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首页BCM5464S:四端口千兆以太网收发器数据手册
BCM5464S:四端口千兆以太网收发器数据手册
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更新于2024-07-22
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"BCM5464是博通公司的一款四通道千兆以太网收发器,适用于1000BASE-T、100BASE-TX和10BASE-T的物理层功能,兼容SGMII、GMII、RGMII和RTBI行业标准,并具有SerDes Pass-through模式,支持铜缆或光纤接口。该器件基于博通的数字信号处理技术,集成了一系列功能,如数字自适应均衡器、ADC、PLL、线路驱动器、编码器、解码器、回声消除器和串扰消除器等,可在最差的Category5电缆环境下实现可靠运行。它还具备自动协商功能,能与对端任何类型的收发器进行通信。"
详细说明:
博通的BCM5464S是一款高性能的四口三速率(10/100/1000Mbps)以太网收发器,专为在标准Category5非屏蔽双绞线(UTP)上运行而设计。这款芯片的核心特性包括:
1. **兼容性**: BCM5464S符合SGMII(Serial Gigabit Media Independent Interface)、GMII(Gigabit Media Independent Interface)、RGMII(Reduced GMII)以及RTBI( Reduced Twisted Pair BI-directional Interface)等行业标准,这使得它能够与多种网络接口兼容,适应不同应用场景。
2. **SerDes Pass-through模式**: 这一独特功能允许通过SerDes/SGMII引脚支持铜缆或光纤连接,提高了网络部署的灵活性。
3. **集成技术**: 该器件集成了博通的数字信号处理器技术,包含了数字自适应均衡器、模数转换器(ADC)、锁相环(PLL)、线路驱动器、编码器、解码器、回声消除器和串扰消除器等一系列关键电路,这些都封装在一个单片CMOS芯片中,大大降低了系统复杂性和成本。
4. **可靠性和自动协商**: BCM5464S能够在最恶劣的Category5电缆条件下保证稳定工作,同时具备自动协商能力,能够检测并适应连接的对端设备的速率,无论是10BASE-T、100BASE-TX还是1000BASE-T,都能无缝对接。
5. **应用领域**: 由于其性能和兼容性的优势,BCM5464S广泛应用于网络交换机、路由器、网关以及其他需要千兆以太网接口的设备中,特别是在要求高带宽、低延迟和低成本的网络环境中。
这款数据手册提供的详细信息涵盖了BCM5464S的电气特性、引脚配置、操作条件、性能参数、应用电路图以及测试结果,为设计工程师提供了全面的技术指南,以便于将BCM5464S集成到他们的网络产品设计中。
BCM5464S Data Sheet
08/02/07
Broadcom Corporation
Page xvi Document 5464S-DS07-R
Exceeded Low Counter Threshold .............................................................................................98
Auto-Negotiation Page Received ...................................................................................................98
No HCD Link .................................................................................................................................98
No HCD..........................................................................................................................................98
Negotiated Unsupported HCD.....................................................................................................98
Scrambler Synchronization Error ...............................................................................................98
Remote Receiver Status Change ................................................................................................98
Local Receiver Status Change....................................................................................................99
Duplex Mode Change...................................................................................................................99
Link Speed Change ......................................................................................................................99
Link Status Change......................................................................................................................99
Receive CRC Error .......................................................................................................................99
1000BASE-T/100BASE-TX/10BASE-T Interrupt Mask .......................................................................100
Interrupt Mask Vector ................................................................................................................100
1000BASE-T/100BASE-TX/10BASE-T Register 1Ch Access.............................................................101
1000BASE-T/100BASE-TX/10BASE-T Spare Control 1 .....................................................................102
Write Enable.................................................................................................................................102
Shadow Register Selector............................................................................................................103
100BASE-FX Mode ......................................................................................................................103
Transmit CRC...............................................................................................................................103
Link Speed LED ...........................................................................................................................103
Link LED Mode.............................................................................................................................103
1000BASE-T/100BASE-TX/10BASE-T Clock Alignment Control........................................................104
Write Enable.................................................................................................................................104
Shadow Register Selector............................................................................................................104
RGMII GTXCLK Clock Delay Enable ...........................................................................................104
1000BASE-T/100BASE-TX/10BASE-T Spare Control 2 .....................................................................105
Write Enable.................................................................................................................................105
Shadow Register Selector............................................................................................................105
Energy Detect on INTR LED Pin ..................................................................................................105
1000BASE-T/100BASE-TX/10BASE-T Spare Control 3 .....................................................................106
Write Enable.................................................................................................................................106
Shadow Register Selector............................................................................................................106
TXC Disable .................................................................................................................................106
SD/Energy Detect Change ...........................................................................................................107
Data Sheet BCM5464S
08/02/07
Broadcom Corporation
Document 5464S-DS07-R Page xvii
DLL Auto Power-Down ................................................................................................................ 107
CLK125 Output ............................................................................................................................ 107
1000BASE-T/100BASE-TX/10BASE-T LED Status ........................................................................... 108
Write Enable ................................................................................................................................ 108
Shadow Register Selector ........................................................................................................... 108
Slave Indicator ............................................................................................................................. 108
FDX Indicator............................................................................................................................... 109
INTR Indicator.............................................................................................................................. 109
LINKSPD Indicator....................................................................................................................... 109
Transmit Indicator ........................................................................................................................ 109
Receive Indicator ......................................................................................................................... 109
Quality Indicator ........................................................................................................................... 109
1000BASE-T/100BASE-TX/10BASE-T LED Control .......................................................................... 110
Write Enable ................................................................................................................................ 110
Shadow Register Selector ........................................................................................................... 110
Override GBIC LED ..................................................................................................................... 111
ACTIVITY/LINK LED Enable ....................................................................................................... 111
