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Handset Hardware Design
Development
Digital India Initiative - smart phone for masses
Presented as a outcome of 45 days Ha...
Agenda
• Team introduction
• a booming economy- India
• Smartphone for Digital India
• Product features
• Hardware design
...
India at glance…
 1.26 billion strong human economy.
 Tele-density ~80% whereas urban areas has about 153.02% and
rural ...
Smartphone based Internet Economy
• Realising Digital India dreams thru smartphone
• Using Internet to access basic G2C se...
paperless, cashless, presence-less system for India
• "People will use mobile wallets rather than cards or cash to make
pa...
Leapfrogging India
• ~100 million citizens has been issued Aadhaar
• Aadhaar authentication enrollment process was introdu...
Leapfrogging India …
• India is mobile first market
• India is leapfrogging the traditional retail landscape for e-commerc...
Aadhaar-compliant device
• Korean manufacturer Samsung having 25% share of Indian
smartphone market in India according to ...
Aadhaar-compliant device …
• Indian fintech startup Simpal is developing ‘OctoPOS’ a sub-
$100 Android device that incorpo...
Smart Phone to fulfill Digital India Dreams
• Android based smart phone
• RGB IR camera sensor for IRIS based authenticati...
Smart Phone to fulfill Digital India Dreams
• Android based smart phone in USD $100 category
• Best of the class SoC– Medi...
Google’s Android – Operating System
• Open source OS having Linux kernel
• Wide range of tools and apps (~2.2 million)
• G...
Hardware MT6737 System block
eMCP
eMMC
LPDDR3/LPDDR2
EMI/32bMSDC 0/8b
Mediatek MT6737
CA 53- 1.25 GHz
Application 2G/EDGE/...
Chipset and key component list
Sensor
M Sensor AKM8963
Gyro Sensor L3G4200D
Proximity sensor CM36652
Accelerometer MC3413
...
MT6737 features
Mobile Handset hardware Design Development Training @ Taiwan 16
MT6737 features …
Power/Performance Optimization as a SoC :
Application-specific SoC design
• Reduced memory bandwidth & f...
Distribution of CPU Clock Speed
1.0 GHz to 1.3
GHz
18.8% Frequency
Most competitive PCBA Cost
MT6737 features
Mobile Hands...
Average Clock Speed By CPU
Core Count
4 Cores
Average CPU Clock
speed 1.77 GHz
The average clock speed by manufacturer
htt...
embedded Multimedia Card (eMMC)
An eMMC Flash device is a non-
volatile, rewritable mass storage
device. It is used in con...
MT29TZZZ8D5JKEZB-107 - Micron
• Capacity: 8GB: eMMC and 8Gb: 1 x
8Gb LPDDR3
• Advanced 12-signal interface
• The eMMC and ...
Biometric Sensors
RGB IR Camera & Finger Print
Mobile Handset hardware Design Development Training @ Taiwan 22
Motivation
• Still Majority of Indians are in Remote and Not Connected to
mainstream.
• Not aware and not able to access m...
The objective of Unique Identification
Authority of India (UIDAI) is to collect
the biometric and demographic data of
resi...
Mobile Handset hardware Design Development Training @ Taiwan 25
G2C services based on Aadhaar
Product Specifications RGB IR
Mobile Handset hardware Design Development Training @ Taiwan 26
Part Number OV02281-GA4A
Res...
IR Sensor - Advantage
• Save Space
• Save Cost
• Avoid Parallax error
• Improve Reliability
• Detect High Speed Gesture
• ...
Finger Print
FPC1025 Touch Fingerprint Sensor
- FPC1025
● High scratch resistance and glossiness
● Compact size
● High accuracy of auth...
Key Parts Selection -sensors
• M Sensor- AK09911
• 3-axis electronic compass IC with high
sensitive Hall sensor technology...
Key Parts Selection -sensors
• Accelerometer- MC3410
• low-noise, integrated digital output 3-axis
accelerometer.
• intern...
Braille Touch
Rajesh
Mobile Handset hardware Design Development Training @ Taiwan 32
Braille Touch – enabled smart phone
“India is now home to the world's largest
number of blind people. Of the 37
million pe...
Why & Why not Braille on smart phone ?
To read without braille, a person who is blind is entirely dependent on computers
w...
Braille Pad
Working Principle
Step 1:
Paste the brail screen guard pad
Step 2:
Enable the brail app to activate the brail
...
