ARM IM-AD1 - Manual (Page 35)

Hardware Reference
ARM DUI 0163B Copyright © 2001-2003. All rights reserved. 3-11
Table 3-7 shows the signal assignment.
Table 3-7 Stepper motor connector signals
Pin J19 J23 Description
1 STEP1_VSS STEP2_VSS Stepper motor supply
2 STEP1_O1 STEP2_O1 Stepper motor drive output 1
3 STEP1_O2 STEP2_O2 Stepper motor drive output 2
4 STEP1_O3 STEP2_O3 Stepper motor drive output 3
5 STEP1_O4 STEP2_O4 Stepper motor drive output 4
6 STEP_GND STEP_GND Stepper motor ground