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BCM8706BIFBG Datasheet, PDF (1/2 Pages) Broadcom Corporation. – XAUI TO SERIAL 10G BASE-LRM TRANSCEIVER
BCM8706
®
XAUI™ TO SERIAL 10G BASE-LRM TRANSCEIVER
FEATURES
SUMMARY OF BENEFITS
• Meets and exceeds industry standard
• IEEE 802.3ae
• IEEE802.3aq
• High-performance mode supports 300m of MMF fiber.
• Low-power mode supports 220m of MMF, as specified in the 802.3aq
standard.
• Integrated AGC with a dynamic range of 60 mV–700 mV
• Multiple interface support
• 4 Lane XAUI™ (3.125 Gbps)
• XFP/XFI
• Programmable amplitude control on 10G serial transmitter
• PMD
- Serial 10.3125-Gbps CML
• Receive equalization on XAUI and 10G serial interfaces
• Power dissipation: < 1.5W (Low-power mode)
• Core Supply: 1.0V; I/O: 3.3V
• Reference clock output for XFP module reference clock
• Loss-of-signal detection
• Link activity indicator outputs
• XAUI transmit pre-emphasis for transmission over backplanes
• MDIO interface compliant to IEEE 802.3ae Clause 45 with extended
indirect address register access
• Single reference clock input, enables use of low-cost 25-MHz crystal
or 156.25-MHz oscillator.
• Integrated micro-controller, no external memory required
• Support for XENPAK/X2 3.0 and XPAK MSA Optical Module
standards and the emerging SFP+ standard
• Simplifies manufacturability with integrated built-in self test (BIST)
and loopback modes on the 10-G serial and XAUI interfaces.
• Standard I2C serial interface support for external E2 and XFP.
• XAUI link synchronization/deskew
• XGXS 8B/10B error detection ENDEC
• PCS 64B/66B scrambler/descrambler
APPLICATIONS
• XENPAK, X2 Modules for LRM
• Direct attach to SFP+ modules
• Network interface cards (NICs)
Media
Access
Controller
Interface
BCM8706 Functional Block Diagram
XAUI
RS
XGXS
MAC
25M or
156.25M
Management
Interface
BCM8706
REFCLK
MMF EDC
MDC MDIO
I2C
OTX
ORX
10.3125
Gbps
Optical PMD
E2