User Guide

Voltage Voltage [V] Condition

Vmstr- 1.9 ± 0.1 On to off

SW Shutdown Voltages

Sw shutdown 3.15 In call

Sw shutdown 3.3 In idle

Min Operating Voltage

Vcoff+ 2.9 ± 0.1 Off to on

Vcoff- 2.6 ± 0.1 On to off

Power key and system power-up

Power key is in end key. When the battery is placed in the phone the power key circuits are energized. When

the power key is pressed, the system boots up (if an adequate battery voltage is present).

Power down can be initiated by pressing the power key again (the system is powered down with the aid of

SW). The power key is connected to EM ASIC N2200 (AVILMA) via PWRONX signal.

The power key may be disabled in certain charging cases.

RM-412; RM-413

System Module and User Interface

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