Braille GUI
Main Menu:
For selecting major services
•Make / Receive call
•Send / Receive SMS
•Panic button
•Media service
...
How to Fix Braille Pad on Smart phone?
• The standard Braille pad can be easily made as a
part of screen guard with out mu...
Demo & Development process
• We have designed and developed the braille pad prototype and Android
application/ driver for ...
Conclusion
• Medium for supporting various G2C Aadhaar
based services.
• Economical solution for providing socio-
economic...
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Handset Design for Digital India Initiative

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Mobile handset design in sub $100 category using state of art MediaTek 6737 chipset.

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Handset Design for Digital India Initiative

  1. 1. Handset Hardware Design Development Digital India Initiative - smart phone for masses Presented as a outcome of 45 days Handset Design training in Taiwan
  2. 2. Agenda • Team introduction • a booming economy- India • Smartphone for Digital India • Product features • Hardware design • Key part selection, schematic, MediaTek Module Design, memory, Sensor • Product specification • Conclusion • Q & A Mobile Handset hardware Design Development Training @ Taiwan 2
  3. 3. India at glance…  1.26 billion strong human economy.  Tele-density ~80% whereas urban areas has about 153.02% and rural around 50.33%. Some metros has more than 200% tele- density.  More than 1000 million# telecom users  204 million smartphone users (more then USA.)  Still Smartphone penetration is under 20%  Very impressive 28% CAGR* for the period 2013-2017  More than 50% mobile-only* Internet users * KPMG IAMAI Mobile internet vision 2017 # TRAI India a booming economy Mobile Handset hardware Design Development Training @ Taiwan 3
  4. 4. Smartphone based Internet Economy • Realising Digital India dreams thru smartphone • Using Internet to access basic G2C services like tax payment, licence registration or renewal, passport, birth/death registration, etc. • smartphones to be made within reach of a common-man. Mobile Handset hardware Design Development Training @ Taiwan 4
  5. 5. paperless, cashless, presence-less system for India • "People will use mobile wallets rather than cards or cash to make payments for their day-to-day shopping " • Jitendra Gupta founder, Citrus Pay • Market for mobile-enabled payments in India grew more than fifteen times between 2012 and 2015 to reach its current size of $1.4bn (£979m). by GrowthPraxis BBC • 200 million registered mobile wallet accounts • More than 1 lac bank branches but less then 20% in rural India • "person-to-person money transfer will be a real game changer" Mobile Handset hardware Design Development Training @ Taiwan 5
  6. 6. Leapfrogging India • ~100 million citizens has been issued Aadhaar • Aadhaar authentication enrollment process was introduced in 2010 has fingerprint and Iris-based authentication technology • Recently caught the imagination of the smartphone makers. • "Iris is going to help with accuracy," Piyush Peshwani* . "People who do a lot of manual work with their hands — their fingerprint actually wears off, but the iris is something that still remains." • Pain areas • Mumbai's 250,000 rickshaws, barely 10% accept electronic payment. * Piyush worked in building the Aadhaar platform from 2011 to 2013Mobile Handset hardware Design Development Training @ Taiwan 6
  7. 7. Leapfrogging India … • India is mobile first market • India is leapfrogging the traditional retail landscape for e-commerce, says Kunal Bahl, CEO of Snapdeal. • India’s E-commerce landscape is about 15-20% which is much above the rest of the world stats. • Online market is valued at $6.5 billion * • Posted 90% YoY growth in its gross merchandise value * Kunal Bahl speaking to CNBC Mobile Handset hardware Design Development Training @ Taiwan 7
  8. 8. Aadhaar-compliant device • Korean manufacturer Samsung having 25% share of Indian smartphone market in India according to IDC — is the only company with an Aadhaar-approved device currently on the market. • The Galaxy Tab Iris costs around $200 and features the sort of iris- recognition technology the government would like to see embedded in all devices aimed at the Indian market Mobile Handset hardware Design Development Training @ Taiwan 8
