Minimal 8085 Single Board Computer - MiniMax8085 by Sergey Kiselev
The MiniMax8085 is based on the Intel 8085A CPU (U1). The 74*573 octal latch (U6) is used to demultiplex the lower 8-bit of address and data bus.
The board uses the Intel 8251A USART (U2) for serial input / output, for example for connecting a console. The MAX232A RS-232 driver/receiver (U7) is used to convert TTL logic levels to RS-232 voltage.
The 62256 32 KiB SRAM (U4) is used for the system RAM. The RAM is battery backed using the DS1210 NVRAM controller (U8).
The board supports a variety of ROM options (U3): The 28C256 EEPROM; UV EPROMs, such as 27C256 (32 KiB), 27C128 (16 KiB), and 27C64 (8 KiB); or The 29C256 Flash ROM ICs.
Please refer to the Project page , which can be found: http://www.malinov.com/Home/sergeys-projects/minimax8085
Minimal 8085 Single Board Computer - MiniMax8085 by Sergey Kiselev
*PCBWay community is a sharing platform. We are not responsible for any design issues and parameter issues (board thickness, surface finish, etc.) you choose.
- Comments(0)
- Likes(11)
- Francisco Candelas Nov 18,2023
- Engineer Mar 24,2023
- Engineer Jun 01,2022
- Thiago Thiago Ragozo Contim Oct 13,2020
- Alamsyah Jul 14,2020
- Spark Dec 03,2019
- Alexiev Nov 01,2019
- Andrii Moroz Oct 21,2019
- HA8IG Op.Imre Oct 20,2019
- Steve?Sexton Sep 06,2019
- NOEL benoit Sep 01,2019
- 3 USER VOTES
- YOUR VOTE 0.00 0.00
- 1
- 2
- 3
- 4
- 5
- 6
- 7
- 8
- 9
- 10
- 1
- 2
- 3
- 4
- 5
- 6
- 7
- 8
- 9
- 10
- 1
- 2
- 3
- 4
- 5
- 6
- 7
- 8
- 9
- 10
- 1
- 2
- 3
- 4
- 5
- 6
- 7
- 8
- 9
- 10
-
10design
-
10usability
-
10creativity
-
10content
-
10design
-
10usability
-
10creativity
-
10content
-
9design
-
9usability
-
9creativity
-
9content
More by Alexiev
- Afterburner - GAL chip programmer for Arduino This is a GAL IC programmer software that allows to program GAL IC chips from various manfucaturers....
- ATFBlast - ATF16V8, GAL16V8, ATF22V10 and GAL22V10 chips programmer ATF16V8, GAL16V8, ATF22V10 and GAL22V10 chips programmer.This is custom PCB variant of ATFBlast proj...
- ArduTrx Attenuator or Dummy load IntroductionTo test the ArduTrx or transceivers in general a dummy load is a handy device (https://e...
- ArduTrx Open Source Hamradio Transceiver for Arduino The ArdTrx project consists of two parts: the ArduTrx shield and the software. Both parts can be use...
- MonochromeVGA MonochromeVGA is a product to enjoy the charm of those monochrome monitors of the time but in the cu...
- NES64 Make Your Own Joystick The NES64 is a replacement PCB for use in an existing controller for the Nintendo Entertainment Syst...
- AY-3-8912 Emulator (AVR-AY) AY-3-8912 Emulator (AVR-AY)used in many old computers as Amstrad CPC, Oric-1, Colour Genie, Elektor ...
- 4116 dram tester project by : Muttley Black
- Covox Speech Thing Sound Card SMD version he Covox Speech Thing is an external audio device attached to the computer to output digital sound. ...
- Covox Speech Thing Sound Card for Parallel Port LPT with resistor DAC - Short version Covox Speech Thing Sound Card for Parallel Port LPT with resistor DAC - Short verionThe short versio...
- Covox Speech Thing Sound Card for Parallel Port LPT with resistor DAC - Long version Instead of using two types of resistors with 1/2 relation, I just used all the same types, but doub...
- 8bit ISA IBM XT, 286, 386, 486 Analog input card - Game control adapter Recreation of IBM Analog input card 99.1 mm* 79.4 mmAn 8-bit ISA card with gameport. It avoids the...
- Customizable crystal oscillators Half size - can style Customizable crystal oscillators Full size - can style The ClockInACan is a small circuit board that...
- Customizable crystal oscillators Full size - can style The ClockInACan is a small circuit board that is the same size as the oscillator and duplicates the...
- OCTOBAND – 8 Band PA+LPF Board For uSDX TriBand (An All Mode HF QRP Transceiver) OCTOBAND – 8 Band PA+LPF Board For uSDX TriBand (An All Mode HF QRP Transceiver) - designed by BAR...
- C64 Video Enhancement, Analog Only C64 Video Enhancement, Analog OnlyThe analog circuit that was just meant as a simple replacement to ...
- Raspberry Pi 360K floppy drive Project by Scott BakerRaspbian is not a real-time OS, and the FDC is absolutely intolerant of bytes ...
- APPLE II ProDOS ROM Drive This is a peripheral card for the Apple ][ series computers that acts as a read-only solid state dis...
-
-
-
kmMiniSchield MIDI I/O - IN/OUT/THROUGH MIDI extension for kmMidiMini
111 0 0 -
DIY Laser Power Meter with Arduino
162 0 2 -
-
-
Box & Bolt, 3D Printed Cardboard Crafting Tools
154 0 2 -
-
A DIY Soldering Station Perfect for Learning (Floppy Soldering Station 3.0)
554 0 2