Smartphone Hard-ware Architecture

Mokwon UniversityYong Heui CHO( 조용희 )

yhcho@mwu.ac.kr

Definition

Smartphone Mobile phone + computer + sensors +

wireless I/O Mobile OS: speed vs. battery life

2 ←inbritech.com

Computer of Tomorrow

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Devoid of CPU and memory

Smartphone HW: AP

Application Platform Chip AP: Application Processor Flash memory Mobile Dynamic RAM PMU: Power Management Unit Audio Codec Bluetooth WiFi

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Connectivity Platform Chip CPU: Central Processing Unit DSP: Digital Signal Processing

RF baseband processing Voice processing

PA: Power Amplifier Tx-Rx switch DAC + ADC

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Smartphone HW: CP

UMTS/HSDPA/HSUPA 850, 900, 1900, 2100 MHz

GSM/EDGE 850, 900, 1800, 1900 MHz

CDMA EV-DO Rev. A 800, 1900 MHz

World Phone Capability

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- UMTS: Universal Mobile Telecommunications System- HSDPA: High Speed Downlink Packet Access- GSM: Global System for Mobile communication- EDGE: Enhanced Data rates for GSM Evolution- EV-DO: Evolution-Data Optimized

Openmoko Project

Open source mobile phone project

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UART: Universal Asynchronous Rx/Tx

SDIO: Secure Digital I/O

GPIO: General Purpose I/O

I2C: Inter-Integrated Circuit

Apple iPhone 5S

8 ←ifixit.com

Apple released iPhone 5S in Sept. 2013. A7 dual-core processor: the first 64-bit pro-

cessor for a smartphone M7 motion coprocessor Touch ID: fingerprint recognition system

Breakdown of iPhone 5S

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←ifixit.com

Without battery

Mother-Board326 ppi Retina display

Li-ion Battery

3.8 [V]: used for bias of active devices (amplifiers, mixers, …) This voltage should be small to consume

smaller power (P = I x V) 5.92 [Whr]: unit for energy (W x hour) 1,560 [mAhr]: unit for current duration

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Apple A7 Processor SoC (System on Chip): 64 bits, 1.3 GHz, 1GB(?) Instruction set (architecture): ARMv8-A (many regis-

ters) Core: Cortex-A53/A57(?) Designed by Apple (licensed from ARM) and manufac-

tured by Samsung

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Instruction Data

NEON: Multimedia

SIMD: Single Instruction Multiple Data

Home Button & Touch ID

Fingerprint scanner CMOS chip and bunch of capacitors Detection by very small capacitors Developed by AuthenTec

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WiFi Module

Murata 339S0205 Wi-Fi module based on the Broadcom BCM4334 Dual-band 2.4 GHz and 5 GHz IEEE 802.11 a/

b/g/n Wi-Fi connectivity Bluetooth 4.0 + HS (High Speed) Integrated FM radio receiver 5G WiFi(?): 2x2 MIMO

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WiFi Module

Mother-Board

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M7 Motion Coprocessor

Qualcomm MDM9615M Baseband Modem

Qualcomm WTR1605L LTE/HSPA+/CDMA2K/TDSCDMA/EDGE/GPS Transceiver

A7 Processor

Samsung Galaxy S4

15 ←ifixit.com

Samsung released Galaxy S4 in April 2013. Samsung Exynos 5 Octa: big.LITTLE

Li-ion Battery

3.8 [V]: used for bias of active devices (amplifiers, mixers, …) This voltage should be small to consume

smaller power (P = I x V) 9.88 [Whr]: unit for energy (W x hour) 2,600 [mAh]: unit for current duration

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Exynos 5 Octa 1.6 GHz quad-core ARM Cortex-A15

and 1.2 GHz quad-core ARM Cortex-A7 (ARM big.LITTLE), 2GB RAM

Designed by Samsung (licensed from ARM) and manufactured by Samsung

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←electronicsweekly.com

←howchip.com

Sensors

18←androidheadlines.com

Antennas

19←raymaps.com

Nexus5 Block Diagram

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