LG KE600 Service Manual - Page 30
Micro SD card detect High
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3. TECHNICAL BRIEF EBU_WAIT_n EBU_SDCLKO EBU_SDCLKI EBU_BFCLKO EBU_BFCLKI EBU_CKE SSC1_SCLK _WAIT SDCLKO SDCLKI BFCLKO BFCLKI CKE F_DPD T_OUT0 GPIO_44 T_OUT2 T_OUT3 T_OUT4 EINT3 T_OUT6 GPIO_50 GPIO_51 CC1CC3IO GPIO_53 GPIO_54 GPIO_55 TXON_PA VIBRATOR_EN PA_BAND ANT_SW1 ANT_SW2 ANT_SW3 MODE KP_OUT(4) AU_PWR_EN LCD BACKLIGHT JACK_DETECT _FM_RESET AF_PWR_EN RF_STR0 GPIO_57 RF_DATA RF_CLK System port AFC CLKOUT0 [
3. TECHNICAL BRIEF
- 31 -
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