Only For Training And Service Purposes - LG CT815 Service Manual

B. the others
■ TRK_LO_ADJ : TCXO(19.2M) Control
■ PA_ON0/PA_RANGE0 : WCDMA(2100) TX Power Amp Enable
■ ANT_SEL[0-2] : Ant Switch Module Mode Selection(WCDMA,GSM Tx/Rx,DCS-PCS Tx/Rx)
■ GSM_PA_BAND : GSM/DCS-PCS Band Selection of Power Amp
■ GSM_PA_RAMP : Power Amp Gain Control of APC_IC
■ GSM_PA_EN : Power Amp Gain Control Enable of APC_IC
3.12.2 MSM Sub System
3.12.2.1 USIM Interface
SIM interface scheme is shown in Figure.
And, there control signals are followed
■ USIM_CLK : USIM Clock
■ USIM_Reset : USIM Reset
■ USIM_Data : USIM Data T/Rx
MSM6280
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Only for training and service purposes

USIM CLK
USIM Reset
PM6658
USIM Data
Figure. SIM Interface
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3. TECHNICAL BRIEF
VREG_USIM 2.85V
USIM CLK
USIM
USIM Reset
USIM Data
LGE Internal Use Only