
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 15 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
3
GenIO5
0
0
0.4
V
Load
Resistance
10
kW
Load
Capacitance
20
pF
Timing
Accuracy
¼
symbol
RH-64
Nokia Customer Care
System module
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Company Confidential
9243363 (Issue 1)
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