BCM8705
®
SERIAL 10-GBE/FIBRE CHANNEL TRANSCEIVER WITH WIS LAYER AND
XAUI™ INTERFACE
BCM8705 Block Diagram
•
Fully integrated CMU, CDR, SerDes, limiting amplifier,
EyeOpener
®
, and 4-lane XAUI™ interface
• PMD interface supported serial rates: 9.953/10.3125/
10.5188-Gbps
• Receive equalization on XAUI and 10G serial interfaces
• Transmit pre-emphasis and amplitude control on XAUI interface
• 10G PMD interface phase and decision threshold adjust
•
WIS layer for EOS/WAN applications
•
SONET performance monitoring
•
Supports Broadcom’s StrataXGS
®
Ethernet switches service
aware flow control (SAFC) protocol
•
Meets and exceeds industry standard
• IEEE 802.3™ae serial Ethernet transceiver (LAN/WAN PHY),
MDIO Clause 45 management interface with extended indirect
address register access
• 10-Gigabit Fibre Channel draft, rev 3.0
• Support for XFP/XFI interfaces
• Support for XENPAK/X2 3.0 and XPAK MSA optical module
standards
•
Additional features
• Jumbo packets support in WAN mode
• Reference clock output for XFP module reference clock
• I
2
C master to control XFP module from device
• Staged power-up mode to minimize in-rush current
• Loopback modes supporting IEEE standards modes
• Built-in self-test (BIST) and PRBS generator/checker
•
Pin-compatible with the BCM8704
•
Low power: LAN mode 900 mW, WAN mode 1.0W to 1.1W
•
Available in 13-mm x 13-mm and 17-mm x 17-mm plastic BGA
(Pb-free version also available)
•
Best performance for LAN (10-GbE) and WAN (OC-192
SONET) application
•
Universal design for 10-GbE, SONET, and 10 GFC for
XENPAK/X2 module
• Compliant to XENPAK/X2 3.0 and XPAK MSA optical
module standards
•
Integrated and compact design allows for high-density line
card applications
•
Upgrade path for existing Broadcom LAN PHY transceivers
•
Build-in features reduce external components
• Clean-up PLL
• 2.5V voltage regulator output
• In-rush current limits
•
XENPAK, X2, XPAK modules
•
Interface to XFP modules
•
LAN/MAN/WAN switch/routers
•
Hubs and repeaters
•
Network interface cards (NICs)
FEATURES
SUMMARY OF BENEFITS
APPLICATIONS
BCM8705
XGXS
PCS/PMA
WIS
MDC MDIO
OTX
Optical
PMD
EEPROM
9.953/10.3125/10.5188
Gbps
XAUI
Media
Access
Controller
Interface
Management
Interface
MAC
RS
XGXS
ORX
