Motorola PowerQUICC II MPC8280 Series Reference Manual page 1041

Freescale Semiconductor, Inc.
Available Bit Rate (ABR) Flow Control
B-RM Cells Rx
No
CI = 1
Yes
Source End-Sys 5
ACR = ACR-ACR×RDF
No
NI = 0
Yes
Source End-Sys 1, 6
ACR = ACR+RIF×PCR
ACR = min(ACR,PCR)
ACR = min(ACR,ER)
Source End-Sys 5, 6
ACR = max(ACR,MCR)
No
BN = 0
The source generate this RM
Yes
Unack = 0
Unack = Number of F-RM in absence of B-RM = 0
EXIT
Figure 31-14. ABR Receive Flow
MOTOROLA Chapter 31. ATM Controller and AAL0, AAL1, and AAL5 31-27
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