Lpc2000

Hi All,

I am looking for block diagrams and operation and suggested usage 
detials on the LPC ADCs?

Both the UM and DS are a little light on for detials.

What is the ADC input impedance?

How does the FIFO operate.

Question
Is the 2124 and 2114 ADC modeled on the 80C552?

Thanks in advance

Joe.G