Freescale Semiconductor MPC8260 - Manual (Page 942)

ATM Controller and AAL0, AAL1, and AAL5
MPC8260 PowerQUICC II Family Reference Manual, Rev. 2
30-22 Freescale Semiconductor
Figure 30-11. ABR Transmit Flow
Start Channel Tx
ACR < TCR
Send RM (DIR = forward, CCR = ACR, ER = PCR, CI = NI = 0, CLP =1)
Schedule: Time_to_send = now+1/TCR
ACR is low sent only
EXIT
RM/DATA In Rate Cell Tx
ACR>=TCR
out-of-rate cells at TCR
Source End-Sys 9
Yes
No