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首页博通BCM54616S:单口PHY芯片技术规格详述
"BCM54616S是一款由博通公司(Broadcom)生产的单端口10/100/1000BASE-T千兆以太网收发器芯片。该芯片的手册详细描述了其内部寄存器以及支持SGMII(Serial Gigabit Media Independent Interface)与RGMII(Reduced Gigabit Media Independent Interface)之间的转换功能。"
BCM54616S是博通公司推出的一款高性能、三速率的以太网物理层(PHY)器件,适用于标准的Cat5 UTP电缆,可支持10Mbps、100Mbps和1000Mbps的传输速度。在10BASE-T模式下,它甚至能在Cat3、Cat4和Cat5 UTP电缆上运行。这款芯片旨在遵循SGMII行业标准,并且超越了IEEE对噪声消除和传输抖动的规范,确保在各种现有网络基础设施中实现稳定可靠的操作。
BCM54616S的核心技术基于博通的数字信号处理技术,集成了包括但不限于数字自适应均衡器、模数转换器(ADCs)、锁相环(phaselocked loops)、线路驱动器、编码器、解码器、回声消除器、串扰消除器等关键组件。这些组件协同工作,确保了数据传输的高效性和准确性。
在设计上,BCM54616S考虑了功耗效率和小型化,适合于高密度的网络设备应用。它支持SGMII接口,这是一种串行接口标准,能够减少对PCB空间的需求,提高系统的集成度。同时,RGMII接口的支持则使其能够与常见的网络处理器或交换机芯片进行无缝连接,提供全双工、高速的数据传输。
此外,该芯片还具备了一些高级特性,如自动协商功能,可以自动检测并配置与连接设备的最佳工作模式。错误检测和纠正机制也是其重要组成部分,能确保数据在传输过程中的完整性。此外,还包括节能模式,如低功耗待机模式,有助于降低设备的能耗。
BCM54616S是一款适用于各种网络设备,特别是需要高带宽、低延迟和低功耗的场合的高性能PHY芯片。其详细的手册提供了关于寄存器配置、接口设置和故障排查等全面的技术信息,是开发和维护相关硬件设备的重要参考资料。
9/24/2010 1539I
Table of Contents BCM54616S Data Sheet
BROADCOM Single-Port 10/100/1000BASE-T Gigabit Ethernet Transceiver
September 20, 2010 • 54616S-DS205-R Page 16
®
Transmit Indicator ........................................................................................................................123
Receive Indicator ..........................................................................................................................123
Quality Indicator ...........................................................................................................................123
Register 1Ch (Shadow 01001): LED Control .........................................................................................124
Write Enable .................................................................................................................................124
Shadow Register Selector .............................................................................................................124
Activity/Link LED Enable ...............................................................................................................124
ACTIVITY LED Enable.....................................................................................................................124
Remote Fault LED Enable..............................................................................................................125
Link Utilization LED Selector .........................................................................................................125
Register 1Ch (Shadow 01010): Auto Power-Down ..............................................................................126
Write Enable .................................................................................................................................126
Shadow Register Selector .............................................................................................................126
Auto Power-Down Mode..............................................................................................................126
Sleep Timer Select ........................................................................................................................126
Wake-up Timer Select...................................................................................................................126
Register 1Ch (Shadow 01100): External Control 2 Register.................................................................127
Write Enable .................................................................................................................................127
Shadow Register Selector .............................................................................................................127
Enable IDDQ..................................................................................................................................127
Register 1Ch (Shadow 01101): LED Selector 1.....................................................................................128
Write Enable .................................................................................................................................129
Shadow Register Selector .............................................................................................................129
LED2 Selector................................................................................................................................129
LED1 Selector................................................................................................................................129
Register 1Ch (Shadow 01110): LED Selector 2.....................................................................................130
Write Enable .................................................................................................................................131
Shadow Register Selector .............................................................................................................131
LED4 Selector................................................................................................................................131
LED3 Selector................................................................................................................................131
Register 1Ch (Shadow 01111): LED GPIO Control/Status ....................................................................132
Write Enable .................................................................................................................................132
Shadow Register Selector .............................................................................................................132
LED I/O Status ...............................................................................................................................132
Programmable LED I/O Control ....................................................................................................132
9/24/2010 1539I
Table of Contents BCM54616S Data Sheet
BROADCOM Single-Port 10/100/1000BASE-T Gigabit Ethernet Transceiver
September 20, 2010 • 54616S-DS205-R Page 17
®
Register 1Ch (Shadow 10001): SerDes 100-FX Status Register............................................................133
Write Enable .................................................................................................................................133
Shadow Register Selector .............................................................................................................133
100FX Link Status Change.............................................................................................................134
Bad ESD Detected .........................................................................................................................134
False Carrier Detected ..................................................................................................................134
Transmit Error Detected ...............................................................................................................134
Receive Error Detected.................................................................................................................134
Lock Timer Expired .......................................................................................................................134
Lost Lock .......................................................................................................................................134
Faulting .........................................................................................................................................134
Locked...........................................................................................................................................134
100FX Link.....................................................................................................................................134
Register 1Ch (Shadow 10011): SerDes 100-FX Control Register..........................................................135
Write Enable .................................................................................................................................135
Shadow Register Selector .............................................................................................................135
100-FX Auto-Detect Timer Select .................................................................................................135
Disable RX Qualify.........................................................................................................................136
