Re: Chip-Level Question Message #3 Posted by Marcus von Cube, Germany on 18 Mar 2011, 4:06 p.m., in response to message #2 by Eric Smith
The newer ARM based HPs (12C, 20b, 30b) use a 32 bit core. The "processor" is in fact an all in one solution with all necessary functionality on one chip, including memory.
TI introduced this technology in the early days of the TI-30, the LED model. A single chip, bonded directly to the board which carried the LED bar on its back, contained the complete calculator. The functionality has of course vastly increased over the years. We can assume that the chip contains a processor and its firmware but you can't tell from the outside.
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