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3714 Results for "8-bit cpu"

  • POSEVEN
  • Details     from POSEVEN
  • This is a medium-high-level discussion about general computer program organisation. For lower-level CPU design tricks, dos and don'ts, please check it out: #PDP - Processor Design Principles :-) The way we are used to program computers is a long evolution,...

  • Retro 68000 CPU in an FPGA
  • Details     from Retro 68000 CPU in an FPGA
  • I've wanted to build a 68000 system for a long time. I built some commercial systems back in the 1980's based on the 68000 and really like the CPU.  There's a few 68000 builds on YouTube. The best documented 68000 build is Jeff Tranter's build...

  • Bad Apple!! color VFD ver.
  • Details     from Bad Apple!! color VFD ver.
  • The VFD module is a 20x8 matrix of pairs of blue and red subpixels. I treat the display as being 16 pixels high and divide the blue and red subpixels between even and odd lines of video, which gives a bit more detail than you'd normally get from an...

  • 68020 minimal homebrew computer
  • Details     from 68020 minimal homebrew computer
  • Introduction In a drawer, I had an MC68EC020 lying around; it was ordered along with some 68K parts because it cost less than five bucks. Wouldn't it be wonderful to have your own 68020 system (like the good old Sun-3 system)? But a system that is completely...

  • Single board PC based on iMX233
  • Details     from Single board PC based on iMX233
  • IntroductionI'm an Electronics Engineer. I began to explore the world of electronics during my 3rd year at Novosibirsk State University. In addition, at that time Arduino (based on AVR chips) was growing in popularity. However, Arduino wasn’t interesting...

  • FPGATED
  • Details     from FPGATED
  • The idea of the project came when my 30 years old Commodore Plus 4 has suddenly died and I suspected that TED was the main cause. After an extensive troubleshooting it turned to be that the 8551 ACIA chip was the guilty one and I have fixed it, however...

  • Biomonitor
  • Details     from Biomonitor
  • Power supplyAll circuits in the Biomonitor operate at 3.3V. To supply the Biomonitor from one 1.5V battery or 1.2V NiCd/NiMH cell DC/DC converter was used. Analog and digital parts of the Biomonitor have separate supply (VA and VD). For proper operation...

  • Cube clock
  • Details     from Cube clock
  • Goals/plan:1. Find and purchase main components as cheap as possible.2. Hook a single display module up to a CPU on a breadboard.3. Get the display to display something.4. Write low-level library for addressing display.5. Hook up two more displays and...

  • Wireless Navigation Sensor
  • Details     from Wireless Navigation Sensor
  • Main componentsNRF51822 based BLE microcontroller, €4.69GPS module including accellerometer, €9.27Electronic compass €4.03800 mAh Li Ion battery €4.48Solar cell €1.27Solar charging circuit: UndecidedMain BOM cost: €23.74Power...

  • Supercon II badge
  • Details     from Supercon II badge
  • There are also a few modifications in the schematic diagram. Instead of direct driving of anode P-channel FETs (T1-T8) for the LED matrix, there is 3-to-8 decoder 74HC138 (U3). It uses only four instead of eight I/O ports of the MCU, and the remainig...

  • STEbus Z180 board
  • Details     from STEbus Z180 board
  • The Zilog ZS180 seems to be the last member of the 64180 family in active production.  For 33MHz clock max:3 clocks per memory cycle = 11  MHz cycle rate. 3 clocks per instruction = 11 MHz instruction rate (one opcode). 6 clocks per...

  • LAMPi
  • Details     from LAMPi
  • Specifications:(2) Raspberry Pi 3 Rev.BQuad Core 1.2GHz Broadcom BCM2837 64bit CPU1GB RAMBCM43438 wireless LAN and Bluetooth Low Energy (BLE) on board40-pin extended GPIO4 USB 2 ports4 Pole stereo output and composite video portFull size HDMICSI camera...

  • The 74LS181 ALU

  • Details     from The 74LS181 ALU
  • Taming the 74LS181 ALU First the useful instructions: Okay you may disagree with my list but here are the reasons: I am only interested in active high logic. Of the arithmetic functions only every third one is useful.I can do without MINUS. The logic...

  • The NEO430 Processor
  • Details     from The NEO430 Processor
  • Introduction The NEO430 is a TI msp430-native tiny microcontroller-like processor system. The system is highly configurable and provides of standard IO and peripheral components. If a certain module is not required at all it can be disabled and thus...
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