1.7.3 PIC32CXMTC + ATSENSE301, PGA = 4, CH0: I_N, CH1: I_A, CH2: V_A, CH3: I_B, CH4: V_B, CH5: I_C, CH6: V_C

AFE_SELECTION = 0x00000000

AFE_CTRL_0 = 0x000000AA

CHANNEL_MATRIX = 0xF5432106