3. TECHNICAL BRIEF
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EBU_WAIT_n _WAIT
EBU_SDCLKO SDCLKO
EBU_SDCLKI SDCLKI
EBU_BFCLKO BFCLKO
EBU_BFCLKI BFCLKI
EBU_CKE CKE
SSC1_SCLK F_DPD
T_OUT0 TXON_PA RF Power amp turn on
GPIO_44 VIBRATOR_EN
Vibrator enable(High: enable, Low:disable)
T_OUT2 PA_BAND RF band select
T_OUT3 ANT_SW1 RF FEM control signal 1
T_OUT4 ANT_SW2 RF FEM control signal 2
EINT3 ANT_SW3 RF FEM control signal 3
T_OUT6 MODE For RF
GPIO_50 KP_OUT(4) Key pad
GPIO_51 AU_PWR_EN Audio amp power enable( active high)
CC1CC3IO LCD BACKLIGHT LCD Backlight Control
GPIO_53 JACK_DETECT
For Headset Detect(High:
unplugged, Low: plugged)
GPIO_54 _FM_RESET FM Radio chip reset
GPIO_55 AF_PWR_EN Auto focus power enable( active high)
RF_STR0 EN RF Transceiver chip enable
GPIO_57 TF_DETECT
Micro SD card detect (High:
inserted, Low: ejected)
RF_DATA DA RF Transceiver chip data
RF_CLK CLK RF Transceiver chip clock
System port
AFC AFC
Automatic Frequency control DAC
output for 26MHz VCTCXO
CLKOUT0 [<=26MHz] Not Use
F26M 26MHZ_MCLK
Baseband processor PLL
input Main clock
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