  9. 9. Aadhaar-compliant device … • Indian fintech startup Simpal is developing ‘OctoPOS’ a sub- $100 Android device that incorporates iris recognition technology. • Device is being manufactured in China. • OctoPOS, combines the capabilities of a smartphone and a payment device, designed for both consumers and merchants. • OctoPOS iris scanning engine has been certified by STQC Labs • OctoPOS also has an integrated Near Field Communications chip that can accept any RFID and contact list cards realtime,path-breakingsystem Mobile Handset hardware Design Development Training @ Taiwan 9
  10. 10. Smart Phone to fulfill Digital India Dreams • Android based smart phone • RGB IR camera sensor for IRIS based authentication for Aadhaar enabled monetary transactions • Finger print sensor for Aadhaar authentication • Braille enabled accessories for physical challenged • Five figure Multitouch, Panic button Mobile Handset hardware Design Development Training @ Taiwan 10
  11. 11. Smart Phone to fulfill Digital India Dreams • Android based smart phone in USD $100 category • Best of the class SoC– MediaTek MT6737 • CPU – ARM Cortex-A53,1.25GHz, 4 core • GPU – ARM Mali-T720 MP2, 600MHz • RAM – 2 GB, 640 MHz • Storage – 16 GB • Display – 5in, IPS 720 x 1280 pixels 24 bit • Battery – 3100mAh Non-removable Li-Po • Modem : LTE FDD/TDD R9 CAT4 DC-HSPA+, TD-SCDMA/ EDGE, CDMA 2000 • Positioning – GPS, A-GPS • Connectivity : WLAN/BT/FM/GPS • Dimensions – 78 x 156 x 8.9 mm • Dual SIM Mobile Handset hardware Design Development Training @ Taiwan 11
  12. 12. Google’s Android – Operating System • Open source OS having Linux kernel • Wide range of tools and apps (~2.2 million) • Google chrome, maps, wide variety of apps support • Google wallet, NFC support • Google Now/Assistant • Market leader, with industry standard devices support microSD card, charging, etc Period Android iOS Windows Phone 2015 Q4 79.6% 18.7% 1.2% 2016 Q1 83.5% 15.4% 0.8% 2016 Q2 87.6% 11.7% 0.4% 2016 Q3 86.8% 12.5% 0.3% 5 year CAGR (forecast) 4.6% 1.0% -48.6% Source: IDC, Nov 2016 Mobile Handset hardware Design Development Training @ Taiwan 12
  13. 13. Hardware MT6737 System block eMCP eMMC LPDDR3/LPDDR2 EMI/32bMSDC 0/8b Mediatek MT6737 CA 53- 1.25 GHz Application 2G/EDGE/WCDMA/ TDS/LTE Modem CDMA Modem (MD3) WiFi/Bluetooth/GPS GPU ARM T720 MP1 CA 53- 1.25 GHz CA 53- 1.25 GHz CA 53- 1.25 GHz 28 nm SOC SIM Card 1 SIM Card 2 PMIC + Audio Codec MT6328 Fast Pulse Charger RTC / Backup Battery Micro USB Receiver Mic1/Mic2 3.5mm Stereo Audio Jack Vibrator Speaker I2S SPI USB 2.0 2M Sub camera with IRIS 13M camera I2Cx MIPI CSI MIPI CSI HD (MIPI interface) LCM Capacitive Touch Screen CTP controller I2Cx MIPI DSI NFC MT6605 T-Flash Accelerometer ALS+PS Sensor Gyro Sensor Magnetometer I2Cx I2Cx MSDC Transceiver MT6169 Connectivity RF MT6625L BT/WiFi/FM/GPS RF FEM or ASM Power Amplifier BT/WiFi/FM/GPS Antenna Tuner Tuner LTE Antenna C2K/RXD Antenna BSI I/Q I/Q I/Q I/Q Rx Tx FE MIPI FE MIPI FE MIPI Mobile Handset hardware Design Development Training @ Taiwan 14
  14. 14. Chipset and key component list Sensor M Sensor AKM8963 Gyro Sensor L3G4200D Proximity sensor CM36652 Accelerometer MC3413 Mobile Handset hardware Design Development Training @ Taiwan 15 Item Part Number AP MT6737 PMIC MT6328 Transceiver MT6169 & MT6158 Connectivity MT6630 Memory 16GB MT29TZZZ8D5JKEZB-107 Rear camera 13MP ​IMX135 Front camera 2MP with IRIS sensor OV2281 RF H/M/L PA ​SKY77643 RF TXM ​SKY77910
  15. 15. MT6737 features Mobile Handset hardware Design Development Training @ Taiwan 16
  16. 16. MT6737 features … Power/Performance Optimization as a SoC : Application-specific SoC design • Reduced memory bandwidth & frequency • Mixing High / Low Voltage transistors • Twisting floorplan, routing, clock tree design • Power gating/Clock gating/DVFS • Four modes: Run, Standby, Dormant, Shutdown • Fine-grained pipeline shutdown • Faster register save and restore (state save/ restore) • Power domains & voltage domains • MT6737 promises a 10-20% increase in performance • 25% more efficient battery use • 52% improved battery efficiency during idle mode. • 20~34% better GPU Performance. Mobile Handset hardware Design Development Training @ Taiwan 17
