GND1INA+2INA-3GND4MODE5GND6INB+7INB-8GND9GND10INC+11INC-12GND13GND14GND15IND+16IND-17GND18C019C120C221C322C423D024D125D226D327D428OUTD-29OUTD+30+5VD31ENBD32+5VC33OUTC-34OUTC+35ENBC36ENBB37OUTB-38OUTB+39+5VB40ENBA41+5VA42OUTA-43OUTA+44A4/SDO45A3/SDI46A2/CSb47A1/CLK48A049B450B351B252B153B054GND55