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Altera_Forum's avatar
Altera_Forum
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20 years ago

Read and write 16 bits device via Avalon

Hi there, I have create a SOPC Builder component to have access to a USB peripheral controller. This USB controller has a 16 bits data bus et one address line (2 addresses: '0' and '...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
20 years ago

1. Please use "Register (Native/Static addressing)", and IOWR/IORD unless you know the difference about IO*_*Direct and IO*

2. Take care of your Timing of USB controller

3. Could you tell us what Interface you using , Avalon slave or Avalon tri-state? As I see "readdata,writedata" , it is Avalon slave, istn't it?

4. How do you connect the A0,A1 of usb to the Nios system?