User Guide

Backlight and illumination

There is backlight illuminating the display, upper keypad and lower keypad.

ASICs

RAPIDO

RAPIDO Yawe is multimode 2G/3G baseband ASIC. Main features and blocks of the RAPIDO:

• ARM1136 MCU as a main processor

• Level 2 cache (256 kbytes) added for ARM1136

• UMA 2.5 DSP megacell including larger DSP internal memories

• 3G System logic

• Yawe HSDPA/WCDMA logic as die stack option (BB5.41)

• 2G System logic

• 16bit NOR Flash interface (MCU speed/4, Flash memory max 66 MHz)

• 16-bit Muxed Mass Memory (M3) Flash interface

• 16 bit / 32 bit DDR SDRAM interface

• NAND Flash interface - High speed MMC (4-bit bus)/ SD interface

• GPIOs for keyboard/roller/rocker

• LoSSI serial interface for display

• 2 pcs 8-bit or 16-bit MeSSI parallel interfaces for display

• VISSI up to 24-bit parallel video display interface with internal display controller

• High speed USB 2.0 with On-The-Go controller with ULPI transceiver interface

• ACI accessory interface

RM-244

System Module and User Interface

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