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Table 2.13 CAN Connector Pin Assignments
Connector
Name
CN3
(1) How to connect the CAN connector
The jumpers J14, J16 and J17 allow selecting the destinations to which the CAN communication
pins (CTX, CRX) are connected.
Table 2.14 Jumper Usage Conditions (J14, J16 and J17)
Name
Condition
Shorted
between 1–2
J14
Shorted
between 2–3
Shorted
between 1–2
J16
Shorted
between 2–3
Shorted
between 1–2
J17
Shorted
between 2–3
Note: The jumpers J14, J16 and J17 are shorted by jumper parts.
(2) How to select the terminating resistor connection
The jumpers J9 and J11 allow the terminating resistors to be used in the CAN transmission path.
Table 2.15 Selecting the Terminating Resistor Connection (J9, J11)
Name
Condition
Shorted
between 1–2
J9
Open
between 1–2
Shorted
between 1–2
J11
Open
between 1–2
Note: The jumpers J9 and J11 are shorted by jumper parts.
REJ10B0223-0150/Rev.1.50
Pin No
Signal Name
1
CANH1
2
CANL1
3
CANH2
4
CANL2
5
GND
6
—
7
GND
8
—
Default
Connects P221/CRX0/HREQ to the extension connector (CON1)
Uses the CRX0 function in CAN connector CN3
Default
Connects P137/TIN23/CTX1 to the extension connector (CON1)
Uses the CTX1 function in CAN connector CN3
Default
Connects P136/TIN22/CRX1 to the extension connector (CON1)
Uses the CRX1 function in CAN connector CN3
Default
Uses the CAN0 terminating resistor mounted on-board
Does not use the CAN0 terminating resistor mounted on-board
Default
Uses the CAN1 terminating resistor mounted on-board
Does not use the CAN1 terminating resistor mounted on-board
32185/32186/32192/32195/32196 Group
Starter Kit User's Manual M3A-2154G52B
High-level CAN0 input/output port
Low-level CAN0 input/output port
High-level CAN1 input/output port
Low-level CAN1 input/output port
Ground
Unused
Ground
Unused
Description
Description
Mar 2008
Description
Page 50 of 80
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