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Only for training and service purposes
LGE Internal Use Only
3. Technical Brief
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3.5.2 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.xx.x.x] shows the FM Radio system architecture in the BL42K.
[Figure3.xx.x.x]
Pin Descriptions
[Figure3.xx.x.x]
G
QSC6270
AUDIO
SUBSYSTEM
FM
TEA5991
FM_R
FM_L
FM_I2C_SDA
FM_I2C_SDL
HP_R
HP_L
5pin MicroUSB Connector
FM_ANT
HP_EAR_R
HP_EAR_L