TOWER SYSTEM
Jumper
Option
Setting
Description
J1
On-Board
Thermistor RT1
Connect
1-2, 3-4
Connect RT1 circuit to the MC56F827 DSC
none
Disconnect RT1 circuit from the MC56F8257 DSC
J2
On-Board
Thermistor RT2
Connect
1-2, 3-4
Connect RT2 circuit to the MC56F827 DSC
none
Disconnect RT2 circuit from the MC56F8257 DSC
J4
DSC Interrupt
Request Button
IRQ1 Select
1-2
Connect SW1 to MC56F8257 DSC pin GPIOC2/TXD0/TB0/
XB_IN2/CLKO
3-4
Connect SW1 to MC56F8257 DSC pin GPIOF6/TB2/PWM3X
none
Disconnect SW1 from the MC56F8257 DSC
J5
DSC Interrupt
Request Button
IRQ0 Select
1-2
Connect SW2 to MC56F8257 DSC pin
GPIOF8/RXD0/TB1
3-4
Connect SW2 to MC56F8257 DSC pin
GPIOF7/TB3
none
Disconnect SW2 from the MC56F8257 DSC
J6 and
J7
Power Choice
Selection for
3.3V Source
J6-1 to J7-2
Connect the on-board voltage regulator to the P3_3V power rail
J7-1 to J7-2
Connect P3_3V_MOTOR to the P3_3V power rail (power the 3.3V
rail from the motor control connector)
J7-2 to J7-3
Connect P3_3V_ELEV to the P3_3V power rail (power the 3.3V rail
from the tower connector)
J7-2 open
Disconnect the P3_3V power rail – no power
TWR-MC56F8257 Jumper Options
The following is a list of all the jumper options. The
default
installed jumper settings are shown in bold.
To learn more about other Tower System
controller and peripheral modules, visit
freescale.com/tower
.
Become a member of the online
Tower Geeks community at
towergeeks.org
.
