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Signal From To Min Nom Max Condi-tion Note

XEARP HS/HF UEMC

Lite

100 mV

diff

Ana in Quasi-differential DC-

coupled earpiece/HF

amplifier signal to

accessory. DC biased to

0.8V

XEARN EAR/

Amp.

INT

HEADINT

Switch UEMC

Lite

0/2.7V Dig in HS interrupt from bottom

connector switch when

plug inserted.

VCHARIN Charger UEMC

Lite

11.1Vp

eak

16.9

Vpeak

Standard Vch from Charger

Connector, max 20V

7.9

VRMS

1.0

Apeak

7.0

VRMS

8.4

VRMS

9.2

VRMS

Fast charger

850 mA

GND GND GND from/to Charger

connector

Interfaces

RF and baseband interfaces

Table 6 AC and DC Characteristics of BB4.0 LiteV2 RF-Base band Digital Signals

Signal

name

From To Para-meter Input characteristics Function

Min Typ Max Unit

TXP1 UPP RF-IC 1 1.38 1.88 V Depends of the

RF design

RFGenOut

GenIO5 0 0 0.4 V

Load

Resistance

10 kW

Load

Capacitance

20 pF

Timing

Accuracy

¼ symbol

RH-70

Nokia Customer Care System module

Page 1–12 Company Confidential 9243364 (Issue 1, Part 3)