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| Newsgroups | comp.arch.fpga |
|---|---|
| Date | 2017-12-14 06:29 -0800 |
| References | <2f3344b5-c9b4-4cee-bbf9-bd96efb89497@googlegroups.com> <a7ce2c46-8599-4997-be70-ded4ec7c8022@googlegroups.com> |
| Message-ID | <b6aee22d-73ff-435a-879e-f6269a3914c0@googlegroups.com> (permalink) |
| Subject | Re: FPGA motherboard for 80386 CPU |
| From | "Rick C. Hodgin" <rick.c.hodgin@gmail.com> |
On Tuesday, December 12, 2017 at 3:11:01 PM UTC-5, Rick C. Hodgin wrote:
> It will need a 132-pin PGA, a custom board which connects into the
> three parallel 40-pin adapter board I have for my FPGA. In that way,
> the 80386 chip will ride right above the FPGA, with traversing the main
> 40-pin-to-FPGA connection, and the 80386 board-to-40-pin connection.
>
> 80386
> =========
> |||||||||
> ===========================
> || || || <=== 3x 40-pin
> =======================
> |||| <=== Proprietary 120+pin adapter
> =====[ FPGA ]==================
I had the thought I can build it this way to have a one-sided board:
====================================
||||||| || || || <=== 3x 40-pin
80386 =======================
|||| <=== Proprietary 120+pin adapter
=====[ FPGA ]==================
And I may be able to build it this way:
=======================
|||| |||||||
=====[ FPGA ]================== 80386
Where the 80386 plugs directly into the proprietary 120+pin adapter.
This would give me a framework where I can create the custom board
to use the appropriate GPIO pins, and +3.3 and GND pins, to provide
power to the CPU. My goal then is to generate the double-pumped
clock at 2 MHz, and respond to the bus signals with a state machine,
and provide a memory controller for the actual instructions.
Will anybody help me?
--
Rick C. Hodgin
Back to comp.arch.fpga | Previous | Next — Previous in thread | Next in thread | Find similar
FPGA motherboard for 80386 CPU "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2017-11-10 07:35 -0800
Re: FPGA motherboard for 80386 CPU rickman <gnuarm@gmail.com> - 2017-11-10 14:46 -0500
Re: FPGA motherboard for 80386 CPU "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2017-11-10 12:19 -0800
Re: FPGA motherboard for 80386 CPU rickman <gnuarm@gmail.com> - 2017-11-10 16:11 -0500
Re: FPGA motherboard for 80386 CPU "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2017-11-10 14:14 -0800
Re: FPGA motherboard for 80386 CPU rickman <gnuarm@gmail.com> - 2017-11-10 18:31 -0500
Re: FPGA motherboard for 80386 CPU "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2017-11-10 15:59 -0800
Re: FPGA motherboard for 80386 CPU rickman <gnuarm@gmail.com> - 2017-11-10 22:15 -0500
Re: FPGA motherboard for 80386 CPU "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2017-11-10 20:16 -0800
Re: FPGA motherboard for 80386 CPU "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2017-11-11 10:43 -0800
Re: FPGA motherboard for 80386 CPU lasselangwadtchristensen@gmail.com - 2017-11-10 13:15 -0800
Re: FPGA motherboard for 80386 CPU "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2017-11-10 14:02 -0800
Re: FPGA motherboard for 80386 CPU lasselangwadtchristensen@gmail.com - 2017-11-13 08:28 -0800
Re: FPGA motherboard for 80386 CPU "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2017-11-13 08:49 -0800
Re: FPGA motherboard for 80386 CPU "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2017-11-13 09:33 -0800
Re: FPGA motherboard for 80386 CPU lasselangwadtchristensen@gmail.com - 2017-11-13 11:47 -0800
Re: FPGA motherboard for 80386 CPU "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2017-11-13 11:54 -0800
Re: FPGA motherboard for 80386 CPU lasselangwadtchristensen@gmail.com - 2017-11-13 12:06 -0800
Re: FPGA motherboard for 80386 CPU "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2017-11-13 12:15 -0800
Re: FPGA motherboard for 80386 CPU "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2017-12-21 01:33 -0800
Re: FPGA motherboard for 80386 CPU Richard Damon <Richard@Damon-Family.org> - 2017-12-22 19:23 -0500
Re: FPGA motherboard for 80386 CPU "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2017-12-24 14:04 -0800
Re: FPGA motherboard for 80386 CPU "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2017-12-20 05:49 -0800
Re: FPGA motherboard for 80386 CPU "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2017-12-12 12:10 -0800
Re: FPGA motherboard for 80386 CPU "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2017-12-14 06:29 -0800
Re: FPGA motherboard for 80386 CPU "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2017-12-28 07:32 -0800
Re: FPGA motherboard for 80386 CPU "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2017-12-30 09:54 -0800
Re: FPGA motherboard for 80386 CPU Richard Damon <Richard@Damon-Family.org> - 2017-12-30 15:18 -0500
Re: FPGA motherboard for 80386 CPU "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2017-12-31 00:20 -0800
Re: FPGA motherboard for 80386 CPU Emilian Miron <emilian.miron@gmail.com> - 2017-12-31 07:20 -0800
Re: FPGA motherboard for 80386 CPU "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2017-12-31 13:52 -0800
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