1. Renesas Electronics America Inc. © 2012 Renesas Electronics America Inc. All rights reserved. Microcontrollers Solutions Enabling a Greener Society

2. © 2012 Renesas Electronics America Inc. All rights reserved.2 Renesas Technology & Solution Portfolio

3. © 2012 Renesas Electronics America Inc. All rights reserved.3 Microcontroller and Microprocessor Line-up Wide Format LCDs  Industrial & Automotive, 130nm  350µA/MHz, 1µA standby 44 DMIPS, True Low Power 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  500µA/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 & Automotive, 130nm  144µA/MHz, 0.2µA standby 2010 2012 32-bit 8/16-bit

4. © 2012 Renesas Electronics America Inc. All rights reserved.4 Challenge: Increase in energy demand and expanded portability. This is true for all kinds of applications, especially for portable battery powered systems. MCUs need to provide a good combination of low power Active mode and Standby mode. Solution: This class discusses technology and techniques to enable Low Power designs utilizing MCU” ‘Enabling a Greener Society’

5. © 2012 Renesas Electronics America Inc. All rights reserved.5 Marching Towards a Greener Society Energy demand Key market drivers “Squeezing” every microwatt Key Design Considerations Key factors by application Greener Microcontroller Technologies Process technology Architecture Innovative Features Renesas’ MCUs Enabling Greener Systems MCU Road map Support Infrastructure Summary Agenda

6. © 2012 Renesas Electronics America Inc. All rights reserved.6 Marching Towards a Greener Society

7. © 2012 Renesas Electronics America Inc. All rights reserved.7 Electricity Energy Demand Electricity Energy Use WW : 18T (kWh) Electricity Energy Demand Growing More people, More devices Electricity Energy Use (WW, 2009) 1 18T (kWh) Electricity Generation (America OECD) 2 1 IEA, Key World Energy Statistics 2011 2 U.S. Energy Information Administration | International Energy Outlook 2011 T (kWh)

8. © 2012 Renesas Electronics America Inc. All rights reserved.8 Energy Use of Battery Battery energy savings are also important Battery energy cost is much larger than line-power Primary$13B 2 Fujikeizai, report 2010 Electric Energy Cost 1 $0.3 / (2000mAh *1.5V) AA Cell 1.5 Alkaline Material Transportation Disposal Battery market size WW ($B) 2 $ 100 / kWh (Primary Battery) 1 $ 0.10 / kWh (Line-Power)

9. © 2012 Renesas Electronics America Inc. All rights reserved.9 Regulations in Building / Appliances Government mandates for new building codes Energy STAR & LEED certification in North America EU 20-20-20: 20% reduction in energy by 2020 Low Stand-by Power for appliances EU mandate < 0.5W (no display) from 2013 MCU contributes to efficient energy control Buildings (zone control) Appliances (low standby power)

10. © 2012 Renesas Electronics America Inc. All rights reserved.10 Energy Efficient Portable / Battery Operated Devices Low Power Smoke, motion or glass break detector need longer battery life High Efficiency Blood glucose meter continues to pack more features and better graphics Low Voltage Remote controller works in low voltage Single cell operation Handheld medical devices Detectors Remote Controllers Thermostat Low power MCU contributes to longer battery life

11. © 2012 Renesas Electronics America Inc. All rights reserved.11 MCU Contribution to the System MCU current is critical in battery operated applications MCU () : Example of the MCU power consumption in a system AC Compressor Fan Gas Control MCU Battery Sensor Communication Display (1%)(70%) Focus (99%)(30%) Low power MCU contributes to longer battery life MCU Contributes to efficient energy control

12. © 2012 Renesas Electronics America Inc. All rights reserved.12 “Squeezing” Every microWatt

13. © 2012 Renesas Electronics America Inc. All rights reserved.13 Key Factors for Low Power MCU System 13 1.Low Voltage Operation 2.Low Active Power (CPU/Flash, Clock Shift/Gating) 3.High throughput (=Short Active time) 4.Low Standby Power with peripherals 5.Fast wake up 542 CPU Peripheral

14. © 2012 Renesas Electronics America Inc. All rights reserved.14 Key Factors Vary by Application Peripheral current in standby mode (RTC, Interval, WDT, LVD or LCD) can be key factors as well as standby current Key factors Applications Active 16MHz etc. RTC + 32kHz LVD Wake up by key input Calendar function Standby WDTLCD Active 4MHz etc. Wake up by key input Standby LVD LCD Active 8MHz etc. Interval + LOCO Wake up at a regular interval LVDWDT Standby

