Микропроцессорное программное управление. Архитектура IXA. Зарубин А.А. - 9 стр.

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СПбГУТ | Санкт-Петербург

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9
PCI Bus Passive Backplane ( 33 MHz)
IXP1200
Network
Processor
Ethernet
Controller
NetROM
Connectors
SRAM
(2 Mbytes)
Flash
(2 Mbytes)
SDRAM
(32Mbytes)
Serial interface
Serial
Connector
IX Bus (66 MHz)
21440
Multiport 10/100 Ethernet Controller
IXF 1002
Dual Port GigaMAC Controller
Giga PHY
GMIICompatible
XCVR
1000 Base-SX
Quad PHY
XCVR
100Base-TX Magnetic
XCVR XCVR XCVR
RJ-45 RJ-45
RJ-45
RJ-45
Quad PHY
XCVR
100Base-TX Magnetic
XCVR XCVR XCVR
RJ-45 RJ-45
RJ-45
RJ-45
Giga PHY
GMIICompatible
XCVR
1000 Base-SX
Рис. 3. Архитектура IXP1200 Ethernet Evaluation Board
Gigabit
Transceiver
1
Gigabit
Transceiver
0
Flash
01234567
Low Word
High Word
SRAM
SRAM
Intel®
IXP1200
Network
Processor
Intel®
IXF1002
Ethernet
Controller
Intel®
21440
Ethernet
Controller
OctalMAC
SERDES
OctalMAC
SERDES
SDRAM
SDRAM
Magnetics Magnetics
LEDs
10/100 Ethernet Ports
RJ45s
Serial
Port
Logic Analyzer
Connectors
for SDRAM
NetROM Connectors
Buffers and
Transceivers
GigaMAC
SERDES
Рис. 4. Элементы IXP1200 Ethernet Evaluation Board

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