EPROM emulator

[steve ravet]

> PICs have a serial port built in, and up to 5 I/O ports (8 bits).  The
> PIC alone can handle reading from the serial port and writing to the
> RAM.
> 
> I have attached to this email a .jpg of the OE circuit I talked about
> earlier.  It's 10k in size...

Probably should have wrote a little more about that.  OE comes from the
ECM.  OE_CTL comes from the PIC, and is toggled to select RAM or FLASH. 
It's synchronized to OE to prevent changes during a read cycle.

--steve

-- 
Steve Ravet
steve.ravet at arm.com
Advanced Risc Machines, Inc.
www.arm.com