V
11  
Tags
Attachments
Dobrica Pavlinušić's random unstructured stuff
Colorlight 5A-75B


cl-5a-75b-v70-front-800.jpg

  • Lattice ECP5 LFE5U-25F-6BG256C (product page)
  • Winbond 25Q32JVSIQ, 32 Mbits SPI flash (datasheet)
  • 2x Broadcom B50612D Gigabit Ethernet PHYs (datasheet)
  • 2x ESMT M12L16161A-5T 1M x 16bit 200MHz SDRAMs (organized as 1M x 32bit) (datasheet)
  • 12x 74HC245T Octal Bidirectional Transceiver (used for level translation to 5V)

links

chubby75

original protocol

replace level shifters to get input

https://twitter.com/Claude1079/status/1231194849350647808

 SN74CBT3245APW 8bit bidirectional FET switches
QS3245QG

colorLight5A-75b.jpg

chiselwatt

https://github.com/antonblanchard/chiselwatt/commit/5a7fcbc8142ed2b390e1f8bfaaa801fe09a60351

UART RX is on J19, labelled key+ on the silk screen on the back
UART TX is on J1, pin 1.

LOCATE COMP "clock" SITE "P6";

LOCATE COMP "io_tx" SITE "F3";
LOCATE COMP "io_rx" SITE "M13";

litex

basic example of litex on colorLight 5A-75B based on fpga_101/lab004

https://github.com/trabucayre/litexOnColorlightLab004/


 

Upload Files

Click "Browse" to find the file you want to upload. When you click "Upload file" your file will be uploaded and added to the list of attachments for this page.

Maximum file size: 50MB

 
 
 
File Name Author Date Uploaded Size

Save Page As

Enter a meaningful and distinctive title for your page.

Page Title:

Tip: You'll be able to find this page later by using the title you choose.

Page Already Exists

There is already a page named XXX. Would you like to:

Save with a different name:

Save the page with the name "XXX"

Append your text to the bottom of the existing page named: "XXX"

Upload Files

Click "Browse" to find the file you want to upload. When you click "Add file" this file will be added to the list of attachments for this page, and uploaded when you save the page.

 
 
 
Add Tags

Enter a tag and click "Add tag". The tag will be saved when you save the page.

Tag: 

Suggestions: