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MPC8280 датащи(PDF) 110 Page - Freescale Semiconductor, Inc |
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MPC8280 датащи(HTML) 110 Page - Freescale Semiconductor, Inc |
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110 / 1386 page ![]() Overview MPC8280 PowerQUICC II Family Reference Manual, Rev. 1 1-16 Freescale Semiconductor Here the MPC8280 channelizes two E1s (up to 256, 16-Kbps channels). The local bus can control a bank of DSPs. Data to and from the DSPs can be transferred through the parallel bus to the host port of the DSPs with the internal virtual IDMA. The slow communication ports (SCCs, SMCs, I2C, SPI) can be used for management and debug functions. 1.7.1.5 Telecommunications Switch Controller Figure 1-7 shows a telecommunications switch controller configuration. Figure 1-7. Telecommunications Switch Controller Configuration The CPM supports a total aggregate throughput of 710 Mbps at 133 MHz. This includes two full-duplex 100 BaseT and one full-duplex 155 Mbps for ATM. The G2_LE core can operate at a different (higher) speed, if the application requires it. MPC8280 10/100BaseT 60x Bus SDRAM/DRAM/SRAM Local Bus SDRAM/DRAM/SRAM ATM Connection Tables 10/100BaseT SMC/I2C/SPI/SCC (10BaseT) UTOPIA Multi PHY Slow Comm PHY 155 Mbps PHY ATM MII Transceiver |
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