External Signals And Connections - Nokia 2760 Service Manual

Pin Name
6 GND
VSIM specified in regulator section in this document

External signals and connections

Signal From
XMICP HS/HF Mic
XMICN
XEARP HS/HF
XEARN EAR/
Amp.
INT Switch
HEADINT
Page 6 –18
Parameter Min
GND 0
Figure 114 SIM interface block diagram
Table 13 System connector
To Min
UEMC
Lite
UEMC
Lite
UEMC
Lite
COMPANY CONFIDENTIAL
Copyright © 2007 Nokia. All rights reserved.
Typ Max
0
Nom Max
2/60m Analog
V diff audio in
DC bias
2V2kohm
2/60m Ana in / 1k
V diff to GND
100 mV Ana in
diff
0/2.7V Dig in
Unit Notes
V Ground
Condi-tion
Headset Mic bias and
audio signal 2mV
nominal. HF Mic signal
60mV nominal.
Differential symmetric
input.
Accessory detection by
bias loading
Hook interrupt by heavy
bias loading
Quasi-differential DC-
coupled earpiece/HF
amplifier signal to
accessory. DC biased to
0.8V
HS interrupt from bottom
connector switch when
plug inserted.
RM-258; RM-259
System Module
Note
Issue 1