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Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
18 years ago

Check my layout

Hi: This is my first design using CPLD. Can someone comment on my layout before I tell the board house to run it? I'm using an EPM7064STC44-10 Specifically, is my ISP connector correct, ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
18 years ago

Thanks

Found a missing ground. Updating artwork...

Adding pads for TCLK pulldown and TDI and TDS pullups. So, do I only need to install the pullups if the device won't program?

I have 150 ohm series resistors (R45 and R46) for protection on the programming pins to the 9S12 uP. Good idea or bad idea on the Altera? As Don Lancaster says "protect the protection."

New artwork:

http://www.jandssafeguard.com/topside.jpg

http://www.jandssafeguard.com/solderside.jpg