Emulators, EconoRom III

[Ludis Langens]

"Mark S. Riley" wrote:
> 
> http://www.cruzers.com/~ludis/c3pinouts.html#16032500   This is the 2732
> schematic.
> The reset line is the ~OE/VPP pin? Correct?

NO!!!!!  Stop right there!  Don't hook that up!

That's the EPROM pinout.  There is no "reset" signal on the EPROM.  Go
here for an ECM schematic:

http://www.cruzers.com/~ludis/1226864sheet1.gif

The 16021633 chip is the CPU.  You'll find the reset signal there, and
on a few other components.  Your U** and Q** numbers will be different.

> The ER3 has 2 reset outputs. From the manual,
> 
>  "RESET is an open emitter, ACTIVE HIGH output. /RESET is an open collector,
>  ACTIVE LOW output. Both signals are pulled to the in-active state via very
> weak
> resistors. Connect the appropriate output to your target's RESET circuitry."

You'll want to use /RESET.

-- 
Ludis Langens                               ludis (at) cruzers (dot) com
Mac, Fiero, & engine controller goodies:  http://www.cruzers.com/~ludis/
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