LG KP500 Service Manual page 21

3. TECHNICAL BRIEF
- Pulse Number Modulation output for Automatic Frequency Correction(AFC)
- 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
FLASH K5E1G12ACA-D075
DDR K5E1G12ACA-D075
LCD IM200DST2A
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 Interconnection
T_OUT0 TXON_PA
T_OUT1 Other function
T_OUT2 PA_BAND
T_OUT3 ANT_SW1
T_OUT4 ANT_SW2
T_OUT5 ANT_SW3
T_OUT6 MODE
LGE Internal Use Only
Maker Remark
Samsung Synchronous / A synchronous
Samsung Synchronous 133MHz
LGIT 8bit access 2 times transmission
S/W Infineon Software CODEC
Description
PAM Power on
-
TX RF band select
FEM control
FEM control
FEM control
PAM Mode select
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Only for training and service purposes