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LGE Internal Use Only Copyright © 2010 LG Electronics. Inc. All right reserved.
Only for training and service purposes
3. TECHNICAL BRIEF
G
3.7.2 FM Receiver (TEA5991)
The TEA5991 is a single chip FM stereo radio with RDS and RBDS decoder. The radio can be connected to a
headphone antenna and can tune from 70-108 MHz to cover the European, US, Chinese and Japanese FM
band. The radio delivers stereo audio output to an external amplifier. The radio can be controlled with a high
level command based interface through a I2C or SPI-bus.
[Figure3.7.2] shows the FM Radio system architecture in the LGC320.
[Figure3.7.2] FM Radio system architecture
[Figure3.7.2.1] Pin Descriptions
G
ESC6270
AUDIO
SUBSYSTEM
FM
TEA5991
FM_R
FM_L
FM_I2C_SDA
FM_I2C_SDL
HP_R
HP_L
Ear-Jack
FM_ANT
HP_EAR_R
HP_EAR_L