Renesas Electronics America Inc. © 2012 Renesas Electronics America Inc. All rights reserved. Class ID: 2L03I RL78 Bluetooth Connectivity Anthony Harris, RenesasRulz Admin

© 2012 Renesas Electronics America Inc. All rights reserved.2 Anthony Harris: The Moderator A little bit about myself… I graduated from the University of North Carolina at Charlotte with degrees in Electrical Engineering and Physics. I am currently a Masters student in Electrical Engineering at the University of North Carolina at Charlotte. – Focusing on controls, within wireless sensor networks Within Renesas… I am a website moderator for RenesasRulz – Answer questions, updating web pages, and dealing with everyday user issues I am currently working on developing footprints for most of the MCU families Random Facts…

© 2012 Renesas Electronics America Inc. All rights reserved.3 Renesas Technology & Solution Portfolio

© 2012 Renesas Electronics America Inc. All rights reserved.4 Microcontroller and Microprocessor Line-up Wide Format LCDs  Industrial & Automotive, 130nm  350µA/MHz, 1µA standby 44 DMIPS, True Low Power Embedded Security, ASSP 165 DMIPS, FPU, DSC 1200 DMIPS, Performance 1200 DMIPS, Superscalar 500 DMIPS, Low Power 165 DMIPS, FPU, DSC 25 DMIPS, Low Power 10 DMIPS, Capacitive Touch  Industrial & Automotive, 150nm  190µA/MHz, 0.3µA standby  Industrial, 90nm  200µA/MHz, 1.6µA deep standby  Automotive & Industrial, 90nm  600µA/MHz, 1.5µA standby  Automotive & Industrial, 65nm  600µA/MHz, 1.5µA standby  Automotive, 40nm  500µA/MHz, 35µA deep standby  Industrial, 40nm  200µA/MHz, 0.3µA deep standby  Industrial, 90nm  1mA/MHz, 100µA standby  Industrial & Automotive, 130nm  144µA/MHz, 0.2µA standby bit 8/16-bit

© 2012 Renesas Electronics America Inc. All rights reserved.5 Challenge: With industry striving for a more sustainable and power efficient wireless sensor networks. It is necessary for the control system to be able to meet these ever progressing demands. Solution: “This class will show you how the RL78G14 will help meet these ever growing demands.” ‘Enabling The Smart Society’

© 2012 Renesas Electronics America Inc. All rights reserved.6 Outline Wireless Technology Breakdown Wireless Technology: Bluetooth What is Bluetooth Low Energy? Low-Power μControllers Renesas μController Breakdown Further look into the RL78G14 Today’s Hardware and Lab Hardware – RDK RL78G14 – PmodBT2

© 2012 Renesas Electronics America Inc. All rights reserved.7 Wireless Technology Breakdown ZigBee Bluetooth Wi-Fi Cellular (2G, 3G) Reach (m) 1000 Cellular: long reach Wi-Fi: ~100m single hop No mesh networks ZigBee: 10-50m single hop Range can be increased by mesh networking Bluetooth: power-class- dependent: 100m, 10m and 1m ReachThroughputPowerCost

© 2012 Renesas Electronics America Inc. All rights reserved.8 Wireless Technology Breakdown ZigBee Bluetooth Wi-Fi Cellular (2G, 3G) Data rate (Mbps) Wi-Fi: High throughput 802.b: 11 Mbps, n: 150 Mbps File transfers, video applications ZigBee: Low throughput 20, 40, and 250 Kbits/s Status information, data logging Bluetooth: Moderate throughput 1 Mbps (Basic rate) – 24 Mbps (HS) RangeThroughputPowerCost

© 2012 Renesas Electronics America Inc. All rights reserved.9 Wireless Technology Breakdown LowAverage ZigBee Bluetooth Wi-Fi Cellular (2G, 3G) Battery life (yrs) Long Bluetooth LE ZigBee: Low power 2yr+ battery life for certification Optimized for low power: fast wake up (15us) System power needs to account for intermediate hops Wi-Fi, Cellular: Avg battery life Dependant on duty cycle Bluetooth: Dependant on variant Classic, HS: Maintains connection while communication, needs continuous power. Low battery life. BTLE has very low power consumption: good fit for portable devices RangeThroughputPowerCost

© 2012 Renesas Electronics America Inc. All rights reserved.10 Wireless Technology Breakdown $$$ ZigBee Bluetooth Wi-Fi Cellular (2G, 3G) Cost $$$ Wi-Fi: Higher per unit cost Lower system cost due to availability of existing infrastructure ZigBee: Low per unit cost System cost high due to need for new routers, access points Bluetooth: Low unit and system cost Cellular: Moderate unit cost Operational cost: Cellular connection needs monthly service from wireless provider RangeThroughputPowerCost

