bit IIC_writeByte(unsigned char uchData)
{
    unsigned char x = 0;
    bit bAck = 0;

    while(x < 8)
    {
    SCL=0;
        wait5us();
        SDA=(uchData & AND_MASK)>>7;
        uchData=uchData<<1;
        SCL=1
        wait5us();
        x++;
  }
    bAck=SDA;

    return(bAck);
}


-----

unsigned int IIC_read_byte(bit bAck)
{
    unsigned char x = 0;
    unsigned char uchData = 0;

    while(x < 8)
    {
    uchData = (uchData<<1) | (unsigned char)SDA;

  }
    SDA=bAck;

    return(uchData);
}