Force RX Qualify............................................................................................................................136
Far End Fault Enable .....................................................................................................................136
Auto-Detect 100-FX SerDes ..........................................................................................................136
100-FX SerDes Full-Duplex............................................................................................................136
100-FX SerDes Enable ...................................................................................................................136
Register 1Ch (Shadow 10101): SGMII Slave Register...........................................................................137
Write Enable .................................................................................................................................137
Shadow Register Selector .............................................................................................................137
SerDes Link ...................................................................................................................................138
SerDes Duplex...............................................................................................................................138
SerDes Speed ................................................................................................................................138
SerDes Link Status Change............................................................................................................138
Interface Select.............................................................................................................................138
RGMII SGMII Freq Lock Mode.......................................................................................................138
SGMII Slave Mode.........................................................................................................................138
SGMII Slave Auto-Detection .........................................................................................................138
Register 1Ch (Shadow 11000): 1000BASE-X Auto-Detect SGMII .........................................................139
9/24/2010 1539I
Table of Contents BCM54616S Data Sheet
BROADCOM Single-Port 10/100/1000BASE-T Gigabit Ethernet Transceiver
September 20, 2010 • 54616S-DS205-R Page 18
®
Write Enable .................................................................................................................................139
Shadow Register Selector .............................................................................................................139
SerDes Resolution Fault................................................................................................................139
1000BASE-T PCS Transmit FIFO Elasticity .....................................................................................139
SGMII 10/100BASE-T RX FIFO Frequency Lock Mode...................................................................139
Register 1Ch (Shadow 11110): Auto-Detect Medium Register............................................................140
Write Enable .................................................................................................................................140
Shadow Register Selector .............................................................................................................140
Invert Fiber SD From Pin...............................................................................................................141
Fiber In Use LED Mode .................................................................................................................141
Fiber LED Mode ............................................................................................................................141
Fiber Auto-Power Down Mode.....................................................................................................141
Auto-Detect Medium Default .......................................................................................................141
Auto-Detect Medium Priority .......................................................................................................141
Auto-Detect Medium Enable........................................................................................................141
Register 1Ch (Shadow 11111): Mode Control Register .......................................................................142
Write Enable .................................................................................................................................142
Shadow Register Selector .............................................................................................................142
Interface Mode Select Change .....................................................................................................143
Copper Link...................................................................................................................................143
SerDes link ....................................................................................................................................143
Copper Energy Detect...................................................................................................................143
Fiber Signal Detect........................................................................................................................143
Interface Select.............................................................................................................................143
Enable 1000-X Registers ...............................................................................................................143
Register 1Dh (Bit 15 = 0): Master/Slave Seed ......................................................................................144
Enable Shadow Register ...............................................................................................................144
Master/Slave Seed Match ............................................................................................................144
Link Partner Repeater/DTE Bit......................................................................................................144
Link Partner Manual Master/Slave Configuration Value ..............................................................144
Link Partner Manual Master/Slave Configuration Enable ............................................................144
Local Master/Slave Seed Value.....................................................................................................144
Register 1Dh (Bit 15 = 1): HCD Status ..................................................................................................145
Enable Shadow Register ...............................................................................................................146
HCD 1000BASE-T FDX ...................................................................................................................146
9/24/2010 1539I
Table of Contents BCM54616S Data Sheet
BROADCOM Single-Port 10/100/1000BASE-T Gigabit Ethernet Transceiver
September 20, 2010 • 54616S-DS205-R Page 19
®
HCD 1000BASE-T...........................................................................................................................146
HCD 100BASE-TX FDX ...................................................................................................................146
HCD 100BASE-TX...........................................................................................................................146
HCD 10BASE-T FDX .......................................................................................................................146
HCD 10BASE-T...............................................................................................................................146
HCD 1000BASE-T FDX (Link Never Came Up) ...............................................................................146
HCD 1000BASE-T (Link Never Came Up).......................................................................................146
HCD 100BASE-TX FDX (Link Never Came Up) ...............................................................................146
HCD 100BASE-TX (Link Never Came Up).......................................................................................147
