Forum Discussion

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

pio edge capture

asume a pio configered to input only, 32 bits,and cupture data on both rising and falling edge.

does it mean thate data will be cuptured into pio in any change with the input?

2 Replies

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

    The capture function can optionally generate an interrupt in response to the edge event.

    But nothing changes in the basic PIO operation: data is continuously updated in PIO, namely you can get PIO input status whenever you want, by reading the data register.