Forum Discussion

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

apper "does not have byteenables" when customize a IP ?

Warning: cpu_0.data_master/Altera_UP_Avalon_Character_LCD_0.avalon_slave_0: Altera_UP_Avalon_Character_LCD_0.avalon_slave_0 does not have byteenables. Narrow (less than 32-bit) writes from cpu_0.data_master will result in spurious writes to Altera_UP_Avalon_Character_LCD_0.avalon_slave_0

when I use several files in altera_up_avalon_character_lcd floder of University_Program to customize this IP , Appear the above problems, can anyone help me? Thank you very much!

1 Reply

  • Altera_Forum's avatar
    Altera_Forum
    Icon for Honored Contributor rankHonored Contributor
    12 years ago

    It isn't a problem, it is just a warning. If you plan to always do 32-bit access to the component then you won't have any problems. If not, then you will have to add the byte enable signals to the Avalon MM slave interface and use them.