15. © 2012 Renesas Electronics America Inc. All rights reserved.15 Most current consumption from Active mode Most current consumption from Standby mode Most current consumption from Wake up current Which Factor is the Most Important 10usec Active and 10msec Interval is the boundary point 1s 10s 16min Active duty 10us 100us 1ms 10ms 100ms 100us1ms10ms100ms1s10s100s Interval time 1uA * 10msec = 10mAusec Condition here Active :1mA Standby :1uA Wakeup 1 :10 usec 1 Active current 1mA * 10usec = 10mAusec BGM Remote Smoke Detector PIR/Glass Detector

16. © 2012 Renesas Electronics America Inc. All rights reserved.16 Greener Microcontroller Technologies

17. © 2012 Renesas Electronics America Inc. All rights reserved.17 Embedded Flash Technology Roadmap Max. read freq. ESMP 200720082009201020112012201320142015 Memory Structure Tech. Lower power Lower voltage NOR NOR(Split-gate) 40 MHz 130 nm 1.6V VDD 4.6mA 32MHz 0.23uA Standby NOR 2016 2017 MONOS Larger capacity Higher speed Renesas MCUs are Low Power & Low Voltage with 130 nm embedded flash! 50 MHz NOR 130 nm 1.62V VCC 10mA 50MHz 0.45uA Standby 20 MHz NOR 150 nm 1.8V VDD 7.3mA 20MHz 1.1uA Standby

18. © 2012 Renesas Electronics America Inc. All rights reserved.18 2.0V 2.5V 3.0V 3.5V Voltage Low Voltage Operation Maximize battery life Operating voltage Accurate low voltage detection 1.8V 1.6V RL78RX200 2.4V Alkaline Zinc Lithium coin NiMH NiCd Silver Oxide Time /Life Flat Sloping 5.5V 1.84V +/- 0.03~0.04V 1.63V +/- 0.03V 2.45V +/- 0.05V 2.75V +/- 0.05~0.06V LVD detection level 2.0V 2.5V 3.0V 3.5V Frequency (MHz) 2.7V 1.62V Voltage

19. © 2012 Renesas Electronics America Inc. All rights reserved.19 Active Power: Flash Operation Modes Flash modes realize an optimal power consumption VDD VSS CPU, Peripherals I/O Etc. Reg. RL78 Regulator System  HS (High-speed) mode: 32 MHz (VDD = 2.7 to 5.5 V) 16 MHz (VDD = 2.4 to 5.5 V) 2.1V (Active, Halt) & 1.8V(STOP) regulator  LS (Low-speed) mode: 8 MHz (VDD = 1.8 to 5.5 V) 1.8V regulator  LV (Low-voltage) mode: 4 MHz (VDD = 1.6 to 5.5 V) 1.8V regulator LS 8MHz MCU current 1.7mA HS 8MHz LV 4MHz 1.2mA HS 4MHz 0.8mA LS 4MHz 1.7mA 1.2mA 1.3mA 30% down 40% down

20. © 2012 Renesas Electronics America Inc. All rights reserved.20 Active Power: Low Power CPU Architecture RL78 CPU stops the unused decoder or the operator circuitry per every instruction 2nd- Byte 1st- Byte 2nd-byte decoder turned on, only when the instruction is judged as 2 bytes instruction FetchIDMEM Decode + Address operationMEM operation + Write Judge 1 or 2 instruction bytes Add HL +Byte Fetch Write Ex) ADD A, [HL] - Instruction : 1byte - Address Operation : HL - Data Operation : ADD BR$ RAM Bit MUL … Instruction Decoder Address Operator Data Operator Only the operator which will be used in a instruction will be turned on. Current reduction! 25% 50% DecoderOperator 3-stage pipe line 66uA/MHz at basic operation (NOP) Selected “Path” Automatically Adjusted

21. © 2012 Renesas Electronics America Inc. All rights reserved.21 Active Power: Clock Shift and Gating Clock speed is changeable Each clock line can be disconnected independently CPU Flash RTC ADC Watchdog Selector TAU0 TAU1 SAU0 SAU1 IICA0 IICA1 LVD 1 Operation stopped in Halt mode 2 Operation stopped in STOP mode Interval Sel ecto r Clock lines Functions Clock/Buzz Ext. Oscillator: 32 kHz 1, 2 LOCO : (Low speed on-chip Oscillator) 15 kHz ON/OFF 2 2 2 2 2 2 2 2 HOCO: Changeable 32, 16, 8, 4, 2, 1 MHz 24, 12, 6, 3 MHz Ext. Oscillator: 1 - 20 MHz Oscillators 2

