Pin Description - LG KE590 Service Manual

3.5.2 Pin Description

Pin
CLOCKS/GLOBAL SIGNALS
SLOW-CLK_IN
XTALM
XTALP/FAST_CLK_IN
RADIO FREQUENCY INTERFACE
RFP
RFM
POWER MANAGEMENT
VLDC_OUT
KA_OUT
NSHUT_DOWN
POWER SUPPLY
VBAT
VDD_IO1
BB_LDO_OUT1
ANA_LDO_OUT
RFIO_LDO_OUT
OSC_LDO_OUT
VDD_IN_BB
BGAP_V
BGAP_I
GROUND
VSS
VSSA
I/O NAME
AUD_CLK
AUD_FSYNC
AUD_IN
AUD_OUT
GPIO0
GPIO1
HCI UART INTERFACE
HCI_RX
HCI_TX
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
Description
32.768.kHz clock input
Negative fast crystal in
Positive fast crystal in/fast clock input
Receiver/transmit differential RF I/O
Receiver/transmit differential RF/IO
Very-low drop-output voltage
Keep alive output
Devices shutdoun input(active low) alsoacts as power-on reset
Battery power supply
Power supply for I/O
Baseband LDO output
Analog LDO output
RFIO LDO output, power source for RF elements
OSC LDO output
Baseband LDO input voltage
BGAP reference voltage
BGAP reference current(used olny for test)
Digital ground
Analog ground/RF analog ground
Input-when external codec is configured as master(default
configuration)
High Z with PD, except when transmitting voice samples
EXT_CLK_REQ_OUT
EXT_CLK_REQ_IN
HCI UART data receive
HCI UART data transmit
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3. Circuit Description
LGE Internal Use Only