  17. 17. Distribution of CPU Clock Speed 1.0 GHz to 1.3 GHz 18.8% Frequency Most competitive PCBA Cost MT6737 features Mobile Handset hardware Design Development Training @ Taiwan 18
  18. 18. Average Clock Speed By CPU Core Count 4 Cores Average CPU Clock speed 1.77 GHz The average clock speed by manufacturer http://system-on-a-chip.specout.com/ Mediatek Average CPU Clock speed 1.77 GHz MT6737 features Mobile Handset hardware Design Development Training @ Taiwan 19
  19. 19. embedded Multimedia Card (eMMC) An eMMC Flash device is a non- volatile, rewritable mass storage device. It is used in consumer products such as mobile phones, PDAs, and digital cameras. Reasons why eMMC Flash devices have become widespread include: Mobile Handset hardware Design Development Training @ Taiwan 20 eMMC Advantage  High data storage capacity  Easy to integrate into the host system  fast time-to-market  high performance  future-proof design  multi-source availability  The eMMC standard developed by the MMCA and the JEDEC is an open, royalty-free standard.
  20. 20. MT29TZZZ8D5JKEZB-107 - Micron • Capacity: 8GB: eMMC and 8Gb: 1 x 8Gb LPDDR3 • Advanced 12-signal interface • The eMMC and Mobile LPDRAM devices are packaged with separate interfaces • Adjustable clock frequency & stop capabilities. • Hardware reset signal. • e.MMC I/F clock frequency: 0 to 200 MHz Mobile Handset hardware Design Development Training @ Taiwan 21
  21. 21. Biometric Sensors RGB IR Camera & Finger Print Mobile Handset hardware Design Development Training @ Taiwan 22
  22. 22. Motivation • Still Majority of Indians are in Remote and Not Connected to mainstream. • Not aware and not able to access many of the services. • Proving identity first step towards accessing public services • Need to Improve governance. • Illegal immigration Mobile Handset hardware Design Development Training @ Taiwan 23
  23. 23. The objective of Unique Identification Authority of India (UIDAI) is to collect the biometric and demographic data of residents and issue a 12-digit unique identity number called Aadhaar to each resident. It is considered the world's largest national identification number project. UID Power of identity Enhanced access to services Direct benefits to poor Reach out to marginal groups Eases mobility • UID mandate: • Better public service delivery • Financial inclusion • Transparency Mobile Handset hardware Design Development Training @ Taiwan 24 Biometric Identity
  24. 24. Mobile Handset hardware Design Development Training @ Taiwan 25 G2C services based on Aadhaar
  25. 25. Product Specifications RGB IR Mobile Handset hardware Design Development Training @ Taiwan 26 Part Number OV02281-GA4A Resolution 1080p Chroma B&W Analog / Digital Digital Power Requirement Active: 126 mW Standby: 166 µW XSHUTDOWN: 1 µW Temperature Range Stable image: -20°C to +60°C junction temperature Operating: -30°C to +85°C junction temperature Interface MIPI serial output interface Output Format 10-bit B&W RAW data Optical Format 1/7.5" Frame Rate Full @ 30 fps 1080p @ 60 fps 1080x1920 @ 30 fps Pixel Size 1.12 µm Image Area 2214 x 2214 µm Package COB, RW Package Dimensions 4050 x 3400.2 µm
  26. 26. IR Sensor - Advantage • Save Space • Save Cost • Avoid Parallax error • Improve Reliability • Detect High Speed Gesture • Add security feature RGB IR Mobile Handset hardware Design Development Training @ Taiwan 27
  27. 27. Finger Print
  28. 28. FPC1025 Touch Fingerprint Sensor - FPC1025 ● High scratch resistance and glossiness ● Compact size ● High accuracy of authentication ● 360° readability ● Supports Finger FlashTM. Mobile Handset hardware Design Development Training @ Taiwan 29
  29. 29. Key Parts Selection -sensors • M Sensor- AK09911 • 3-axis electronic compass IC with high sensitive Hall sensor technology. • Built-in A to D Converter for magnetometer data out • · 14-bit data out for each 3 axis magnetic components • Gyro Sensor-ITG1010 • Monolithic X-, Y-, Z-Axis angular rate sensor (gyros) integrated circuit. • Fast Mode (400kHz) I 2C serial interface. • 16-bit ADCs for digitizing sensor outputs. • FIFO can be accessed through both I2 C and SPI interfaces. • On-chip timing generator clock frequency ±1% drift over full temperature range. • Flexible VDDIO reference voltage allows for multiple I 2 C and SPI interface voltage levels • VDD supply voltage range of 1.71 V to 3.6V AK09911 ITG1010 Mobile Handset hardware Design Development Training @ Taiwan 30
