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MPC8280 Datasheet(PDF) 614 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) 614 Page - Freescale Semiconductor, Inc

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CPM Multiplexing
MPC8280 PowerQUICC II Family Reference Manual, Rev. 1
16-2
Freescale Semiconductor
Figure 16-1 shows a block diagram of the CMX.
Figure 16-1. CPM Multiplexing Logic (CMX) Block Diagram
16.1
Features
The NMSI mode supports the following:
•
Each FCC, SCC, and SMC can be programmed independently to work with a serial device’s own
set of pins in a non-multiplexed manner.
•
Each FCC can be connected to its own MII (media-independent interface).
•
FCC1 can also be connected to an 8- or 16-bit ATM UTOPIA level-2 interface (not on the
MPC8270).
•
FCC2 can also be connected also to an 8-bit ATM UTOPIA level-2 interface (not on the
MPC8270).
Time-Slot Assigner
SI
x
TDM A
x, Bx, Cx, Dx
Pins
Strobes
Register Bus
TDM A
x, Bx, Cx, Dx
SMC1
Nonmultiplexed Serial Interface (NMSI) Pins
Clocks
CPM MUX
BRGs
To Serials:
UTOPIA
Address
Register
2
(CMXUAR)
SMC
Clock
Register
(CMXSMR)
SCC
Clock
Register
(CMXSCR)
FCC
Clock
Register
(CMXFCR)
SI
x
Clock
Registers
(CMXSI
xCR)
SMC1
MCCs
MUX
MII3
FCC3
MUX
MII2/
FCC2
MUX
MII1/
FCC1
MUX
SCC4
SCC4
MUX
SCC3
SCC3
MUX
SCC2
SCC2
MUX
SCC1
SCC1
MUX
SMC2
SMC2
MUX
UTOPIA
8/16
2
UTOPIA
8
2
MUX
TC Layer1 (Option for FCC2 Only)
Note:
1 MPC8280 only.
2 Not on MPC8270.



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