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3.1.6 Mixed Signal
• Improved audio performance
• Loudspeaker Audio Class D Amplifier, 900 mW@8
• Stereo Headset 2x30 mW@16
• Mono Earpiece 100 mW@16
• Digital microphone supported
• Differential microphone inputs
3.1.7 FM Radio
• Direct-to-Battery Connection
– LDOs (incl. capless)
– DC/DC step-down converter
• Battery Type
– Li-ion
• Charging control
– Battery temperature
– Over Voltage / Over Current protection
• External Charger
– 4.8v / 400mA input
• USB battery charging
– USB charging spec 1.0 compliant
3.1.8 Main LCD Display
• Type
– 176*220, QCIF, 262k color (parallel)
• Interface
– Parallel 8bit
– Interf. voltage at 1.8V or 2.8V
• gRacr - Display Controller (Hardware)
– 30 fps Display update without DMA (up to 60 fps) (full or partial)
– Video post processing Scaling, Rotation (90 steps), Mirroring
– Overlay with alpha blending
– Color conversion YUV -> RGB
– 2D vector graphics (Lines, filled rectangles, Bit block transfer (e.g. sprites, scrolling,
antialiased bitmap fonts)
Copyright © 2011 LG Electronics. Inc. All right reserved.
Only for training and service purposes
mono for hands-free and ringing
w/o coupling C
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3. TECHNICAL BRIEF
3. TECHNICAL BRIEF
LGE Internal Use Only
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