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Altera_Forum
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15 years ago

problems of initiate 10/100/1000mac wtih 1000 base -x/sgmii

hi, hello everyone, now i'm debug a ethernet ip in stratixiigx kits, when i generate the ip core,i find the address ie 8 bit width,but it's user guide says the max address of mac control inter...
Altera_Forum's avatar
Altera_Forum
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15 years ago

The address bus on an Avalon slave directly designates a register number. As the data bus is 32-bits wide, the address is shifted by two bits. Ie when you put 0x10 on the address bus, you are in fact accessing the register at address 0x40.