22. © 2012 Renesas Electronics America Inc. All rights reserved.22 Active Power: Low Power and Efficiency Clock speed change allows lower power shift Flash mode(HS, LS, LV) provides the best efficiency 144uA/MHz @32MHz HS, 150uA/MHz @8MHz Above characteristics are the typical data based on actual evaluation at VDD=3V and do not guarantee each values Basic : When basic operation (NOP) is executed [mA] Operating Frequency [MHz] Low Power (Active) [uA/MHz] Operating Frequency [MHz] Efficiency (Active)

23. © 2012 Renesas Electronics America Inc. All rights reserved.23 Active Power: Comparison RL78 has low power consumption Both typical values and maximum values Typ. Value (Active)Max. Value (Active) (3.0V) (2.2V) (3.6V) (3V) (2.2) (3.0V) (3.3V) (3.6V)

24. © 2012 Renesas Electronics America Inc. All rights reserved.24 High Throughput: Event Link Controller Reduce real-time response (9~14 clocks 3 clocks) Reduce the CPU processing load (20 clocks 1 0 clock) Contribute to low power consumption Standard processing Processing with ELC CPU Comparator Timer A/D Interrupt Controller Interrupt Controller External analog input voltage CPU Comparator Timer A/D Interrupt Controller Interrupt Controller ELC External analog input voltage 1 approximately

25. © 2012 Renesas Electronics America Inc. All rights reserved.25 Standby: Basic Modes Halt (All peripherals available including DMA/DTC/ELC) STOP (Some standby peripherals still available) 4.6mA * 0.23uA 540uA * * 32MHz Time STOP use case : No CPU No main clock peripherals Waiting for Low speed interval or key STOP RUNRUN 88% down ADCSerial Halt use case : No CPU Waiting for ADC, Serial, Timer(PWM) end 10 Clocks wait is small PWM Halt RUNRUN Ha lt Halt RUNRUN RUNRUN RUNRUN

26. © 2012 Renesas Electronics America Inc. All rights reserved.26 Standby: Snooze Mode (1) SNOOZE mode allows ADC, CSI/UART from STOP

27. © 2012 Renesas Electronics America Inc. All rights reserved.27 ADC Data Active mode STOP modeSnoozeSTOP modeSnooze Active mode ADC Data STOP (32kHz) 0.49uA 4.6mA @32MHz STOP(32kHz) mode 0.49uA 1.2mA1.2m 4.6mA @32MHz + 0.5mA if ADC Enabled Timer Trigger No Data Match Data Match Timer Trigger 42.8us8us 0.5s Standby: Snooze Mode (2) Criteria: Within/Outside Window Over 30% reduction in power consumption vs. to standard ADC operation STOP SNOOZE ACTIVE ADC Value in range Condition Match Process Data No Yes 1 Renesas, White Paper – RL78 Microcontroller Family Using the Snooze Mode Feature to Dramatically Reduce Power Consumption Over 30% 1 reduction in power consumption Over 30% 1 reduction in power consumption

28. © 2012 Renesas Electronics America Inc. All rights reserved.28 Standby: STOP with Peripherals Standby peripherals are still available Low power and configurability is key 0.23uA Interval timer WDT RTC 15kHz LOCO 15kHz LOCO LVD 0.02uA 0.20uA 0.08uA 32kHz oscillator 0.24uA Renesas RL78/G13 A- MCU2 A- MCU3 C- MCU1 Standby : 32kHz + RTC + RAM retained 0.49uA2.1uA (Includes LVD) 0.7uA1.2uA Standby : LOCO + Timer +RAM retained 0.45uA1.2uA (Includes LVD) 0.6uA0.9uA LVD 0.08uA (No dedicated spec) - 2.4uA Standby : RAM retained 0.23uA -- 0.35u A Source : Datasheets, 3V RL78:

