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)
-
-A fast display interface supporting serial and parallel interconnection
-An
-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 | Maker | Remark |
|
|
|
|
NAND FLASH | Samsung | Synchronous / A synchronous | |
|
|
|
|
SDRAM | Samsung | Synchronous 133MHz | |
|
|
|
|
LCD | IM200DBN7A | LGIT | 8bit access 2times transmission |
|
|
|
|
3.2.4 RF Interface
Table 2. RF Interface Spec.
Resource |
| Interconnection |
| Description |
|
| |||
|
|
|
|
|
TX2 |
| TXHB |
| Output High band(DCS/PCS) Tx |
|
|
|
|
|
TX1 |
| TXLB |
| Output Low band(850/900) Tx |
|
|
|
|
|
RX1, RX1X |
| GSM850_RXP, GSM850_RXN |
| Input of GSM850 LNA |
|
|
|
|
|
RX2, RX2X |
| GSM900_RXP, GSM900_RXN |
| Input of GSM900 LNA |
|
|
|
|
|
RX3, RX3X |
| DCS1800_RXP, DCS1800_RXN |
| Input of DCS1800 LNA |
|
|
|
|
|
RX4, RX4X |
| PCS1900_RXP, PCS1900_RXN |
| Input of PCS1900 LNA |
|
|
|
|
|
PABS |
| PA_BAND |
| Select PAM operation band. |
|
|
|
|
|
FE1, FE2 |
| VC1, VC2 |
| Control FEM operation band & mode |
|
|
|
|
|
PAEN |
| PA_EN |
| PAM Enable |
|
|
|
|
|
VRAMP |
| TX_RAMP |
| Tx Ramp signal |
|
|
|
|
|
T_OUT6 |
| PA_MODE |
| Select PAM operation mode (GSM/EDGE) |
|
|
|
|
|
LGE Internal Use Only | - 22 - | Copyright © 2008 LG Electronics. Inc. All right reserved. |
|
| Only for training and service purposes |
