User Guide

ASICs

RAPIDOYAWE

RAPIDOYAWE ASIC (D2800) is a die-stacked Processor (RAPIDO) with 3G HDSPA logic (YAWE). RAM memory is

integrated into RAPIDO.

EM ASIC BETTY N2300

The EM ASIC (N2300) includes the following functional blocks:

•

Core supply generation

•

Charge control circuitry

•

Level shifter and regulator for USB/FBUS

•

Current gauge for battery current measuring

•

LED control for display backlighting

•

Digital interface (CBUS)

EM ASIC VILMA N2200

The EM ASIC (N2200) includes the following functional blocks:

•

Start up logic and reset control

•

Charger detection

•

Battery voltage monitoring

RM-412; RM-413

System Module and User Interface

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