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LGE Internal Use Only Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
3. BB Circuit Technical brief
z 3G Coprocessor Subsystem
- ARM7 TRMI-S
· 240 kByte Instruction RAM
· 64 kByte Data RAM
· 8 kByte Boot ROM
- 20kByte Communication RAM
- HW accelerators for
· Transmit Path
· Inner and Outer Receiver for Release5 incl. HSDPA
3.2.3 RF Interface(T_OUT)
S-Gold® 3H uses this interface to control RF IC and Peripherals.
[Table 3.2.3-1] RF Interface Spec.
T_OUT
Resource Interconnection Description
T_OUT0 TXON_PA PAM Power on
T_OUT1 -
T_OUT2 ANT_SEL1
T_OUT3
T_OUT4 FEM control
T_OUT5 FEM control
T_OUT6 PA_MODE PAM Mode select
T_OUT7 ANT_SEL2
T_OUT8 ANT_SEL3
T_OUT9
T_OUT10
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