  30. 30. Key Parts Selection -sensors • Accelerometer- MC3410 • low-noise, integrated digital output 3-axis accelerometer. • internal sample rate is fixed at 1024 samples / second.. • Low-noise architecture minimizes false triggering. • I2C interface, up to 400 kHz • RGB / PS Sensor-CM36652 • Operates CS and PS in parallel structure • Low power consumption I2C (SMBus Compatible) Interface • Linearity CS response for easy design • Spectrum close to real human eye responses • Selectable Maximum detection range (14422884576811536) lux with highest sensitivity 0.022 lux/step • Immunity to red glow (940 nm IR LED) • Programmable ILED sink current • Intelligent cancellation to reduce cross talk phenomenon • Smart persistence scheme to reduce PS response time CM36652 Block dia- MC3410 MC3410 Mobile Handset hardware Design Development Training @ Taiwan 31
  31. 31. Braille Touch Rajesh Mobile Handset hardware Design Development Training @ Taiwan 32
  32. 32. Braille Touch – enabled smart phone “India is now home to the world's largest number of blind people. Of the 37 million people across the globe who are blind, over 15 million are from India” Times of India • Top 5 smart Phones For Blind – 2016 – But none support brail Mobile Handset hardware Design Development Training @ Taiwan 33
  33. 33. Why & Why not Braille on smart phone ? To read without braille, a person who is blind is entirely dependent on computers with voice synthesizers or audio recording, neither of which is useful in every circumstance. (CNIB) Braille brings sight to the visually impaired and blind. -Indian Association for Blind Braille reader accessary • Low cost brail reader support for smart phone • Reliable brail reader which supports all basic smart phone platform “On a basic 5” touch screen with brail pad we can able provide minimum up to 30 odd features without Multiplexing the keys” Mobile Handset hardware Design Development Training @ Taiwan 34
  34. 34. Braille Pad Working Principle Step 1: Paste the brail screen guard pad Step 2: Enable the brail app to activate the brail android app during startup Step3: Follow the GUI and braille pad key pad options for obtaining the service Mobile Handset hardware Design Development Training @ Taiwan 35
  35. 35. Braille GUI Main Menu: For selecting major services •Make / Receive call •Send / Receive SMS •Panic button •Media service •Surfing internet •Location tracking •Social media service Mobile Handset hardware Design Development Training @ Taiwan 36
  36. 36. How to Fix Braille Pad on Smart phone? • The standard Braille pad can be easily made as a part of screen guard with out much change in price. Two innovative ideas are presenting as a part of this presentation 1. Make the brail pad print on the screen guard • Advantage – Transparent and no additional attachment is required 2. Make the pad on standard braille supported transparent paper and paste it on the screen guard • Advantage more efficient touch for the blind user Mobile Handset hardware Design Development Training @ Taiwan 37
  37. 37. Demo & Development process • We have designed and developed the braille pad prototype and Android application/ driver for testing the feature • Software / Hardware Tools for application development: • Android App inventor from MIT Labs • Test setup: • Make a phone call using Braille pad: • Braille pad pasted on MediaTek6737 based Wind phone • Synchronized with online MIT App inventor tool and downloaded the App to smartphone • Result: Made a phone call successfully with the help of braille pad Mobile Handset hardware Design Development Training @ Taiwan 38
  38. 38. Conclusion • Medium for supporting various G2C Aadhaar based services. • Economical solution for providing socio- economic equivalence to visually impaired. • Digidhan smartphone under USD $100 category. • Leads to good governance for all. Mobile Handset hardware Design Development Training @ Taiwan 39

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