Tags » Cpld

Z80 Monsputer memory card

This board has:

  • 512k dynamic RAM
  • 4 x 256k EPROM
  • 2 x 128k FLASH
  • 2 x 32k SRAM
  • CPLD for glue logic

The CPLD generates all the signals for refreshing the dynamic RAM. 11 more words

Electronics

Monsputer Serial Card

This card has several protocols:

  • CAN (SJA1000)
  • I²C (PCF8584)
  • Serial (16550,6852)
  • Parallel Port (CPLD)
  • SPI (CPLD)
  • External ports

There are 2 CPLDs:

Electronics

Cracking The Sega Saturn After 20 Years

When it was released 20 years ago, the Sega Saturn was by far the most powerful video game console available. It was a revolutionary device, had incredible (for the time) graphics, and a huge library of IP Sega could draw from. 335 more words

Classic Hacks

When Difference Matters: Differential Signaling

We have talked about a whole slew of logic and interconnect technologies including TTL, CMOS and assorted low voltage versions. All of these technologies have in common the fact that they are single-ended, i.e. 1,245 more words

Featured

A Better Way to Plug a CPLD into a Breadboard

If you read my first post about a simple CPLD do-it-yourself project you may remember that I seriously wiffed when I made the footprint 1” wide, which was a bit too wide for common solderless breadboards. 1,390 more words

Tool Hacks

Antti Lukats: The Past, Present, And Future of Programmable Logic

has gained a bit of a reputation over on Hackaday.io – he has a tremendous number of FPGA projects on hackaday.io, and they’re all open source. 507 more words

Featured

Not Ready for FPGAs? Try a CPLD

 wanted to experiment with programmable logic. Instead of going with an FPGA board, he decided to build his own CPLD (complex programmable logic device) board… 350 more words

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