LG KS360 Service Manual page 21

3. TECHNICAL BRIEF
- Serial RF Control interface: support of direct conversion RF
- A Universal Serial Interface(USIF) enabling asynchronous (UART) of synchronous (SPI) serial
data transmission
- 1 Serial Synchronous SPI compatible interfaces in the controller domain
- 1 Serial Synchronous SPI compatible interface in the TEAKLite domain
- 2 USART with autobaud detection, hardware flow control and integrated IrDA controller
supporting IrDA's SIR standard (up to 115.2Kbps)
- A dedicated Fas IfDA Controller supporting IrDA's SIR,MIR and FIR standards (up to 4Mbps)
- I2C-bus interface (e.g. connection to S/M power)
- A fast display interface supporting serial and parallel interconnection
- An ITU-R BT.656 compatible Camera interface.
- Programmable clock output for a camera
- An multimedia/Secure Digital Card Interface (MMCI/SD: SDIO capable)
3.2.3 External Devices connected to memory interface
Table 1. Memory interface
Device Name
NAND FLASH K5D1G12ACD-D075
SDRAM K5D1G12ACD-D075
LCD IM200DBN7A
3.2.4 RF Interface
S-GOLDRadio 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 .
Resource Interconnection
TX2 TXHB
TX1 TXLB
RX1, RX1X GSM850_RXP, GSM850_RXN
RX2, RX2X GSM900_RXP, GSM900_RXN
RX3, RX3X DCS1800_RXP, DCS1800_RXN
RX4, RX4X PCS1900_RXP, PCS1900_RXN
PABS PA_BAND
FE1, FE2 VC1, VC2
PAEN PA_EN
VRAMP TX_RAMP
T_OUT6 PA_MODE
LGE Internal Use Only
Maker Remark
Samsung Synchronous / A synchronous
Samsung Synchronous 133MHz
LGIT 8bit access 2times transmission
Description
Output High band(DCS/PCS) Tx
Output Low band(850/900) Tx
Input of GSM850 LNA
Input of GSM900 LNA
Input of DCS1800 LNA
Input of PCS1900 LNA
Select PAM operation band.
Control FEM operation band & mode
PAM Enable
Tx Ramp signal
Select PAM operation mode (GSM/EDGE)
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