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PAS6301
Gigabit Ethernet Optical Network Unit SOC
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Features
The PAS6301 is a Gigabit Ethernet Optical Network Unit (ONU)system
on a chip dedicated for use in an Ethernet Passive Optical Network
(IEEE 802.3ah EPON). The PAS6301 chip integrates the Ethernet Media
Access Control (MAC) functionality, EPON protocol management, an
advanced L2/3/4 classification engine, a powerful embedded CPU and
a glueless interface to an on-board Analog Front End (AFE). An
integrated software package provides a complete ONU solution.
PRODUCT BENEFITS
- Full IEEE 802.3ah EPON ONU functionality with integrated ARM9 CPU
and comprehensive software package
- Includes support for CTC EPON technical requirements version 1.0
- Advanced classification engine with support for VLAN, IP, TCP & UDP
to provide true "triple-play" services
- A glueless interface to on-board limiting amplifier and laser diode
driver providing an easy maintenance cost effective solution
- Advanced switch management capabilities including a standard MII
interface and an L2 software management package (STP, IGMP, etc.)
supporting various external switches
- A cost effective SDRAM based packet buffer with 8 queue priorities
and up to 8MB of bursty traffic protection
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- An advanced Rate Limiter which can be operated in both upstream
and downstream and can be configured to operate per priority
queue, per the whole ONU, or per VID . An additional mode exists for
upstream enabling the rate limitation of multicast and broadcast
frames separately.
- Open Software development platform with support for Linux,
VxWorks and a low footprint RTOS
- Integrated SERDES for EPON tranceiver connection
- Flexible optical transceiver interface for support of multiple vendors
- FEC coding for improved link budget
Integrated encryption for enhanced security and privacy based on
AES or churning
- Advanced threshold and queue level reporting to support high
quality of service DBA algorithms
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FEATURES
- Gigabit Ethernet PON ONU based on 802.3ah standard
- Integrated SERDES and CDR for loop timing support
- FEC support for improved optical budget and split ratio
- Programmable interface logic for optical transceiver
- Integrated ARM9 CPU (including MMU)
- Complete ONU software package development platform supports
automatic operation and OEM vendor extensions
- Support for buffer threshold reporting for compatibility with
dynamic threshold control
- 8 priority queues with multiprotocol classifier including:
- VLAN manipulation and QOS support
- 802.1p priority, IPv6, IPv4
- IGMP
- IP, TCP, UDP
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- Full OAM feature set termination according to 802.3ah
- 128 bit AES encryption - downstream and upstream
- 802.1x Authentication engine with remote administration
- 802.3x flow control for UNI
- 802.1D Bridging: Includes 128 port local address table with aging
for isolation of home traffic from network
- Optional external CPU management via UART or Ethernet
- Flow control in uplink queues according to programmable fields
including ToS, CoS, VLAN, Ethertype, IP address, TCP/UDP port
- Comprehensive software management package including SNMP,
Web-based management, Remote software download, STP and IGMP
- Full VoIP stack executed on the embedded ARM9 with no need for an
external CPU
- An integrated Analog to Digital (A2D)
- Glueless interface to an on board Limiting Amplifier (LIA) and Laser
Diode Driver (LDD)
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INTERFACES
- Full duplex transmit and receive EPON port operating at 1.25Gbit/s
with integrated SERDES
- Full-duplex 10/100 MII and 1000Mbit/s GMII Ethernet for
connectivity to standard switch ICs or PHY devices
- 32 bit memory controller for FLASH, SDRAM and general peripheral
access
- 32 bit memory controller for 8MB SDRAM packet buffer
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- Optional EEPROM for boot and configuration parameters
- Dying gasp and vendor event generation pins
- Eight LED indications
- Two-wire SFP interface port
- Two UART ports for debug and control by external devices
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PAS6301 Gigabit Ethernet Optical Network Unit SOC Product Brief [195 KB] PMC-2061051