PXF4336 Datasheet, PDF (158/425 Pages) Infineon Technologies AG – ABM Premium ATM Buf fer Manager

ABM-P
PXF 4336 V1.1
Operational Description
Note: If a packet is extracted too slowly, an MUXOV interrupt might occur. To avoid this,
either mask the MUXOV interrupt during extraction or reduce the output rate of the
scheduler.
4.5
Exception Handling
The ABM-P provides a set interrupts classified as:
• Fatal
• Notification
• Normal
Fatal interrupts
It is recommended to reset the device upon occurrence of a ‘fatal interrupt’ which is
generated by the ABM-P detecting internal consistency violations.
Notifications/Normal interrupts
• Control interrupts for activation/de-activation of VC-merge groups
• Control interrupts for activation/de-activation of ‘dummy’ queues
• Control interrupts for DBA threshold crossing information
Data Sheet
158
2001-12-17