Description
Parameter
Min
Max
Unit
Notes
Low-level
output voltage
V
OL
0
0.3
V
High-level
output voltage
(driven)
V
OH
2.8
3.6
V
Output signal
crossover
voltage
V
CRS
1.3
2
V
FBUS interface electrical characteristics (between RAP and N2300)
Description Parameter
Min
Max
Unit
High-level
input
voltage
V
IH
0.7 x
V
DDSHV2
V
DDSHV2
V
Low-level
Input
voltage
V
IL
0
0.3 x
V
DDSHV2
V
High-level
output
voltage
V
OH
0.8 x
V
DDSHV2
V
DDSHV2
V
Low-level
output
voltage
V
OL
0
0.22 x
V
DDSHV2
V
Rise/fall
time
tR/tF
0
25
ns
(VDDSHV2 = 1.8V)
Headset hook detection interface (XMICN) electrical characteristics
Description
Min
Typ
Max
Unit
Notes
Hook detection
threshold 1
1.25
1.35
1.45
V
Two fixed
thresholds
inside N2200.
Selectable by
SW
Hook detection
threshold 2
0.5
0.6
0.7
V
Hook detection
hysteresis
25
mV
Hook detection
pull ups
1
2
4
uA
RM-180
System Module
Nokia Customer Care
Issue 1
COMPANY CONFIDENTIAL
Page 9 –35
Copyright © 2006 Nokia. All rights reserved.
