pef20320 Infineon Technologies Corporation, pef20320 Datasheet - Page 46

• Manufacturer Part Number: pef20320
• Description: Multichannel Network Interface Controller For Hdlc With 32 Channels
• Manufacturer: Infineon Technologies Corporation

User’s Manual
2.2.3
Prioritization of Queueing DMA Cycles
Priority
Highest priority
Lowest priority
The MUNICH32 will perform all pending accesses on the same bus tenure.
Note: Several bus transactions may be required if the MUNICH32 has not been given
access to the system bus for a long period of time. This is often seen in multi-
master systems where several MUNICH32 devices share the system bus.
DMA Priorities
Interrupt
Receive link list including accesses to the descriptors
Transmit link list including accesses to the descriptors
Configuration of a channel (action requests)
46
Functional Description
PEB 20320
01.2000