概览

简介

IEEE 1588 是一种精确时间协议 (PTP),用于在计算机网络中同步时钟。 在局域网中,它能将时钟精确度控制在亚微秒范围内,使其适于测量和控制系统。 随着 5G 在全球的覆盖范围越来越广,大量的基站和物联网设备需要大规模的网络同步。 瑞萨电子的高级时钟恢复算法和精密计时设备可重建精确的 5G 网络同步信号。 此外,CL8040 Wi-Fi 6 设备支持 IEEE 1588 的无线配置。

系统优势:

  • IEEE 1588 解决方案通过瑞萨电子的高处理性能 MPU 和精密定时时钟 IC 实现
  • 双 MAC、双 PHY 和双通道 PCIe 3.0
  • 灵活的架构,单芯片运行的支持
  • 4T4R MIMO 和5GHz + 2.4GHz

应用

应用

  • 核心设备和接入 IP 交换机/路由器
  • 同步以太网设备
  • 适用于 5G 网络设备的无线基础设施
  • 10Gb、40Gb 和 100Gb 以太网接口

成功产品组合交互框图

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16:9 USB Hub USB Hub USB Hub CN263 CN268 CN268 Diode Diode Diode DDR3L DDR3L DDR3L SD Card SD Card SD Card Ethernet Transceiver Ethernet Transceiver Ethernet Transceiver GPS Receiver GPS Receiver GPS Receiver nCXO 12.8MHz nCXO 12.8MHz nCXO 12.8MHz EEPROM EEPROM EEPROM RJ45 RJ45 RJ45 SFP SFP SFP Input Input.62 Sheet.64 Sheet.65 Sheet.66 Sheet.69 Inductor.300 Sheet.79 Sheet.80 Sheet.81 Sheet.84 Transformer.324 Line.841 Line.842 Sheet.88 Inductor.300 Sheet.90 Sheet.91 Sheet.92 Connector Line Connector Line.96 Connector Line.97 12V 12V 12V Sheet.102 Sheet.103 Sheet.104 Sheet.105 Connector Arrow Connector Arrow.108 Connector Arrow.109 Connector Arrow.110 Sheet.111 Sheet.112 Connector Arrow.113 Connector Arrow.114 Sheet.116 Connector Arrow.117 Sheet.118 Sheet.120 Sheet.121 Sheet.122 Sheet.124 RF FE Band 1 RF FE Band 1 RF FEBand 1 Connector double arrow.125 Connector double arrow.126 Connector double arrow.127 Connector double arrow.128 Antenna Sheet.137 Sheet.138 Sheet.139 Antenna Sheet.141 Sheet.142 Sheet.143 Sheet.145 Sheet.146 RF FE Band 2 RF FE Band 2 RF FEBand 2 Connector double arrow.149 Connector double arrow.150 Connector double arrow.151 Connector double arrow.152 Antenna Sheet.154 Sheet.155 Sheet.156 Antenna Sheet.158 Sheet.159 Sheet.160 Sheet.161 Sheet.162 Connector double arrow Sheet.165 Sheet.166 Sheet.167 Connector Arrow.168 Connector Arrow.169 Connector Arrow.170 Connector Arrow.172 Sheet.174 Sheet.178 Sheet.182 Sheet.190 Sheet.191 Connector double arrow.192 Connector double arrow.193 Sheet.195 Connector double arrow.196 Connector double arrow.197 Sheet.198 Connector Arrow.200 Connector Arrow.201 Connector Arrow.202 5V/5Amax 5V/5Amax 5V/5Amax VDD1.0V:1.03V, 8A VDD1.0V:1.03V, 8A VDD1.0V:1.03V, 8A VDD0 & DDR:1.35V, 4A VDD0_DDR:1.35V, 4A VDD0_DDR:1.35V, 4A 01.8V:1.8V,4A 01.8V:1.8V,4A 