Hi All
design by comittee is always a mess , and frankly we're doing
pretty well compared to some so-called professional committees i've
seen...
but...
the question of feature priority and location keeps churning up
ie:
--- In
ComputerVoltageSources@yahoogroups.com, "Gary Chang"
<gchang@...> wrote:
>
> I personally think that Andrew's quest for on board memory, and
> whatever ancillary hardware is necessary to do so is more important
> that to contribute real estate to provide cursor control.
>
> If it were one thing or the other, I would choose the on board memory
> over the lcd display....
>
so....
in service of the engineers natural instinct to distinguish and
organize, John did us all the favor of suggesting some basic nomenclature.
to wit:
CVS PCB = New custom PCB designed by Harry to populate the BASIC ATOM
PROand associated circuitry
LCD Support PCB = New custom PCB to contain intermediary crocontroller
(ATMEGA proposed by Dave) to translate serial/MIDI from CVS PCB to LCD
Assembly parallel format.
LCD Assembly = Piece as bought from Lumex/Mouser/Digi-Key. Includes
theSamsung LSI controller.
now here's the latest status of these critters (somebody PLEASE
correct me if i'm off track here)
----------------------------------------------------------------
Real estate on the CVS PCB will be given to:
The BasicAtomPro
The DACs
The ADCs and supporting circuitry for
the following panel features
Jacks:
1 v/oct in 1-4
Variable CV in 1-4
CV out 1-4
Run Pulse in
Stop Pulse in
Gate out jack
Trig out jack
Gate in jack
Trig in jack
Pushbuttons:
Run / Stop
Knobs:
CV offset 1-4
CV attenuator 1-4
5 pin DIN:
MIDI in
MIDI out
DIN in or out
DB9 for programing interface
thus hardware support for MIDI & DIN sync will be on the CVS PCB
My reading of the posts indicates that these features were included
because they require very little hardware to support
everything else is 'peripheral'
------------------------------------------------------
real estate on the LCD Support PCB will be used to support the LCD and
it's associated controller
This will be an OPTIONAL addition to the CVS PCB
------------------------------------------------------
the features that appear to me to be in the catgory of:
"Discussed but not have not yet found an acknowledged home" (on the
CVS PCB or an external "option booard" are:
-SpeakJet support
-Memory (External to the BasicAtomPro 28's)
There is also some issues regarding the configuration of the power
connections that are still unresolved
That's what I've been able to digest so far.
If i've missed stuff, (and that's likely - there's a LOT of data
here!) PLEASE update this tally
onward! thru the fog!
-doc