NSW-5
Disassembly and Troubleshooting Instructions
PAMS Technical Documentation
Page 54
Issue 1 10/00
Nokia Mobile Phones Ltd.
Description
Nominal
level
Pin name
Pin no.
12
VDD3
2.8V
Supply voltage
13
GND
0
Ground
14
IF IN
–
Intermediate frequency input
15
N/C
Not connected
16
TX ENA
>2V
TX enable
TDMA 1900 PLL N880
Pin no.
Pin name
Nominal
level
Description
1
FAST
2.8V
Enable input for fast chargepump
2
CPF
Fast charge pump output
3
CP
Normal charge pump output
4
VDD2
2.8V
Power supply voltage
5
Vss3
0
Ground
6
RFI
?
Main divider input
7
Vss2
0
Ground
8
POL
2.8V
polarity select
9
PON
2.8V
Power on input
10
Vss1
0
Ground
11
CLK
?
Programming bus clock input
12
DATA
?
Programming bus data input
13
E
?
Programming bus enable input
14
Vdd1
–
Power supply voltage
15
XTALB
–
Complementary crystal frequency input
16
XTALA
–
Complementary crystal frequency input
17
GND(CP)
0
Ground for charge pump
18
Vcc
4.8V
Supply voltage for charge pump
19
Iset
–
charge pump currents setting
20
LOCK
–
Out of lock detector