TOWER SYSTEM
Jumper Options
The following is a list of all the jumper options. The default installed jumper settings are shown in bold.
Jumper
J3
J4
J5
J6
J7
J10
Option
Default Clock Mode 
Selection (CLKMOD1)
MCU Power Connection
Clock Input Source 
Selection
Default Clock Mode 
Selection (CLKMOD0)
Peripheral Selection
Default Clock Mode 
Selection (XTAL)
Setting
1-2
2-3
ON
OFF
1-2
2-3
1-2
2-3
1-2
3-4
5-6
7-8
9-10
11-12
13-14
15-16
1-2
2-3
OFF
Description
Disable PLL at startup
Enable PLL at startup
Supply 3.3V to MCU
Isolate MCU from power (connect an ammeter to 
measure current)
Connect EXTAL to the on-board crystal
Connect EXTAL to the CLKIN0 signal on the elevator 
connector
Do not use crystal oscillator at startup
Use crystal oscillator at startup
Connect AN3 to Potentiometer
Connect TIN3/TOUT3/PWM6 to LED4
Connect TIN2/TOUT2/PWM4 to LED3
Connect TIN1/TOUT1/PWM2 to LED2
Connect TIN0/TOUT0/PWM0 to LED1
Connect AN2 to accelerometor Z-access
Connect AN1 to accelerometor Y-access
Connect AN0 to accelerometor X-access
Bypass crystal oscillator at startup (if CLKMOD0 = 0)
Enable internal relaxation oscillator at startup (if
CLKMOD0 = 0)
Use crystal oscillator at startup
相关PDF资料
TWR-MPC5125-KIT TOWER SYSTEM KIT MPC5125
TWR-MPC8309 TOWER SYSTEM MODULE MPC8309
TWR-PXN20-KIT TOWER SYSTEM KIT PXN20
TWR-PXS2010-KIT TOWER SYSTEM KIT PXS2010
TWR-PXS3020-KIT TOWER SYSTEM KIT PXS3020
TWR-S08DC-PT60 TOWER SYSTEM BOARD S08PT60
TWR-S08JE128-KIT KIT TOWER FOR MC9S08JE
TWR-S08LH64 TOWER SYSTEM S08LH64
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