Accessory 24M2A
appendix A: Jumpers 89
APPENDIX A: JUMPERS
Remove jumper to disable ability to perform Lattice
Download.
Jump pins 1 and 2 to enable ability to download.
Remove jumper to enable Watchdog Timer.
Jump pins 1 and 2 to disable Watchdog Timer (for test
purposes only)
CPU Mode
Operation/Bootstrap
Jump pins 1 and 2 for firmware download through USB port.
Jump pins 2 and 3 for normal operation.
Buffer Request
Select Polarity
Remove jumper to allow BRSEL- to 5Vdc
Jump pins 1 and 2 to pull BRSEL- to 0Vdc
Encoder / Pulse and
Direction Ch1
Remove jumper to enable +/-10V analog output on Ch1
Jump pins 1 and 2 to enable Stepper mode output for Ch1
Encoder / Pulse and
Direction Ch2
Remove jumper to enable +/-10V analog output on Ch1
Jump pins 1 and 2 to enable Stepper mode output on Ch2
Stepper Drive
Amplifier Enable
Ch1
Remove jumper to receive encoder C-Channel input on Ch1.
Jump pins 1 and 2 to provide Amp Enable line for Stepper
Motor-style amplifier Ch1.
Stepper Drive
Amplifier Enable
Ch2
Remove jumper to receive encoder C-Channel input on Ch2.
Jump pins 1 and 2 to provide Amp Enable line for Stepper
Motor-style amplifier Ch2.
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