FUNCTIONAL DESCRIPTION
FUNCTIONAL INTERNAL BLOCK DESCRIPTION
DR1PWM DR1_MODE
VB+
34920
DR1
DR1A1
DR1B1
Phase A H-Bridge
SDR1_DIR_PH A
SDR1_CURR_I1 PHASEA
SDR1_CURR_I0 PHASEA
DR1SENSE1
Step
DR1_DIR_DCM
Motor
DR1A2
DR1B2
Phase B H-Bridge
SDR1_DIR_PH_B
DR1SENSE2
SDR1_CURR_I1_PHASEB
SDR1_CURR_I0_PHASEB
Figure 7. Simplified Step Application Diagram Showing 1 of 2 Step Drive Circuits
34920
Analog Integrated Circuit Device Data
Freescale Semiconductor
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