TOWER SYSTEM
11
Jumper
Option
Setting
Description
J12
Unused
Open
Unused
J15
CAN
Termination
Enable
1–2
Connect the 120 ohm CAN termination resistor
Open
No CAN termination
J16
CAN Enable
1–2, 3–4
Connect the CAN transceiver TXD and RXD to
MC56F8200 DSC pins GPIOC11/CANTX/SCL1/TXD1
and GPIOC12/CANRX/SDA1/RXD1
Open
Disconnect the CAN transceiver
J17
MC9S08JM60
Bootload
Enable
1–2
Enable USB bootloading of the MCU flash memory
Open
Disable bootloading
J19
Thermistor RT3
Connect
1–2, 3–4
Connect RT3 circuit to the MC56F82748
None
Disconnect RT3 circuit from the MC56F82748
J20
OSBDM
Enable
1–2
Enable OSBDM function
None
Enable USB serial bridge function
J21
OSBDM
Connect to
JTAG
1–2, 3–4,
5–6, 7–8
Connect the OSBDM debug signals (JTAG) to the
MC56F82748 JTAG pins
None
Disconnect OSBDM from the MC56F82748
J23
Thermistor RT4
Connect
1–2, 3–4
Connect RT4 circuit to the MC56F82748
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