ACTIVITY LED Enable ................................................................................................................ 111
Remote Fault LED Enable ........................................................................................................... 111
Link Utilization LED Selector ....................................................................................................... 111
1000BASE-T/100BASE-TX/10BASE-T Auto Power-Down................................................................. 112
Write Enable ................................................................................................................................ 112
Shadow Register Selector ........................................................................................................... 112
Auto Power-Down Mode. ............................................................................................................. 112
Sleep Timer Select ...................................................................................................................... 112
Wake-Up Timer Select................................................................................................................. 113
1000BASE-T/100BASE-TX/10BASE-T LED Selector 1...................................................................... 113
Write Enable ................................................................................................................................ 114
Shadow Register Selector ........................................................................................................... 114
LED2 Selector.............................................................................................................................. 114
LED1 Selector.............................................................................................................................. 114
1000BASE-T/100BASE-TX/10BASE-T LED Selector 2...................................................................... 115
Write Enable ................................................................................................................................ 116
Shadow Register Selector ........................................................................................................... 116
LED4 Selector.............................................................................................................................. 116
BCM5464S Data Sheet
08/02/07
Broadcom Corporation
Page xviii Document 5464S-DS07-R
LED3 Selector ..............................................................................................................................116
1000BASE-T/100BASE-TX/10BASE-T LED GPIO Control/Status .....................................................117
Write Enable.................................................................................................................................117
Shadow Register Selector............................................................................................................117
LED I/O Status .............................................................................................................................117
Programmable LED I/O Control ...................................................................................................118
Misc. 1000-X Control Register.............................................................................................................118
Write Enable.................................................................................................................................118
Shadow Register Selector............................................................................................................118
Medium Resolution Override for SerDes Pass-Through Mode .................................................... 118
1000BASE-T/100BASE-TX/10BASE-T Autodetect SGMII/Media Converter ......................................119
Write Enable.................................................................................................................................119
Shadow Register Selector............................................................................................................119
SerDes Resolution Fault ..............................................................................................................119
SGMII/GBIC Jumbo Packet..........................................................................................................120
SGMII 10/100 Low RX Latency ....................................................................................................120
SGMII/Media Converter Autodetect Mode Enable ....................................................................... 120
1000BASE-X Auto-Negotiation Debug ................................................................................................120
Write Enable.................................................................................................................................121
Shadow Register Selector............................................................................................................121
Consistency Mismatch .................................................................................................................121
RUDI Invalid .................................................................................................................................121
Comma Detected .........................................................................................................................121
AN_Sync_Status ..........................................................................................................................121
Idle Detect State...........................................................................................................................121
Complete Acknowledge State ......................................................................................................121
Acknowledge Detect State ...........................................................................................................121
Ability Detect State .......................................................................................................................122
Error State .................................................................................................................................... 122
Sync_Status Failed ......................................................................................................................122
AN_Enable State..........................................................................................................................122
Auxiliary 1000BASE-X Control ............................................................................................................122
Shadow Register Selector............................................................................................................124
Use Fiber Mode Counters ............................................................................................................124
SGMII/GBIC False Carrier Mode..................................................................................................124
Data Sheet BCM5464S
08/02/07
Broadcom Corporation
Document 5464S-DS07-R Page xix
Disable Carrier Extend................................................................................................................. 124
Disable TRRR .............................................................................................................................. 124
Disable Remote Fault Sensing ....................................................................................................124
Auto-Negotiation Error Timer Enable........................................................................................... 124
Comma Detect Enable................................................................................................................. 124
FIFO Elasticity ............................................................................................................................. 124
Disable Receive CRC Checker.................................................................................................... 124
Auxiliary 1000BASE-X Status ............................................................................................................. 125
