KIT33905 Evaluation Boards
, Rev. 2.0
8
Freescale Semiconductor
Hardware Configuration
6.2
Jumper Connections
6.3
CAN Termination Configurations
Figure 4. CAN Termination Configurations Via J13 Socket
Name
Description
J15
VDD Status
Jumper closed -> LED indicator enabled
J21
V
SUP
source connection
Jumper closed -> V
SUP
connected to V
SUP
2
J22
MUX pin output
Jumper closed -> external 2.4 kohm resistor pull-down to GND implemented
J23
I/O0 configuration
1-2 closed -> 4.7 kohm pull-down resistor to GND and indicator LED implemented
2-3 closed -> 15 kohm pull-up resistor to V
SUP
and indicator LED implemented
J24
I/O1 configuration
1-2 closed -> 4.7 kohm pull-down resistor to GND and indicator LED implemented
2-3 closed -> 15 kohm pull-up resistor to V
SUP
and indicator LED implemented
J27
DBG configuration
Jumper closed -> SBC runs in debug mode (no need to refresh/monitor watchdog)
J28 MUST be left open
J28
DBG external pull-down resistor configuration
Jumper closed -> 47 kohm pull-down resistor to GND implemented
J27 MUST be left open