Freescale-semiconductor MPC8260 Manuel d'utilisateur Page 110

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Overview
MPC8260 PowerQUICC II Family Reference Manual, Rev. 2
1-16 Freescale Semiconductor
1.7.1.2 Regional Office Router
Figure 1-4 shows a regional office router configuration (refer to note at the beginning of Section 1.7,
“Application Examples”).
Figure 1-4. Regional Office Router Configuration
In this application, the PowerQUICC II is connected to four TDM interfaces channalizing up to 128
channels. Each TDM port supports 32–128 channels. If 128 channels are needed, each TDM port can be
configured to support 32 channels. This example has two MII ports for 10/100 BaseT LAN connections.
In all the examples, the SCC ports can be used for management.
1.7.1.3 LAN-to-WAN Bridge Router
Figure 1-5 shows a LAN-to-WAN router configuration, which is similar to the previous example (refer to
note at the beginning of Section 1.7, “Application Examples).
Quad
T1
Framer
MII
Transceiver
PowerQUICC II
TDM0
TDM3
10/100BaseT
60x Bus
SDRAM/DRAM/SRAM
Channelized Data
(up to 128 channels)
10/100BaseT
SMC/I2C/SPI/SCC
Slow
Comm
PHY
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