LG GS290 Service Manual page 20

GS290 Operational Description
3.2.3. External Devices connected to memory interface
Table 1. Memory interface
Device Name
FLASH K522H1HACB-B060
DDR K522H1HACB-B060
LCD IM300IBN1A
Melody IC Not Used
3.2.4. RF Interface (T_OUT)
S-Gold3 uses this interface to control RF IC and Peripherals. 13 signals are provided switch on/off RF ICs
Periodically each TDMA frame.
Table 2. RF Interface Spec.
T_OUT
Resource
T_OUT0
T_OUT1
T_OUT2
T_OUT3
T_OUT4
T_OUT5
T_OUT6
3.2.5. USIF Interface
GS290 have three USIF Drivers as follow :
- USIF1 : Hardware Flow Control / SW upgrade / Calibration
- USIF2 : Not used Rx, Tx and CTS, RTS use BT Interface
- USIF3 : BT Interface
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Only for training and service purposes
LG Electronics
Maker
SAMSUNG
SAMSUNG
LGIT
S/W
Interconnection
TXON_PA
N/A
PA_BAND
N/A
N/A
Other function
PA MODE
Remark
Synchronous / A synchronous
Synchronous 166MHz
8bit access 2 times transmission
Infineon Software CODEC
Description
PAM Power on
N/A
TX RF band select
N/A
N/A
-
PAM Mode select
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3. TECHNICAL BRIEF
Revision B
LGE Internal Use Only
LGE Property