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ID 216C: Go Wireless with Redpine and Renesas Wi-Fi Solutions Rohan Joginpalli Product Manager Redpine Signals, Inc. 13 October 2010 Version: 1.2 Rohan Joginpalli Product Manager Redpine Signals, Inc. Responsible for Redpine’s Connect-io-n™ product family 8 years of Engineering and Management experience in – Wireless semiconductor design – Wireless system level product development – Product Management – Program Management Graduate of the Indian Institute of Technology, Guwahati 2 Renesas Technology and Solution Portfolio Microcontrollers & Microprocessors #1 Market share worldwide * ASIC, ASSP & Memory Advanced and proven technologies Solutions for Innovation Analog and Power Devices #1 Market share in low-voltage MOSFET** * MCU: 31% revenue basis from Gartner "Semiconductor Applications Worldwide Annual Market Share: Database" 25 March 2010 ** Power MOSFET: 17.1% on unit basis from Marketing Eye 2009 (17.1% on unit basis). 3 Renesas Technology and Solution Portfolio Microcontrollers & Microprocessors #1 Market share worldwide * Solutions for Innovation ASIC, ASSP & Memory Advanced and proven technologies Analog and Power Devices #1 Market share in low-voltage MOSFET** * MCU: 31% revenue basis from Gartner "Semiconductor Applications Worldwide Annual Market Share: Database" 25 March 2010 ** Power MOSFET: 17.1% on unit basis from Marketing Eye 2009 (17.1% on unit basis). 4 Microcontroller and Microprocessor Line-up Superscalar, MMU, Multimedia High Performance CPU, Low Power High Performance CPU, FPU, DSC Up to 1200 DMIPS, 45, 65 & 90nm process Video and audio processing on Linux Server, Industrial & Automotive Up to 500 DMIPS, 150 & 90nm process 600uA/MHz, 1.5 uA standby Medical, Automotive & Industrial Up to 165 DMIPS, 90nm process 500uA/MHz, 2.5 uA standby Ethernet, CAN, USB, Motor Control, TFT Display Legacy Cores Next-generation migration to RX General Purpose Up to 10 DMIPS, 130nm process 350 uA/MHz, 1uA standby Capacitive touch 5 Ultra Low Power Embedded Security Up to 25 DMIPS, 150nm process Up to 25 DMIPS, 180, 90nm process 190 uA/MHz, 0.3uA standby 1mA/MHz, 100uA standby Application-specific integration Crypto engine, Hardware security Microcontroller and Microprocessor Line-up Superscalar, MMU, Multimedia High Performance CPU, Low Power High Performance CPU, FPU, DSC Up to 1200 DMIPS, 45, 65 & 90nm process Video and audio processing on Linux Server, Industrial & Automotive Up to 500 DMIPS, 150 & 90nm process 600uA/MHz, 1.5 uA standby Medical, Automotive & Industrial Up to 165 DMIPS, 90nm process 500uA/MHz, 2.5 uA standby Ethernet, CAN, USB, Motor Control, TFT Display Legacy Cores Next-generation migration to RX General Purpose Up to 10 DMIPS, 130nm process 350 uA/MHz, 1uA standby Capacitive touch 6 Ultra Low Power Embedded Security Up to 25 DMIPS, 150nm process Up to 25 DMIPS, 180, 90nm process 190 uA/MHz, 0.3uA standby 1mA/MHz, 100uA standby Application-specific integration Crypto engine, Hardware security Innovation – Wi-Fi for Smart Energy High-Energy Applicances Circuit Breaker Water Meter Energy Meter Also an AP/ Gateway 7 In-home Display And Control Agenda Redpine Signals – Company and Products Wi-Fi in Embedded Systems The Benefits of 802.11n Integrating Wi-Fi into Embedded Systems Redpine + Renesas Solutions Wireless Demo Q&A 8 Key Takeaways By the end of this session you will be able to: