if ( my_i2c_states == start )
    {
        //Send the start bit. Need to send SDA and SCL
        OEA |= 0xC0;
        PA7 = 0 ;
        my_i2c_states = address;
        tx_i2c_buffer_load  = 0x01;
    }

    else if ( my_i2c_states == address )
    {
        //Check the count of address bits and send remaining bits. After eight bits go to read mode for ACK
        OEA |= 0xC0;
        PA6 = 0;
        tx_i2c_bits ++;
        if(tx_i2c_bits > 7)
        {
            my_i2c_states = address_ack;
            tx_i2c_bits = 0x00;
            __asm
            mov _data_rw_bit, c
            __endasm;

        }
        __asm
        mov a, _tx_i2c_buffer;
        rlc a;
        mov _PA7, c;
        mov _tx_i2c_buffer,a;
        __endasm;
        PA6 = 1;

    }
    else if ( my_i2c_states == address_ack )
    {
        //Read the ACK bit; Go back to address if NAK-ed. Else to data
        PA6 = 0;
        OEA |= 0x40;
        __asm
        mov c, _PA7
        jc 6200$;
            mov a , _data_rw_bit;
            rrc a;
                    jc 6201$;
                    mov _my_i2c_states,#0x07;
                    ajmp 6202$;
                6201$:
                    mov _my_i2c_states,#0x05;
                    ajmp 6202$;
        6200$:
            mov _my_i2c_states, #0x02;
        6202$:
        setb _PA6;
        __endasm;

    }
    else if ( my_i2c_states == data_write)
    {

         //Check the count of address bits and send remaining bits. After eight bits go to read mode for ACK
        OEA |= 0xC0;
        PA6 = 0;
        tx_i2c_bits ++;
        if(tx_i2c_bits > 7)
        {
            my_i2c_states = data_write_ack;
            tx_i2c_bits = 0x00;

        }
        __asm
        mov a, _tx_data_buffer;
        rlc a;
        mov _PA7, c;
        mov _tx_data_buffer,a;
        __endasm;
        PA6 = 1;


    }
    else if ( my_i2c_states == data_read)
    {
        //Check the count of data bits and receive remaining bits. After eight bits go for data read ACK
        OEA |= 0x40;
        tx_i2c_bits ++;
        if(tx_i2c_bits > 7)
        {
            my_i2c_states = data_read_ack;
            tx_i2c_bits = 0x00;
        }
        else
        {
            __asm
            mov a, _rx_i2c_buffer;
            mov c,_PA5;
            rrc a;
            mov _rx_i2c_buffer,a;
            __endasm;
        }
    }
    else if ( my_i2c_states == data_write_ack )
    {
        //Read the ACK bit; Go back to previous data if NAK-ed. Else to next data if present. Else go to stop
        OEA |= 0x40;
        PA6 = 0;
        __asm
        mov c, _PA7
        jc 6203$;
        mov _my_i2c_states, #0x05;
        6203$:
        mov _my_i2c_states,#0x09;
        setb _PA6;
        __endasm;


    }
    else if ( my_i2c_states == data_read_ack )
    {
        //Send the ACK bit. No multiple reads considered.
        OEA |= 0xC0;
        __asm
         clr _PA7;
        __endasm;
        my_i2c_states = stop;
    }
    else if ( my_i2c_states == stop )
    {
        //Send the stop bit
        OEA |= 0xC0;
        PA6 = 1 ;
        PA7 = 1 ;
        my_i2c_states = idle;
    }