BCM8705
®
SERIAL 10-GBE/FIBRE CHANNEL TRANSCEIVER WITH WIS LAYER AND
XAUI™ INTERFACE
FEATURES
SUMMARY OF BENEFITS
•
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
•
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
•
WIS layer for EOS/WAN applications
•
SONET performance monitoring
•
Supports Broadcom’s StrataXGS
®
Ethernet switches service
aware flow control (SAFC) protocol
•
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
•
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
APPLICATIONS
•
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
•
XENPAK, X2, XPAK modules
•
Interface to XFP modules
•
LAN/MAN/WAN switch/routers
•
Hubs and repeaters
•
Network interface cards (NICs)
•
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)
BCM8705 Block Diagram
XAUI
BCM8705
OTX
XGXS
PCS/PMA
XGXS
RS
Media
Access
Controller
Interface
WIS
9.953/10.3125/10.5188
Gbps
ORX
MAC
MDC MDIO
Management
Interface
Optical
PMD
EEPROM
BOARDCOM [ Broadcom Corporation. ]