Understand the key concepts in integrating Wi-Fi into Embedded Systems Understand why 802.11n is the choice of wireless connectivity in current and future designs Understand the applicable Redpine and Renesas products for wireless applications 9 Redpine Signals – Company Overview Founded: 2001 Corporate Headquarters: San Jose, CA R&D Locations: San Jose, CA; Hyderabad, India Employees: 100+ Significant Emerging Wireless Patent Portfolio Redpine Signals – Best New Company e-clips – Jason McDonald 18 awarded; 35 pending; over 50 in pipeline OFDM, MIMO, Low Power, Multi-thread Processing, CMOS RF/PA Chipset Manufacturers – TSMC, ASE Module Manufacturers – OSE, Aztech Worldwide sales and distribution 10 Redpine Wi-Fi Products - Summary Part Product RS9110/1 RS9115/6/7/8 RS9330 Highlights • • • • SDIO, SPI, EBI Ultra-low-power World’s 1st Wi-Fi Certified 1x1 802.11n On-chip DC-DC, RTC • • • • PCI, SDIO, SPI Ultra-low-cost, integrated PA, Balun 1x1 – 150Mbps 11n, 11p – Vehicular (RS9119) • PCI-e, USB, PCI • 450Mbps, 3x3 802.11n • High Performance: ML, ABF (Reference Design Shown) • • • • Modules as small as 7.5mm x 9.5mm Up to 35Mbps SDIO throughputs WMM-PS, WPA2-Enterprise, Voice Certifications: Wi-Fi, FCC, IC, CE RS9110-N-11-2x • • • • Plug and Play 802.11n Serial Modules Supplicant resides on Lite-Fi® TCP-IP Offload, Host Driver Certifications: Wi-Fi, FCC, IC, CE RS9110-N-11-61 • • • • World’s first 802.11n RTLS tag CCX Certified > 5 years battery life Low-cost RS9110-N-11-0x Modules Offered with Renesas Electronics Platforms Certifications: 11 Why Wi-Fi in Embedded Systems? Use of available infrastructure and network planning Wi-Fi is largely present in most enterprise, industrial, and home environments Access Point location and frequency planning already taken care of Easy addition of devices Enterprise class security AES based WPA2 Optional 802.1x based authentication Throughput and Range 1 Mbps to 600 Mbps data rate Up to 500 meters range Power Consumption Focus on ‘low energy’ as opposed to ‘low power’ 12 Why 802.11n? 802.11n is lower power energy than 802.11b or 802.11b/g Minimal MAC overhead Higher PHY throughput Single-stream 802.11n is same cost at 802.11b Higher throughput at range Aggregation STBC Increases network capacity Mixed mode protection mechanisms waste bandwidth Wi-Fi infrastructure is increasingly 802.11n Energy Consumption for 10 MB of Received Data 1,400 Energy in mJ 1,200 1,000 800 11g 11n 600 400 200 0 A 13 B C Location of Client D The Network Advantage of 802.11n (Unnecessary) Protection Mechanisms take up plenty of air time Just the presence of a 11g node in an 11n network reduces overall network throughput by 30% or more Mixed Network 11n Network 14 Questions Question 1: What functional procedure, developed by Joan Daemen and Vincent Rijmen, was standardized by NIST after a 5-year process involving 15 competing mechanisms, and is now a core feature of the WPA2 certification from the Wi-Fi Alliance? Answer 1: AES, or the Advanced Encryption Standard Question 2: Which standard in the 802.11 alphabet soup describes the use of a modulation scheme based on Complementary Codes, first introduced by Golay. Answer 2: 802.11b (which describes CCK) 15 Applications for Wi-Fi in Embedded Systems Camera, E-readers, Multimedia Players, Vo-WiFi Phone, Wireless Speakers, Set-top-boxes, Gaming Adapters, POS terminals, Gaming Consoles, Projectors, Info