VS1OA22GND3OA14VS5VCP6CPO7CPI8REFR9REFL10CLK11CSN12SCK13SDI14SDO15VS16OB117GND18OB219VS20SLEEPN21DO022ENCB23ENCA24VCC_IO25VDD26IREF27ENCN/OVN28DO129DRV_ENN30EP31