© 2012 Renesas Electronics America Inc. All rights reserved.11 Wireless Technology: Bluetooth Based on IEEE standard Uses frequency-hopping spread spectrum Transmits data in chunks 79 bands (1 MHz each; centered from 2402 to 2480 MHz) Topology Ad-hoc, very small networks VersionVariantsDescription Max data rate (Mbit/s) Version 1.2Basic rate Gaussian frequency-shift keying (GFSK)1 Version 2.0+EDRπ/4-DPSK and 8DPSK3 Version 3.0+HS Uses Wi-FI AMP (Alternate MAC/PHY)24 Version 4.0 Classic BluetoothLegacy BT protocols Bluetooth high speed Uses Wi-FI AMP (Alternate MAC/PHY) Bluetooth low energy new protocol stack for rapid build-up of simple links.

© 2012 Renesas Electronics America Inc. All rights reserved.12 Bluetooth Low Energy (BLE) Is a new feature within Bluetooth 4.0 Short transmission range Utilizes 128-bit Advanced Encryption Standard (AES) 1Mbit/s transfer rate Benefits of such a technology: Ultra-low peak, average and idle mode power consumption Low cost (in comparison) Ability to run for years Markets for this technology: Medical Industry Consumer products Wireless sensor networks – Comparable to IEEE Bluetooth – BLE mode

© 2012 Renesas Electronics America Inc. All rights reserved.13 Low-Power μControllers With Low power wireless communication, a low power μController must accompany it There are a lot of Renesas solutions for this, a few can be seen below: RL78 Family – RL78G12 – RL78G13 – RL78G14 RX Family – RX210 – RX62N – RX63N SH Family – SH7261 thru SH7565

© 2012 Renesas Electronics America Inc. All rights reserved.14 Renesas μController Breakdown RX62N: 480μA/MHz with all peripherals on 2.7v to 3.6v supply RL78G14: 66μA/MHz in operation 1.6v to 5.5v supply SH7261: 1mA/MHz in normal operation Power usagePerformanceCostOverview

© 2012 Renesas Electronics America Inc. All rights reserved.15 Power usage Renesas μController Breakdown RX62N: 165 DMIPS at a max frequency 100MHz RL78G14: 44 DMIPS at a max frequency 32MHz 1.39 DMIPS per MHz SH7261: 240 MIPS at 100MHz 288 MIPS at 120MHz PerformanceCostOverview

© 2012 Renesas Electronics America Inc. All rights reserved.16 Power usage Renesas μController Breakdown RX62N: Average cost 20x20mm footprint RL78G14: Cost reduction with ON-Chip: Temperature Sensor 32MHz +/- 1% oscillator Low-voltage detector SH7261: Higher cost Larger dimensions leading to higher overall costs 24x24mm footprint PerformanceCostOverview

© 2012 Renesas Electronics America Inc. All rights reserved.17 Power usage Renesas μController Breakdown PerformanceCostOverview This was just a look at three various μControllers RX62N: – Great Performance with a mid level power consumption – Cost of the unit falls in the middle of the three μControllers compared RL78G14: – Lowest Performance but with an ultra-low power consumption – Lowest unit cost SH7261: – Best performance with the worst power consumption – Highest unit cost It all really depends on what you are looking for…

© 2012 Renesas Electronics America Inc. All rights reserved.18 Further look into the RL78G14

© 2012 Renesas Electronics America Inc. All rights reserved.19 Today’s Hardware Hardware: RDK RL78G14 – Tons of built in test peripherials – WiFi by GainSpan, Eink display, power control PmodBT2 – Digilent Inc. – Chipset provided by Roving Networks RN-42 Laptop Bluetooth USB adapter

© 2012 Renesas Electronics America Inc. All rights reserved.20 Lab Time! Lab Time!

© 2012 Renesas Electronics America Inc. All rights reserved.21 ‘Enabling The Smart Society’ Challenge: With industry striving for a more sustainable and power efficient wireless sensor networks. It is necessary for the control system to be able to meet these ever progressing demands. Solution: “This class will show you how the RL78G14 will help meet these ever growing demands.” Do you agree that we accomplished the above statement?

© 2012 Renesas Electronics America Inc. All rights reserved.22 Questions? Questions?

© 2012 Renesas Electronics America Inc. All rights reserved.23 Please utilize the ‘Guidebook’ application to leave feedback or Ask me for the paper feedback form for you to use… Please Provide Your Feedback…

Renesas Electronics America Inc. © 2012 Renesas Electronics America Inc. All rights reserved.