HCD 10BASE-T FDX (Link Never Came Up) ...................................................................................147
HCD 10BASE-T FDX (Link Never Came Up) ...................................................................................147
Register 1Eh: Test Register 1 ...............................................................................................................148
CRC Error Counter Selector ..........................................................................................................148
Force Link......................................................................................................................................148
Manual Swap MDI State ...............................................................................................................148
SerDes Register Descriptions .....................................................................................................................149
1000BASE-X MII Control ......................................................................................................................149
Reset .............................................................................................................................................149
Internal Loopback .........................................................................................................................149
Auto-Negotiation Enable ..............................................................................................................150
Power-Down.................................................................................................................................150
Isolate ...........................................................................................................................................150
Restart Auto-negotiation..............................................................................................................150
Duplex Mode ................................................................................................................................150
Collision Test.................................................................................................................................150
1000BASE-X MII Status ........................................................................................................................151
100BASE-T4 Capable.....................................................................................................................152
100BASE-X Full-Duplex Capable....................................................................................................152
100BASE-X Half-Duplex Capable...................................................................................................152
10BASE-T Full-Duplex Capable......................................................................................................152
10BASE-T Half-Duplex Capable.....................................................................................................152
100BASE-T2 Full-Duplex Capable..................................................................................................152
100BASE-T2 Half-Duplex Capable.................................................................................................152
Extended Status............................................................................................................................152
Management Frames Preamble Suppression...............................................................................152
9/24/2010 1539I
Table of Contents BCM54616S Data Sheet
BROADCOM Single-Port 10/100/1000BASE-T Gigabit Ethernet Transceiver
September 20, 2010 • 54616S-DS205-R Page 20
®
Auto-Negotiation Complete .........................................................................................................153
Remote Fault ................................................................................................................................153
Auto-negotiation Ability ...............................................................................................................153
Link Status.....................................................................................................................................153
Jabber Detect................................................................................................................................153
Extended Capability ......................................................................................................................153
1000BASE-X Auto-Negotiation Advertisement ....................................................................................154
Remote Fault ................................................................................................................................155
Pause ............................................................................................................................................155
Half-Duplex Capable .....................................................................................................................155
Full-Duplex Capable ......................................................................................................................155
1000BASE-X Auto-Negotiation Link Partner Ability .............................................................................156
1000BASE-X Mode ...............................................................................................................................157
Next Page......................................................................................................................................157
Acknowledge ................................................................................................................................157
Remote Fault ................................................................................................................................157
Pause ............................................................................................................................................157
Half-Duplex Capable .....................................................................................................................157
Full-Duplex Capable ......................................................................................................................157
SGMII Mode .........................................................................................................................................157
Copper Link...................................................................................................................................157
Acknowledge ................................................................................................................................157
Copper Duplex ..............................................................................................................................157
Copper Speed ...............................................................................................................................157
1000BASE-X Auto-Negotiation Extended Status..................................................................................158
Next Page Capable........................................................................................................................158
Page Received...............................................................................................................................158
1000BASE-X IEEE Extended Status .......................................................................................................159
1000BASE-X Full-Duplex Capable..................................................................................................159
1000BASE-X Half-Duplex Capable.................................................................................................159
1000BASE-T Full-Duplex Capable..................................................................................................159
1000BASE-T Half-Duplex Capable.................................................................................................159
Expansion Registers....................................................................................................................................160
Expansion Register 00h: Receive/Transmit Packet Counter ................................................................160
Packet Counter .............................................................................................................................160
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