Last Friday we got a chance to meet a Microchip VP (SMTD division)
I was asking a problem regarding why Microchip could not add fast 
ADCs to PIC MCU (other than dsPICs) like those in Silabs C8051F3xx. 
He told me it was an architecture problem.

I could understand that why Microchip can not put a MCU into
a 3mmx3mm small package like C8051F30x (bigger die than 8051 and
process related issues) but I am not so sure why Microchip can 
not put a fast ADC (10 bit and >= 200ksps). What could be 
the problem?

By the way, it is good that now Microchip starts to offer 
4mmx4mm PICs in the 8/14/20 pin family. The features and price
are both okay. We may look at PICs again after switching to 
Silabs for some new projects.

Regards,
Xiaofan
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