29. © 2012 Renesas Electronics America Inc. All rights reserved.29 Standby: Extremely Low Power LCD Controller RL78 offers ‘Split Capacitor’ method Needs only 0.12uA VLC2 VLC1 2x VDD VLC0 3x Resistor Division Current: ~10uA LCD Voltage: VDD Resistor current: Yes Good for Big panel LCD C/D VLC2 VLC1 2x VDD VLC0 3x Charge Pump Current: 1.0uA LCD Voltage: Fixed Resistor current: No Good for Fixed contrast Reg LCD C/D VDD=VLCD Split Capacitor Current: 0.12uA LCD Voltage: VDD Resistor current: No Good for Low Power VLC2 VLC1 X 1/3 X 2/3 LCD C/D

30. © 2012 Renesas Electronics America Inc. All rights reserved.30 Standby: Leakage Current Consideration RL78 current specification includes leakage current RL78: MCU VDDPort VSS Power line GND A-MCU3: STOP (RAM retained): 0.23uA (Typ.) @25C 3.3uA (Max.) @85C The standby current specification includes input leakage current for all pins Leakage per pin 50nA (Max.) It is not clear whether standby current specification includes leakage current

31. © 2012 Renesas Electronics America Inc. All rights reserved.31 Fast Wake Up: Example Fast wake up is critical when active time is <35uS 30usec 100usec RL78 A-MCU3 10usec 1.2mA 2.0mA 22 mAusec 42 mAusec 25usec Wake up time Active Time Condition 1usec 72 mAusec 72 mAusec 35usec 204 mAusec 150 mAusec 100usec No good Better - Simple Status check (1 ADC, Port check etc.) -Increment Standard Timer for Real Time -Glass break detector :35usec -Smoke detector : 400usec -Health care applications : msec to sec -Remote controller : 100msec -UART 1 byte @ 9600bps = 1.04 msec -EEPROM storage ; msec order Active Current

32. © 2012 Renesas Electronics America Inc. All rights reserved.32 Fast Wake Up: Impact is Limited RL78 has advantage in a wide range of applications 1s 10s 16min Active duty 10us 100us 1ms 10ms 100ms 100us1ms10ms100ms1s10s100s Interval time RL78 is better ConditionRL78A- MCU3 8MHz CPU Operation 1.2mA2.0mA CPU STOP + Timer + LOCO 0.45uA0.6uA Wake up time25usec1usec Active time Active duty Interval time 100usec 0.1% / 1% 100msec / 10msec VDD=3V Note : Assuming current consumption during wake up is the same as during the Active BGM Remote Smoke Detector PIR/Glass Detector

33. © 2012 Renesas Electronics America Inc. All rights reserved.33 Power Consumption Comparison RL78 achieves a longer battery life with its true low power combination of active mode and standby mode CR2032 200mAh AA 2000mAh..... ConditionRL78A- MCU3 8MHz CPU Operation 1.2mA2.0mA CPU STOP + Timer + LOCO 0.45uA0.6uA Wake up time25usec1usec Active time Active duty Interval time 100usec 0.1% / 1% 100msec / 10msec VDD=3V Note : Assuming current consumption during wake up is the same as during the Active

34. © 2012 Renesas Electronics America Inc. All rights reserved.34 Low Power MCU System Considerations Summary Direct impact of MCU power consumption Understand which MCU factors are important Features Low voltage operation Low active power – Ex: Operating frequency, clock shift/gating High throughput (ex: CPU, ELC) Low standby power, and low power peripherals – Halt, Stop, Snooze – WDT, LVD, 15kHz Interval, 32kHz RTC, LCD, I/O leakage Wake up time

35. © 2012 Renesas Electronics America Inc. All rights reserved.35 Renesas MCUs Enabling Greener Systems

36. © 2012 Renesas Electronics America Inc. All rights reserved.36 RL78 and RX200 True low power families RL78 (16bit) RX200 (32bit) Low Voltage Operation 1.6V1.62V Low Active Power 4.6mA@32MHz (144uA/MHz) HS, LS, LV 10mA@50MHz (200uA/MHz) HS, MS1-2, LS1-2 High throughput 32MHz (1.27DMIPS/MHz) ELC, DMA, DTC, MAC, MUL/DIV 50MHz (1.56DMIPS/MHz) ELC, DMA, DTC, MAC, MUL/DIV Standb y Mode 4 modes (Halt, SNOOZE, STOP) 5 modes (Sleep, all-module clock stop, Soft standby, Deep Soft standby) Lowest Power 0.23uA0.45uA Wake up25usec~500usec