Write Enable ................................................................................................................................ 125
Shadow Register Selector ........................................................................................................... 125
Link Status Change ..................................................................................................................... 126
SGMII Selector Mismatch ............................................................................................................ 126
Auto-Negotiation Resolution Error ...............................................................................................126
Link Partner Remote Fault ........................................................................................................... 126
Auto-Negotiation Page Received................................................................................................. 126
Current Operating Duplex Mode .................................................................................................. 126
Link Status ................................................................................................................................... 126
PAUSE Resolution—Receive Side .............................................................................................. 126
PAUSE Resolution—Transmit Side ............................................................................................. 126
Misc. 1000BASE-X Status .................................................................................................................. 127
Write Enable ................................................................................................................................ 127
Shadow Register Selector ........................................................................................................... 127
TX FIFO Error .............................................................................................................................. 128
RX FIFO Error.............................................................................................................................. 128
False Carrier Detected................................................................................................................. 128
CRC Error Detected..................................................................................................................... 128
Transmit Error Detected .............................................................................................................. 128
Receive Error Detected ............................................................................................................... 128
Carrier Extend Error Detected ..................................................................................................... 128
Early End Extension Detected ..................................................................................................... 128
1000BASE-T/100BASE-TX/10BASE-T Autodetect Medium............................................................... 129
Write Enable ................................................................................................................................ 129
Shadow Register Selector ........................................................................................................... 130
SD Invert ...................................................................................................................................... 130
..................................................................................................................................................... 130
BCM5464S Data Sheet
08/02/07
Broadcom Corporation
Page xx Document 5464S-DS07-R
Fiber In-Use LED Mode................................................................................................................130
Fiber LED Mode ...........................................................................................................................130
Qualify Fiber Signal Detect with Sync Status ...............................................................................130
Autodetect Media Default .............................................................................................................130
Autodetect Media Priority .............................................................................................................130
Autodetect Media Enable .............................................................................................................130
1000BASE-T/100BASE-TX/10BASE-T Mode Control.........................................................................131
Write Enable.................................................................................................................................131
Shadow Register Selector............................................................................................................131
Mode Select Change....................................................................................................................132
Copper Link ..................................................................................................................................132
Fiber Link......................................................................................................................................132
Copper Energy Detect..................................................................................................................132
Fiber Signal Detect.......................................................................................................................132
Mode Select .................................................................................................................................132
Enable 1000BASE-X Registers....................................................................................................132
1000BASE-T/100BASE-TX/10BASE-T Master/Slave Seed................................................................133
Enable Shadow Register..............................................................................................................133
Master/Slave Seed Match ............................................................................................................133
Link Partner Repeater/DTE Bit.....................................................................................................133
Link Partner Manual Master/Slave Configuration Value...............................................................134
Link Partner Manual Master/Slave Configuration Enable.............................................................134
Local Master/Slave Seed Value ...................................................................................................134
1000BASE-T/100BASE-TX/10BASE-T HCD Status ...........................................................................134
Enable Shadow Register..............................................................................................................135
HCD 1000BASE-T FDX ...............................................................................................................135
HCD 1000BASE-T........................................................................................................................135
HCD 100BASE-TX FDX ...............................................................................................................135
HCD 100BASE-T..........................................................................................................................135
HCD 10BASE-T FDX ...................................................................................................................135
HCD 10BASE-T............................................................................................................................135
HCD 1000BASE-T FDX (Link Never Came Up)...........................................................................135
HCD 1000BASE-T (Link Never Came Up)...................................................................................136
HCD 100BASE-TX FDX (Link Never Came Up) ..........................................................................136
HCD 100BASE-TX (Link Never Came Up) ..................................................................................136
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