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Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
3. TECHNICAL BRIEF
HCI UART data receiveHCI_RX
HCI UART INTERFACE
High Z with PD, except when transmitting voice samplesAUD_OUT
AUD_IN
AUD_FSYNC
Input-when external codec is configured as master(default configuration)AUD_CLK
I/O NAME
Analog ground/RF analog groundVSSA
Digital groundVSS
GROUND
BGAP reference current(used only for test)BGAP_I
EXT_CLK_REQ_OUTGPIO0
BGAP reference voltageBGAP_V
EXT_CLK_REQ_INGPIO1
Baseband LDO outputBB_LDO_OUT1
Power supply for I/OVDD_IO1
Battery power supplyVBAT
POWER SUPPLY
Devices shutdown input(active low) also acts as power-on resetNSHUT_DOWN
Keep alive outputKA_OUT
Very-low drop-output voltageVLDC_OUT
POWER MANAGEMENT
Receiver/transmit differential RF/IORFM
Receiver/transmit differential RF I/ORFP
RADIO FREQUENCY INTERFACE
Analog LDO outputANA_LDO_OUT
Positive fast crystal in/fast clock inputXTALP/FAST_CLK_IN
OSC LDO outputOSC_LDO_OUT
32.768.kHz clock inputSLOW-CLK_IN
CLOCKS/GLOBAL SIGNALS
DescriptionPin
HCI UART data transmitHCI_TX
Baseband LDO input voltageVDD_IN_BB
RFIO LDO output, power source for RF elementsRFIO_LDO_OUT
Negative fast crystal inXTALM
3.5.2 Pin Description
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