LG KE520 Service Manual page 131

6. Block Diagram
Clock Distribution Diagram : Combo Module
WLAN+BT
COMBO MODULE
UART3_RX
BT INTERRUPT
UART3_RX/GPIO_48
LGE Internal Use Only
WLAN_SYSCLK
SYS_CLK_REQ
EXT_CLK_REQ
WLAN_IRQ
WLAN INTERRUPT
DBB
GPIO_5
SERIALRF_SYSCLK
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Combo Module Fast Clock
WLAN_SYSCLK
LDO
ABB RF Transceiver
SYSCLKEN
CKEN
SYSCLKEN
SYSCLK
WAKE_UP
SYSCLK
SLICER_IN
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
TCXO
VOUTTEF1
SLICER_IN