User Guide

Description Parameter Min Typ Max Unit Notes
Headset
detection
threshold
1.75 1.9 2.05 V EM ASIC (N2200)
specific
Headset
detection
hysteresis
25 mV
Headset
detection
pull ups
1 2 4 uA
After Mbus is switched to HeadDet
High-level
input
voltage
(VDDS =
1.8V)
V
IH
0.7 x V
DDS
V
DDS
V RAP specific
Low-level
input
voltage
V
IL
0 0.3 x V
DDS
V
High-level
output
voltage
V
OH
0.8 x V
DDS
V
DDS
V
Low-level
output
voltage
V
OL
0 0.22 x VDDS V
Rise/fall
time
tR/tF
25 ns
VOUT electrical characteristics
Description Parameter Min Max Typical Unit Notes
Vout
regulator
for
external
accessories
VOUT 2.43 2.57 2.5 V Max load
90mA
RM-170; RM-171
Nokia Customer Care System Module
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