External Audio Codec Interface - LG T5100 Service Manual

2. TECHNICAL BRIEF
T5100 camera module requires 2.8V for I/O, 2.8V for analog,1.8V for core.
After Power-ON ,The initial setting and mode changing of camera module is done through I2C Bus by
SH7300 chip.
In camera power down mode,SH7300 controls its GPIO pin(Net name :CAM_PWR_EN) as 'LOW'.
T5100 has a special white LED for camera flash function. This function is controlled by GPIO of DBB
And the scheme is described at (Figure 18).
Figure 19. Camera Flash LED control scheme
E. External Audio Codec Interface
In T5100, external audio codec is used for MPEG4 decoding. Additionally , During incoming call
External audio codec amplifys stereo Midi sound outputput.
Figure 20. External Audio Codec Interface Scheme
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