void _Chip_GPIO_Wr_Conf_Pin (uint32_t Port, uint32_t Pin, uint8_t Reg_Idx, const _Chip_IO_Spec_t *Reg_Val)  // write to register Reg_Idx value Reg_Val
{
    uint32_t tmp = 0;
    uint8_t Remap[_CHIP_GPIO_LAST_PIN+1] = _CHIP_IOCON_REMAP;

    // ToDo: switch ON Clock for IOCON via SYSAHBCLKCTR0
    SYSCON->SYSAHBCLKCTRL0 |= SYSCON_SYSAHBCLKCTRL0_IOCON(1);                       // run IOCON

    SYSCON->SYSAHBCLKCTRL0 |= SYSCON_SYSAHBCLKCTRL0_SWM(1);                         // run SWM


    tmp = *(&IOCON->PIO[Remap[(Port * 32) + Pin]]);                                 // read original value of the IOCON
    tmp &= 0xffff0000;                                                              // clear lower 2 bytes
    tmp |= Reg_Val->IOCON_Reg;                                                      // spodny - 0 byte nasav zadanou hodnotou

    IOCON->PIO[Remap[(Port * 32) + Pin]] = tmp;                                     // and write to IOCON

    uint8_t reg1 = Reg_Val->SWM_Reg;                                                // nacitaj prvu SWM hodnotu
    uint8_t reg2 = Reg_Val->SWM_Pin;                                                // nacitaj druhu SWM hodnotu
    if(reg2 == 0xff)                        // write to pinenable                   // ak je druha hodnota SWM = 0xff, zapisujeme do PIN_ENABLE registra
    {
        if ( reg1 != 0xff)                                                          // ak je neaktivny = 0xff, nerob nic
            _Chip_SWM_EnableFixedPin ((uint8_t)reg1);                               // ak je pin aktivny - zapis hodnoty do LPC_SWM->PINENABLEx (nuluje zadany pin)
    }
    else                                    // pin movable
    {
        _Chip_SWM_MovablePinAssign((uint8_t) reg1, reg2);                           // premapovanie pinu z Reg_Val[2] na pin z Reg_Val[3]
    }

    SYSCON->SYSAHBCLKCTRL0 &= ~SYSCON_SYSAHBCLKCTRL0_IOCON(1);                      // stop IOCON

    SYSCON->SYSAHBCLKCTRL0 &= ~SYSCON_SYSAHBCLKCTRL0_SWM(1);                        // stop SWM

}