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Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
3. TECHNICAL BRIEF
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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
PM6658
USIM
USIM CLK
USIM Reset
USIM Data
USIM Data
USIM Reset
USIM CLK
VREG_USIM 2.85V
Figure. SIM Interface
Summary of Contents for CT815
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