Kiosks, Patient Monitoring Headphones, ► Printer, ► PC-Input Devices (Mouse, Keyboard, etc) ► Wireless Sensor Nodes, ► Industrial Control, ► Data Acquisition, ► Home Automation, ► Thermostats, ► Smart Meters, ► Real Time Asset Tracking ► ► 16 MANY MORE … Universal IP Based Connectivity Wi-Fi fits directly into the Network Payload 802.11 Frame 802.11 TCP Microcontroller Serial I/F T C P / I P IP Trailer M A C BB / R F Embedded System LAN Wireless Link TCP/IP Stack WLAN WLAN Subsystem 17 Wireless Router Payload Server Other Wireless Standards… The Networking Stack of Zigbee and Bluetooth 18 Integration of Wi-Fi into an Embedded System The benefits of a self-contained module Integrated RF and Antenna – Layout considerations taken care of – Stable frequency reference included for predictable performance Single power-supply with built-in power management Modular certification for FCC Pre-tested and pre-calibrated for high yield on main system Peripheral Interfaces SPI UART Host Interface MAC Memory BBP AFE RF Transceiver, PA, Front-end WLAN System-on-Chip 3.3V PMU Internal Voltages WLAN Module 19 Frequency Reference 22 x 28 mm Renesas + Redpine Signals Advantages 1. Ready-made, functional HW & SW Example Demo Redpine Driver Performance UART/SPI Features 20 2. Wide range of MCU choices from Renesas 3. Choice of Redpine Wi-Fi Products based on application Renesas + Redpine Standard Wi-Fi Solutions Low Power 802.11a/b/g/n Wi-Fi for RX/R8C MCU • 32-bit CISC Flash MCU • Up to 165DMIPS @ 100MHz • FPU, Ethernet, USB, CAN • 8-bit CISC Flash MCU • 20MHz • CAN, ADC, Serial, Timers 21 SPI UART • • • • 802.11bgn or 802.11 a/b/g/n Plug & Play Serial-to-Wi-Fi module Integrated TCP/IP Stack Module variants available with option of TCP-IP on microprocessor Renesas + Redpine Custom Wi-Fi Solutions High-Performance, Ultra Low Power Wi-Fi module on SH MPU • 32-bit RISC Flash MCU • Up to 400DMIPS @ 200MHZ • 32/64-bit FPU, Ethernet, USB, CAN SDIO RS9110-N-11-02 802.11bgn module RS9110-N-11-03 802.11abgn module 22 Questions Question 3: Name three possible factors that influence performance of a wireless hardware subsystem. Answer 3: Board layout, frequency reference, power supply. Question 4: Which two host interfaces does Redpine use to connect to Renesas MCUs in its standard kit offerings? Answer 4: SPI and UART. 23 Software Architecture and Partitioning WLAN Configuration Utility TCP/IP Stack Management Interface Data Interface SME Application Network Applications Network Interface WLAN Host Driver HAL Operating System 802.1X Supplicant RS9110-N-11-2x Microcontroller Operating System Microcontroller RS9110-N-11-0x HTTP Other Applications WLAN Config FTP Utility Socket Interface TCP TCP/IP DHCP UDP ARP HAL SPI SDIO/SPI ICMP UART SPI/UART 21/23/25/26 Common IPSec 802.11 MAC Management Power Save Upper MAC Roaming Encryption/ Lower MAC MPDU/MSDU Auto Rate Aggregation Decryption BBP/RF 24 WMM Connect-io-nTM N-LinkTM Host Interface Module HTTP FTP TELNET SNMP TCP/IP TCP SME UDP WEP/WPA /WPA2 DHCP ARP WLAN Power Save Auto Rate ICMP 802.1x Supplicant 22/24/26/28 How is Renesas + Redpine Solution Unique? Works on MCUs ranging from 20MHz to 200MHz As small as 2KB of Program Memory Required Support for 802.11 b/g/n & a/b/g/n Low Power (Down to 30mW) & High Performance (Up to 35Mbps) Modules with & without TCP/IP Stack May be used with or without RTOS 25 Program Memory Requirements – W-iFi 