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MPC8280 Datasheet(PDF) 921 Page - Freescale Semiconductor, Inc

Part # MPC8280
Description  PowerQUICC??II Family Reference Manual
PDF  1386 Pages
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Manufacturer  FREESCALE [Freescale Semiconductor, Inc]
Direct Link  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc

MPC8280 Datasheet(HTML) 921 Page - Freescale Semiconductor, Inc

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Multi-Channel Controllers (MCCs)
MPC8280 PowerQUICC II Family Reference Manual, Rev. 1
Freescale Semiconductor
29-31
of the managing MCC channel for that superchannel (the same MCC channel number used in the
superchannel table entries corresponding to the transmit FIFOs for that superchannel).
Figure 29-15. Receiver Super Channel with Slot Synchronization Example
Figure 29-16 shows the SI RAM programming for the same overall configuration as the previous
examples, but in this case it does not matter to the application what timeslot of a superchannel reception
begins on. Thus, slot synchronization is not necessary and the timeslots do not need to be programmed as
superchannelled timeslots and the CNT and BYT fields may be programed normally.
0
1
2
3–10
11–13
14
15
MCC
LOOP SUPER
MCSEL
CNT
BYT
LST
SI RAM Address
100
0x0
0x0
1
0
Regular Channel
101
0x1
0x01
1
First slot of the super channel
1
0
Super Channel 1
101
0x2
0x01
1
0
Super Channel 2
101
0x2
0x72
2
Regular (not first) slot of the super channel
0
0
Super Channel 2
101
0x2
0x72
0
0
Super Channel 2
100
0x5
0x0
1
0
Regular Channel
101
0x1
0x72
0
0
Super Channel 1
101
0x1
0x72
0
0
Super Channel 1
100
0x8
0x0
1
1
Regular Channel
The super channel BD tables are associated with channels 1 and 2
SI RAM



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