01.8V:1.8V,4A Dynamic connector Sheet.211 Sheet.213 Dynamic connector.214 Sheet.218 Sheet.219 Sheet.220 Sheet.221 Sheet.222 Sheet.223 Sheet.224 Sheet.226 Dynamic connector.227 Sequencer Sequencer Sequencer Connector 1 Connector 1.230 Connector 1.231 Connector 1.232 Connector 1.236 Connector 1.237 Connector 1.238 Sheet.241 Sheet.243 Sheet.244 Connector 1.245 Connector Arrow.246 Sheet.248 Connector 1.249 Connector 1.250 Connector 1.251 Connector 1.252 Connector 1.253 Connector Arrow.255 Connector Line.256 Connector Line.257 Sheet.258 Connector Line.259 Connector 1.261 Connector Line.262 Connector Arrow.268 D0.9V: 0.9V, 2.5A D0.9V: 0.9V, 2.5A D0.9V:0.9V,2.5A SD1: Reserved SD1: Reserved SD1: Reserved SD0:3.3V/1.8V,0.17A SD0:3.3V/1.8V,0.17A SD0:3.3V/1.8V,0.17A D3.3V:3.3V, 3A D3.3V:3.3V, 3A D3.3V:3.3V, 3A D2.5V:2.5V, 0.3A D2.5V:2.5V, 0.3A D2.5V:2.5V, 0.3A D1.8V D1.8V D1.8V D3.3V D3.3V D3.3V D3.3V D3.3V D3.3V I2C I2C I2C 12.8MHz 12.8MHz 12.8MHz 10MHz 10MHz 10MHz 1PPS 1PPS 1PPS 1PPS Input 1PPS Input 1PPS Input 1PPS Input 1PPS Input 1PPS Input 0.9V/2.2Amax 0.9V/2.2Amax 0.9V/2.2Amax 1.8V/0.85Amax 1.8V/0.85Amax 1.8V/0.85Amax Buck 1 Buck Buck LDO 2 LDO LDO Buck 2 Buck Buck LDO x2 LDO x2 LDO x2 Buck x2 Buck x2 Buck x2 Buck 3 Buck Buck AC/DC AC/DC AC/DC MPU MPU MPU MPU USB USB USB DDR I/F DDR I/F DDRI/F SDHI SDHI SDHI UART UART UART PCIe 2.0 PCIe 2.0 PCIe 2.0 SPI SPI SPI SMI SMI SMI RGMII RGMII RGMII Wi-Fi 6 Wi-Fi 6 Wi-Fi 6 Wi-Fi 6 Peripheral.29 4T4R Tx/Rx 4T4R Tx/Rx 4T4R Tx/Rx Sheet.290 Peripheral.34 PCIe 3.0 PCIe 3.0 PCIe 3.0 MU DMA MU DMA MU DMA Sheet.291 Peripheral.29 802.11ax 1st MAC 802.11ax 1st MAC 802.11ax 1st MAC 802.11ax 2nd MAC 802.11ax 2nd MAC 802.11ax 2nd MAC Connector double arrow.286 Sheet.292 Peripheral.38 802.11ax 1st PHY 802.11ax 1st PHY 802.11ax 1st PHY 802.11ax 2nd MAC 802.11ax 2nd MAC 802.11ax 2nd MAC 4T 4R AFE 4T 4R AFE 4T4RAFE Connector double arrow.287 Connector double arrow.275 SMU SMU SMU SMU DPLLO DPLLO DPLLO DPLL1 DPLL1 DPLL1 DPLL2 DPLL2 DPLL2 DPLL3 DPLL3 DPLL3 1PPS.299 1PPS 1PPS 1PPS.300 125MHz 125MHz 1PPS.301 125MHz 125MHz
Exiting Interactive Block Diagram
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Lab on the Cloud

云上的瑞萨实验室

云上的瑞萨实验室是一个在线环境,其中的瑞萨解决方案托管在客户能在线访问和测试的远程实验室中,包括常用的评测板、成功的产品组合和软件。

IEEE 1588 解决方案

IEEE 1588 解决方案可在主从设备之间实现误差小于 50 纳秒的时钟同步,从而能为 5G 网络重建准确的同步信号。