Any number of vendors makes a SPI bus compatible ADC. All of the vendors have
application notes to show you how to do this.
Check TI, Microchip, Analog Devices, etc...
Lots of example schematics out on the net.
--- In l..., Soori wrote:
>
> hi,
>
> i want to interface adc externally to lpc2148.plz any one help me.
> thanks & regards,
> suresh
>
>
