DEMO9S12PFAME User's Manual
7 Summary of Jumper and Connector
Settings
7.1 Jumpers
Name Reference
Description/Pinout
J104
VAUX ENABLE
Installed:
Power the demonstration board
through the VDD line of the carrier
board (connects the pin 1 of the J101
connector to the VDD line of the
demonstration board) (default)
Not Installed:
The demonstration board is not powered
by the carrier board.
J202
RESET#
BKGD
1
BDM ENABLE
All installed:
The USB to BDM interface is enabled
(default)
Not Installed:
The USB to BDM interface is disabled
J304
LIN ENABLE
Installed:
The microcontroller’s PA7 line is
routed to the LIN transceiver (default)
Not Installed:
The LIN transceiver is not connected to
the microcontroller
J305
1
2
4
6
3
5
RS-232/LIN SELECTION
1-3, 2-4 (“RS-232”): The RS-232 transceiver is connected
to the microcontroller’s SCI peripheral
(default)
3-5, 4-6 (“LIN”):
The LIN transceiver is connected to the
microcontroller’s SCI peripheral
J401
VDD CAN ENABLE
Installed:
Powers the CAN transceiver with the
VDD voltage (default)
Not Installed:
CAN transceiver not powered
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