GND44TST_MODE43STEP42DIR41VCC_IO40GND39SG_TST38TST_ANA37VS36VHS35NC34NC33OB132OB131VSB30OB229OB228OB127OB126BRB25OB224OB223SRB22CLK21NC20ENN19CSN18GND17SCK16SDI15SDO145VOUT13SRA12OA211OA210BRA9OA18OA17OA26OA25VSA4OA13OA12NC1