37. © 2012 Renesas Electronics America Inc. All rights reserved.37 RL78: Roadmap Schedule is preliminary and subject to change SEG LCD ASSP ~ CY 2012 Product Category CY 2013~ GENERAL G1x (USB) G1x (USB) L12 (LCD Standard) 32-64 pin, 8-32 KB L12 (LCD Standard) 32-64 pin, 8-32 KB L1x (USB, Enhanced Analog) L1x (USB, Enhanced Analog) I1A (Lighting) I1A (Lighting) F12 (Auto Body) F12 (Auto Body) D1x (Auto Dashboard) D1x (Auto Dashboard) Metering RF4CE G13 (Standard) 20-128 pin, 16-512 KB G13 (Standard) 20-128 pin, 16-512 KB G12 (Lite) 20-30 pin, 2-16 KB G12 (Lite) 20-30 pin, 2-16 KB G1x (Entry) Sub 20 pins G1x (Entry) Sub 20 pins G14 (High Function) 30-100 pin, 16-256 KB G14 (High Function) 30-100 pin, 16-256 KB G1A (Enhanced Analog) 25-64 pin, 16-64 KB G1A (Enhanced Analog) 25-64 pin, 16-64 KB Capacitive Touch L1x (High Function) L1x (High Function)

38. © 2012 Renesas Electronics America Inc. All rights reserved.38 RX200: Roadmap Schedule is preliminary and subject to change ASSP ~ CY 2012 Product Category CY 2013 GENERAL RX21A 50MHz, 512KB RX21A 50MHz, 512KB RX210 (Standard) 50MHz, 128-512KB RX210 (Standard) 50MHz, 128-512KB RX220 (Compact) 32MHz, 32-256KB RX220 (Compact) 32MHz, 32-256KB RX210 (Small Flash) 50MHz, 64K-256KB RX210 (Small Flash) 50MHz, 64K-256KB RX210 (Large Flash) 50MHz, 1MB RX210 (Large Flash) 50MHz, 1MB 24-bit Δ/Σ ADC 128/256 bit AES Advanced Analog and Meter RX211 (USB)

39. © 2012 Renesas Electronics America Inc. All rights reserved.39 Extensive Ecosystem: Full Development Support Manufacture Develop Explore Evaluate Programmer PG-FP5-EA, Renesas Factory Programmer PG-FP5-EA, Renesas Factory Starter Kit (RSK) Emulators E1, E20 (OCD), IECUBE (Full ICE) Emulators E1, E20 (OCD), IECUBE (Full ICE) Promotion Board ( RPB) Demonstration Kit (RDK) micrium.comcmx.com µC/OS-II and µC/OS-III RTOS CMX-RTX RTOS segger.comfreertos.org embOS RTOS FreeRTOS RL & RX e 2 studio IDE (based on Eclipse) IAR & GNU build support, E1/IECUBE debug support IDE & Compiler Software/Middleware:Hardware: Applilet (RL) / PDG(RX) Device Driver Code Generator (PC GUI Utility) Drivers

40. © 2012 Renesas Electronics America Inc. All rights reserved.40 Energy demand is growing across all markets Low Power MCU is key especially for battery operated applications Multiple factors must be considered for low power systems Renesas offers true low power MCU technologies / Solutions RX: http://am.renesas.com/rxhttp://am.renesas.com/rx RL: http://am.renesas.com/rl78http://am.renesas.com/rl78 Summary

41. © 2012 Renesas Electronics America Inc. All rights reserved.41 Questions? Questions?

42. © 2012 Renesas Electronics America Inc. All rights reserved.42 Challenge: Increase in energy demand and expanded portability. This is true for all kinds of applications, especially for portable battery powered systems. MCUs need to provide a good combination of low power Active mode and Standby mode. Solution: “Renesas offers MCU technologies and solutions to enable Low Power embedded designs” ‘Enabling The Smart Society’

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

44. 44 Energy Efficient Buildings (Example)

45. © 2012 Renesas Electronics America Inc. All rights reserved.45 Energy Efficient Household Appliances Efficient Inverter Control Good dynamic load response Multiple motors or heating elements control Low Stand-by Power EU mandate < 0.5W (no display) from 2013 Stand-by Power for Appliances (2010) MCU is much smaller Active : 4.6mA x 5V = 23mW (5%) Standby : 0.49uA x 5V = 2.45uW (0.0005%) Washer/Dryer, Dishwasher, refrigerator IH cooking MCU Contribute the efficient inverter control MCU power Less important

