Functional Description
9
AM4904 User Guide
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2.2.3 NOR Flash
The NOR Flash holds Firmware, Firmware Configuration, SPD data and FRU data. The NOR FLASH could also be
used for limited Logging Tracing.
• Up to 128MB NOR Flash
• Two Firmware images
2.2.4 NAND Flash
The NAND FLASH is used for high volume storage (TFTP Server applications) with high frequency read. The
NAND FLASH could also be used for limited Logging Tracing.
• Up to 4GB with dual-chip select
• High Frequency Read, High Volume Storage, NAND with wear-leveling
• 1024MB standard memory size
2.2.5 Dual GE PHY
• Dual 10/100/1000Base-T Ethernet Transceiver
• Port 1 operates in RGMII to 10/100/1000Base-T mode and connects to front low profile RJ45 with in-
tegrated magnetics
• Port 2 operates in RGMII to Fiber (SerDes) mode and connects to local Switch Fabric
• Dual PHY distributes 125MHz to PPC405EX GMCRefClk
2.2.6 FPGA
The FPGA is also a main component of the MCMC and has many functions. It has the ability to be upgraded in
the field. The key features of the FPGA are listed below:
• Update configuration FLASH via EBC register Interface
• FPGA Dual Image support
• 16Bit/100 MHz EBC interface to PowerPC 405EX
• 12x IPMB-L to AMC inclusive I2C Pull-Up register control
• 1x IPMB-L Cross-Over to MCH inclusive I2C Pull-Up register control
• 2x IPMB0 + Buffer Control inclusive I2C Pull-Up register control, dual slave address support
• 1x FRU Data I2C Backplane
• 3x I2C to Tongue 1, Tongue 2 and Tongue 3
• MCH-MCH interlink via XOVER1
• Request for takeover
• Heartbeat
• Present
• Isolate request
• Switch-over request
Содержание AM4904
Страница 19: ...1KTC5520 EATX Chapter 1 Introduction www kontron com...
Страница 24: ...6KTC5520 EATX Chapter 2 Functional Description www kontron com...
Страница 65: ...47KTC5520 EATX Chapter 3 Operating the Unit www kontron com...
Страница 104: ...85KTC5520 EATX Chapter 4 Hardware Installation www kontron com...
Страница 109: ...90KTC5520 EATX Chapter 5 Power Considerations www kontron com...
Страница 113: ...Chapter 6 Thermal Considerations www kontron com...
Страница 121: ...1 Appendix A CM Configuration Options www kontron com...
Страница 128: ...1 Appendix B Getting Help www kontron com...
Страница 131: ...1KTC5520 EATX Appendix C Glossary www kontron com...