Smartphone Hard-ware Architecture

Mokwon UniversityYong Heui CHO( 조용희 )

yhcho@mu.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

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

Samsung Galaxy S III

7 ←techrepublic.com

Samsung released Galaxy S III in May 2012. Quad-core A9 processor

Breakdown of Galaxy S III

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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) 2,100 [mAh]: unit for energy (W x hour)

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A9 Processor 1.4 GHz, 2 GB RAM Designed by Samsung (licensed

from ARM) and manufactured by Samsung

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NEON: Multimedia

Jack, Speaker, GPS An-tenna

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2 GB Mobile DRAM

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PMIC

Qualcomm Power Management IC

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RF Transceiver

Qualcomm multiband/mode RF transceiver

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Quad-Band PA

TriQuint GSM/GPRS/EDGE power amplifier

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LTE PA