LG KE820, Service Manual

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3. TECHNICAL BRIEF
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- Advanced static and dynamic power management features including TDMA-Frame synchronous
low power mode and enhanced CPU modes(idle and sleep modes)
- 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
3.2.4. RF Interface (T_OUT)
S-Gold2 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.
Device Name Maker Remark
FLASH PF38F5060M0Y0B0 Intel Synchronous / A synchronous
SDRAM PF38F5060M0Y0B0 Intel Synchronous 104MHz
LCD NM200CNAA NEODIS 8bit access 3times transmission
Melody IC Not Used S/W Infineon Software CODEC
T_OUT
Resource Interconnection Description
T_OUT0 TXON_PA PAM Power on
T_OUT1 Other function -
T_OUT2 PA_BAND TX RF band select
T_OUT3 ANT_SW1 FEM control
T_OUT4 ANT_SW2 FEM control
T_OUT5 ANT_SW3 FEM control
T_OUT6 MODE PAM Mode select