RTL8197F：高性能低功耗2.4GHz路由器WiSoC datasheet详解

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RTL8197F是一款由Realtek半导体公司设计的高性能、低功耗的无线系统单芯片（WiSoC）解决方案，特别针对2.4GHz 802.11b/g/n路由器应用。该芯片集成了业界知名的2x2 MIMO（Multiple-Input Multiple-Output）11bgn WiFi IP和5个10/100Mbps以太网端口，提供全面的连接能力，满足各种产品设计的需求。核心架构上，RTL8197F搭载了MIPS 24Kc处理器，最高时钟速度可达1GHz，这意味着它具备强大的数据处理能力和高效的执行效率。这使得该芯片在无线路由、物联网设备和智能家居等领域具有显著优势，可以支持多种并发任务和快速的数据传输。在功能特性上，RTL8197F集成了高级无线功能，包括动态频谱管理（Dynamic Spectrum Management, DSM）、高效能无线收发器和先进的MIMO技术，确保了无线连接的稳定性和可靠性。同时，其集成的以太网交换机提供了无缝的有线网络连接，增强了整体网络性能。安全性方面，该芯片可能包含内置的安全措施，如WPA/WPA2加密，以及防火墙功能，保护用户数据免受未经授权的访问。此外，文档还强调了版权和免责声明，声明所有内容未经Realtek许可不得复制或翻译，并指出产品和文档可能会有技术不准确或排版错误。使用RTL8197F时，开发者需要注意文档提供的详细信息，包括硬件接口布局、软件编程指南、电源管理和温度规格等，以便正确地集成和优化芯片在最终产品中的表现。此外，Realtek可能持续改进这款芯片，所以保持与官方最新资料同步至关重要。 RTL8197F是一款强大的WiSoC，它结合了无线通信和有线连接能力，是现代网络设备的理想选择，适合那些寻求高性能、低功耗和多接口解决方案的制造商和开发人员。通过深入理解和利用这份datasheet，设计者能够充分利用该芯片的优势，创造出高效且易于扩展的网络设备。

RTL8197F

Datasheet

802.11bgn 2.4GHz Router WiSoC

xvi

Track ID: Rev. 3.2

List of Figures

FIGURE 1. RTL8197F BLOCK DIAGRAM....................................................................................................................................... 23

FIGURE 2. RTL8197FNT-VEX-CG BLOCK DIAGRAM ................................................................................................................... 24

FIGURE 3. RTL8197FN-VEX-CG BLOCK DIAGRAM ..................................................................................................................... 25

FIGURE 4. RTL8197FH-VEX-CG BLOCK DIAGRAM ..................................................................................................................... 26

FIGURE 5. RTL8197FS-VEX-CG BLOCK DIAGRAM ...................................................................................................................... 27

FIGURE 6. RTL8197FS-VSX-CG BLOCK DIAGRAM ...................................................................................................................... 28

FIGURE 7. RTL8197FB-CG BLOCK DIAGRAM.............................................................................................................................. 29

FIGURE 8. WIFI FUNCTION DIFFERENCE BETWEEN PART NUMBER .................................................................................................. 52

FIGURE 9. PIN SUPPORT BETWEEN PART NUMBER .......................................................................................................................... 55

FIGURE 10. RTL8197FNT DR-QFN128 PIN ASSIGNMENTS .......................................................................................................... 56

FIGURE 11. RTL8197FN DR-QFN128 PIN ASSIGNMENTS ............................................................................................................ 57

FIGURE 12. RTL8197FH DR-QFN128 PIN ASSIGNMENTS ............................................................................................................ 58

FIGURE 13. RTL8197FS DR-QFN128 PIN ASSIGNMENTS ............................................................................................................. 59

FIGURE 14. RTL8197FB TF-BGA268 PIN ASSIGNMENTS ............................................................................................................. 60

FIGURE 15. DRAM MAP ........................................................................................................................................................... 133

FIGURE 16. TWO DRAM ASIC SUPPORT ................................................................................................................................... 134

FIGURE 17. DRAM MAX SIZE SUPPORT ..................................................................................................................................... 135

FIGURE 18. SINGLE-COLOR LED INTERCONNECTIONS ................................................................................................................. 166

FIGURE 19. USER PRIORITY TO TRAFFIC CLASS MAPPING TABLE ............................................................................................... 188

FIGURE 20. I2S MONO-OUT/AUDIO-OUT INTERFACE CONFIGURATION ........................................................................................ 206

FIGURE 21. I2S 5.1 CHANNEL AUDIO-OUT INTERFACE CONFIGURATION ...................................................................................... 206

FIGURE 22. PCM INTERFACE CONFIGURATION ........................................................................................................................... 220

FIGURE 23. ARCHITECTURE OF GTIMER AND PWM AND TIMER EVENT ........................................................................................ 267

FIGURE 24. PWM OPERATION ................................................................................................................................................... 271

FIGURE 25. TIMER EVENT OPERATION ....................................................................................................................................... 271

FIGURE 26. TYPICAL CONNECTION TO A CRYSTAL ....................................................................................................................... 279

FIGURE 27. TYPICAL CONNECTION TO A OSCILLATOR .................................................................................................................. 279

FIGURE 28. RGMII CLOCK SPECIFICATIONS-1 ............................................................................................................................. 294

FIGURE 29. RGMII CLOCK SPECIFICATIONS-2 ............................................................................................................................. 294

FIGURE 30. RGMII TIMING CHARACTERISTICS ............................................................................................................................ 295