46. © 2012 Renesas Electronics America Inc. All rights reserved.46 Power Consumption data on the web Over temperature, Voltage, Fx, Modes (RUN, Halt, STOP) Understand the characteristics over the conditions http://www.renesas.com/products/mpumcu/rl78/child/rl78_char.jsp

47. © 2012 Renesas Electronics America Inc. All rights reserved.47 Active Wide selection for interval time RL78 system can wake up by selection from the wide range of interval time and this makes system reduce the unnecessary wake up. RTC timer Interval Timer(12bit) Int. Oscillator: 15 kHz ± 15% Ext. Oscillator: 32.768 kHz * Approximately RTC timer Interval Timer(12bit) Interval Time by timer interrupt 66usec to 273msec 1sec, 2sec, 2min, 2hr, 2day, 2mo * 30usec to 125msec 0.5sec, 1sec, 1min, 1hr, 1day, 1mo MCU without RTC ….. 960 wake ups (125msec interval case) per 2 min2 wake ups (1 min interval) per 2 min RL78 2 min interval application case ….. MCU System Level

48. © 2012 Renesas Electronics America Inc. All rights reserved.48 MCU Power factors MCU system low power is defined by many factors 3 power consumption levels Depend on applications Memory Power Line SerialADC Timer CPUFlash LCD Display Sensor Controlled device LVDLCD WDT 32kHz RTC Interval +LOCO HOCO 1-10mA level :RUN mode 1uA level : STOP mode 10-100uA level :Halt mode (CPU off)

49. © 2012 Renesas Electronics America Inc. All rights reserved.49 Marching Towards a Greener Society Energy use in US in 2010 1 Coal Nuclear Hydro Natural Gas Petroleum Electricity Generation Residential Commercial Industrial Transportati on 12% 9% 23% 27% (5%) 1 DOE/EIA-384(2010) (26%) (8%) (5%) (3%) (8%) (3%)

50. © 2012 Renesas Electronics America Inc. All rights reserved.50 Advanced Features: DTC (Data Transfer Controller) DTC transfers data between memories without CPU Reduce the Active time Fast data transfer(8cycles~) vs. CPU transfer(i.e. 24cycles) CPU DTC (Source:31/39) - INTPx - Key Input - ADC - UARTx - Timers - Comparators (3) Read data (4) Write Data (No.1) (No.24) …… Control (Source) Block size Source Address Destination Address Transfer count Transfer count Reload (1) Activation (2) Read (5) Rewrite Destination Add. Source Add. SFR/RAM (i.e. ADC result) (i.e. RAM for ADC) Control data RAM

51. © 2012 Renesas Electronics America Inc. All rights reserved.51 CortexM0, M0+ comparison RenesasSTNXPFreescale RL78STM32F0LPC11/12KL14 Sub-Family RL78Cortex M0 Cortex M0+ Performance DMIPS/MHz1.390.9 0.93 CPU Speed32MHz48MHz50MHz48MHz MAC/DIVYesNo Effifiency uA/MHz 144uA/MHz250uA/MHz180uA/MHz133uA/MHz 66uA/MHz (Nop exexuted) - 110uA/MHz (While (1) {} executed, low-current mode ) - Voltage range 1.6-5.5V2.0-3.6V1.8-3.6V1.71-3.6V Standby (32kHz + RTC) 0.49uA0.71uANo1.19uA LOCO + Timer 0.22uA0.75uA4uA52uA LVD/BOD0.08uANo51uA0.20uA

52. © 2012 Renesas Electronics America Inc. All rights reserved.52 Freescale CortexM0+ 133uA/MHz 250uA/MHz 400uA/MHz

53. © 2012 Renesas Electronics America Inc. All rights reserved.53 MCU System MCU system low power is defined by many factors Memory MCU Power Line Key Display Sensor Controlled device LVD SerialADC Timer LCD C/D WDT Oscill ator INTPInput Setti ng Input Leakage MCU Device Level - Run current (DMIPS) - Standby current Application Level - Controlled device - Sensor LVD Current LCD Controller /Driver WDT CurrentWake up time Operation VDD range ADC Current ADC Scan Timer/ LOCO MCU System level - SNOOZE, DMA, DTC, ELC, ADC Scan - Good Interval VDD