No Subject

[jfox@xxxxxxxxxx (Jeff Fox)]

P8:

P8 has been developed so far for a client who has not wanted to 
make details public.  However Chuck did talk about P8 at his last
talk at the Silicon Valley FIG.  Here is what is public:

P8 is very very small.  Chuck has said he could have fit 4 of them
on the TINY package for prototyping from ORBIT.  This means the
manufacturing cost etc is very low.  With 8 bits it cannot use the
same mechanism in MuP21 of 4 instructions per word, so the CPU
cannot run 4 times faster than RAM.  To run at 100 mips it would
need very fast SRAM, but they are now cheap.

Chuck suggested that he might get P8 in the same pinout as an SRAM or
PROM.  This could eliminate the  circuit board.  You could layer a P8
between an SRAM and PROM chip to get a system.

Since P8 will only need about 1 square mm the die will cost almost
nothing to manufacture, etc.

The critical issue I see with P8 is the choice of i/o.  Chips like
68hc11 are popular not only becuase of price, but because they have
useful i/o hardware on chip.

Since Chuck is in the custom silicon business there  is almost no
limit to what sort of i/o hardware could be included on the chip.
Timers, interrupts, pwm, analog, etc, etc, etc.  

What will Chuck add to P8?  Well it depends on who wants it and
what they want to do with it.

Jeff Fox
11/16/94