ISENA1HOME2DIR3AOUT14DECAY5RCA6GND7VREF8RCB9VCC10BOUT111USM112USM013ISENB14VMB15SRn16RESETn17BOUT218STEP19VGD20GND21VCP22CP123CP224AOUT225ENABLEn26SLEEPn27VMA28PAD29