If you're talking about the PIC, I think you mean the Parallel Slave Port
(PSP).

Jim

-----Original Message-----
From: piclist-bounces@mit.edu [mailto:piclist-bounces@mit.edu] On Behalf Of
Robin Abbott
Sent: Saturday, September 11, 2010 5:22 PM
To: 'Microcontroller discussion list - Public.'
Subject: RE: [PIC] PIC to PC Printer Port

Wasn't this exactly the type of interface for which what the peripheral
serial port was designed? 8 Bits and hand shaking and running aysnchronousl=
y
to the main CPU. I am not an expert on parallel port interfacing (it's a
pretty old i/f nowadays), but worth checkin the PSP spec on most 16/18 40
pin devices.

Cheers,

Robin Abbott
Forest Electronics,=20
Home of the WIZ-C RAD ANSI C Compiler - free version available.
www.fored.co.uk
07801 718136 (+44-7801-718136)

-----Original Message-----
From: jimf@webstudios.co.uk [mailto:jimf@webstudios.co.uk]=20
Sent: 10 September 2010 15:56
To: Microcontroller discussion list - Public.
Subject: [PIC] PIC to PC Printer Port

  BODY { font-family:Arial, Helvetica, sans-serif;font-size:12px; } =20

	Has anyone on list interfaced a PIC to the pc parallel printer port
and simulated a parallel printer? =20

	(wrt: strobe/ack/busy signal control.) =20

	I am in a project that does just that, but seem to be having a
number of bytes lost. I'm pretty sure it's a timing issue, but I can't
confirm it.=20

	Is it valid to drive the parallel port signals from a pic pin via a
100 ohm resistor?=20

	-Thanks=20

	Jim
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