Nokia NSW-5 Series Service Manual page 23

PAMS Technical Documentation
Con- Line Parameter
tact Sym-
pin bol
CHAR- L_GND Charger ground
GER input
JACK
(2)
CHAR- VIN Charger input
GER GER voltage lt
JACK JACK
(3)
Charger input
current
Output
CHAR- CHRG
GER CTRL high voltage
JACK JACK
PWM frequency
(4)
Output
5 CHRG
CTRL high voltage
PWM frequency
Slide SLIDE SLIDE OPEN/
switch CLOSE
(6)
Slide L_GND SLIDE SWITCH
switch GND
(7)
8 XMIC Input
signal voltage
9 SGND Signal ground
10 XEAR Output
signal voltage
11 MBUS I/O low voltage
I/O high voltage
12 FBUS_ Input low voltage
RX RX
Input high voltage
13 FBUS_ Output low voltage 0
TX TX
Output
high voltage
14 L_GND Common ground
input
Issue 1 10/00
Mini- Typical
mum / Nomi-
0 0
7.1 8.4
720 800
7.24 7.6
t
320 370
2.0
32
2.0
32
2.7 2.8
0 0
60
0
80
0
2.0
0
2.0
2.0
0 0
E Nokia Mobile Phones Ltd.
System Module UT5U
Maxi-
mum
nal
0 V/ Supply ground
9.3 V/ Unloaded ACP-8 Charger
850 mA/ Supply current
7.95 V/ Unloaded ACP–7 Charger
420 mA/ Supply current
2.8 V/ Charger control (PWM)
high
Hz /PWM frequency for
charger
2.8 V/ Charger control (PWM)
high
Hz /PWM frequency for
charger
2.85 V/ Contact in microphone
cavity.
0 V/ Contact in microphone
cavity.
1 Vpp mVrms
0 mVrms
1 Vpp mVrms
0.8 V/Serial bidirectional control
bus. Baud rate 9600 Bit/s b B
2.8
0.8 V/ Fbus receive.
2.8 V/ Serial Data, Baud rate
9.6k–230.4kBit/s
0.8 V/ Fbus transmit.
2.8 V/ Serial Data, Baud rate
9.6k–230.4kBit/s
0 V/ Supply ground
NSW-5
Unit / Notes
d t 9600 Bit/
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