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Renesas Electronics Components Datasheet

82P33931-1 Datasheet

Synchronization

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Synchronization System
for IEEE 1588
82P33931 / 82P33931-1
Datasheet
HIGHLIGHTS
• System implements ITU-T telecom profiles
• Composed of IDT’s IEEE 1588 software and IDT’s Synchronization
Management Unit (SMU) hardware
• Operates as IEEE 1588 / PTP slave
• Recovers accurate and stable synchronization signals from packet
based IEEE 1588 / PTP master
• Provides integrated physical layer frequency support
• Operates as an IEEE 1588 / PTP master
SOFTWARE
• C99 source code distribution, supporting POSIX-based Operating Sys-
tems (OSs) such as Linux
• IEEE 1588 compliant Precision Time Protocol (PTP) stack
• Abstraction interface supports user-supplied IEEE 1588 compliant Pre-
cision Time Protocol (PTP) stack
• Reference trackers filter packet synchronization noise from IEEE 1588
unaware networks
HARDWARE
• Synchronization Management Unit (SMU) provides tools to manage
physical layer and packet based synchronous clocks for IEEE 1588
Telecom Profile applications
• Supports independent IEEE 1588 and Synchronous Ethernet (SyncE)
timing paths
• Combo mode provides SyncE physical layer frequency support for IEEE
1588 Telecom Boundary Clocks (T-BC) and Telecom Time Slave Clocks
(T-TSC) per G.8273.2
• Digital PLLs can be configured as Digitally Controlled Oscillators
(DCOs) for IEEE 1588 clock synthesis
• Generates G.8262 compliant SyncE clocks
• Fractional-N input dividers support a wide range of reference frequen-
cies
• Locks to 1 pulse per second (PPS) references from GPS based sources
• Loads configuration from an external EPROM after reset
APPLICATIONS
• Access routers, edge routers, core routers
• Carrier Ethernet switches
• Multiservice access platforms
• PON OLT
• LTE eNodeB
• ITU-T G.8265.1 & G.8275.1 Telecom Profile clock synthesizer
• ITU-T G.8273.2 Telecom Boundary Clock (T-BC) and Telecom
• Time Slave Clock (T-TSC)
• ITU-T G.8264 Synchronous Equipment Timing Source (SETS)
• ITU-T G.8263 Packet-based Equipment Clock (PEC)
• ITU-T G.8262 Synchronous Ethernet Equipment Clock (EEC)
• ITU-T G.813 Synchronous Equipment Clock (SEC)
• Telcordia GR-253-CORE Stratum 3 Clock (S3) and SONET Minimum
Clock (SMC)
©2017 Integrated Device Technology, Inc.
0
April 5, 2017


Renesas Electronics Components Datasheet

82P33931-1 Datasheet

Synchronization

No Preview Available !

82P33931-1 Datasheet
DESCRIPTION
IEEE 1588-2008 Precision Time Protocol (PTP) is a packet-based syn-
chronization mechanism used in packet-switched networks. PTP synchro-
nizes the clocks of different devices with the most accurate clock on the
network – usually a precise, grandmaster clock, such as one using a Pri-
mary Reference Time Clock (PRTC) time signal. The 82P33931-1 is a soft-
ware and hardware system that can operate as a PTP slave or PTP
master. As a PTP slave the 82P33931-1 recovers accurate and stable
electrical synchronization signals from a packet based reference gener-
ated by a PTP master. As a PTP master the 82P33931-1 can lock to a sta-
ble electrical clock source and generate packet based PTP references for
downstream PTP slaves
The 82P33931-1 is available with several software and hardware options.
The software options are outlined in Table 1 by root part number. The
hardware options depend on the choice of Synchronization Management
Unit (SMU) hardware; the SMU hardware documentation is listed in
Table 3 by root part number.
Table 1: Software Options by Root Part Number
Root Part Number
82P33931
82P33931-1
Included Software
IDT clock recovery servo software
IDT clock recovery servo software
IEEE 1588 Protocol Stack
System Component Documentation
The detailed characteristics of the 82P33931-1 software and hardware
components are described in other documents as shown in Table 2 and
Table 3.
Table 2: Software Documentation
Software System Component
82P33931-1 IEEE 1588 software
Software Documentation
Please contact IDT
Table 3: SMU Hardware Documentation
Root Part Number
82P33931
82P33931-1
Documentation
82P33831 datasheet
©2017 Integrated Device Technology, Inc.
1
April 5, 2017



Part Number 82P33931-1
Description Synchronization
Maker Renesas
Total Page 3 Pages
PDF Download

82P33931-1 Datasheet PDF





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