ES /FJ 3
Evaluation CPU
board
C AN
co n n e cto r
C AN
co n n e cto r
CAN termination
Resistance
( connect /open)
enable
C AN
t ransc eiver
IC
C AN
IC
JP
JP
connector
J 3 , J 4
CAN expansion board
mating
)
t rans ceiv er
CAN termination
Resistance
( connect/open)
enable
Figure 4.2
