TCIC_PWR_VPP
if (reg & (TCIC_PWR_VCC(psock)|TCIC_PWR_VPP(psock)))
reg &= ~(TCIC_PWR_VCC(psock) | TCIC_PWR_VPP(psock));
case 0: reg |= TCIC_PWR_VCC(psock) | TCIC_PWR_VPP(psock); break;
case 120: reg |= TCIC_PWR_VPP(psock); break;