2KB+ >9KB+ 100KB+ Wi-Fi Code Size Vs Throughputs Vs Renesas MCUs + • 32-bit RISC Flash MCU • Up to 400DMIPS @ 200MHZ • 32/64-bit FPU, Ethernet, USB, CAN + • 32-bit CISC Flash MCU • Up to 165DMIPS @ 100MHz • FPU, Ethernet, USB, CAN + • 8-bit CISC Flash MCU • 20MHz • CAN, ADC, Serial, Timers + Throughput, System Performance Up to 100kbps Upto 5-8Mbps 26 Up to 35Mbps Redpine Signals RS9110 - Key Differentiations 27 Metric Comment Chipset Maturity RS9110®: The World’s first 1x1 802.11n Low-Power Chip (Taped out in Q4 2007 and Wi-Fi Certified in Jan 2008) Module Maturity Redpine Controls Module Manufacturing FCC, IC, CE certified 802.11n modules with >98% Yield Redpine announced single-stream 802.11n module when nearest competition announced chipsets! Cost Low System Cost due to high silicon integration (integrated CMOS DC-DC, calibrated 32kHz RC oscillator, PA and Balun integrated RF) Power Consumption Current Consumption of RS9110-N-11-02 Modules on single 3.3V input supply <1uA Deep Sleep <1.1mA Connected to AP <8mA VoIP call <15mA @ Low Throughputs (e.g., serial interface with 115K Baud) 140mA – Peak Rx throughput of 35Mbps Performance Tx Output Power Rx Sensitivity Rx Multipath Innovation Large Patent Portfolio (8 years of Wi-Fi experience). Multiple patents related to Power-save, OFDM signal processing, Multi-threaded processor architectures 18 US Patents granted, 35 more US patents pending approval Support Comprehensive support during evaluation, design-in and production Redpine owns the chipsets, modules and software – eliminating delays caused due to multiple vendor involvement! Redpine provides turnkey product customizations, software porting and qualification services to key customers : 17.5dBm : -97.5dBm (1Mbps), -75.5dBm (54Mbps) : -68dBm for 10% PER in ETSI-C for 54Mbps: Low-Power Technology in Wi-Fi eNbedded™ Highly Integrated Baseband SoC Integrated Dual-threaded processor – Smaller Footprint code => Lesser Power -> ThreadArch® – Optimized Wi-Fi Supplicant and TCP/IP that runs on Baseband chip => Faster wakeup from shutdown Integrated CMOS DC-DC and 32KHz calibrated RC oscillator Intelligent Power-Management Fast Protocol based Power-save Performance based power-control of individual blocks (e.g., lesser ADC bitwidth/sample-rate in inter-packet) Silicon Techniques HVT Cells and Memories Power Islanding DVFS 28 0.01mW DeepSleep <3mW Standby Associated <20mW for VoIP Call <30mW for Low-throughputs (e.g., 115Kbps SPI/UART) 2KB Driver Footprint (9KB for SPI) 17 US Patents Granted (37 More Pending) • ~50% related to Low-Power Demonstration of Connect-io-n (-24) + R8C25 R8C Peripherals Demo App 6 KB Program 1.5 KB RAM Connect-io-n UART Driver TCP UDP ARP DHCP WEP WPA/ WPA2 Power Save IBSS iPod Touch (R8C + RS9110-24) Connects to Access Point Connect iPod Touch to Access Point Control Light Stack from iPod Touch Access Point 29 Summary Through this presentation, we (hopefully) understood: The key concepts in integrating Wi-Fi into Embedded Systems Why 802.11n is the choice of wireless connectivity in current and future designs What Redpine and Renesas product combinations are available for wireless applications, and how they are made available to embedded device developers. 30 Questions? 31 Innovation – Wi-Fi for Smart Energy High-Energy Applicances Circuit Breaker Water Meter Energy Meter Also an AP/ Gateway 32 In-home Display And Control Thank You! 33