Nokia 9110 Service Manual
PAMS
Technical Documentation
RAE–2
UIF Module BS2
Page 4 – 10
Original 02/99
Notes
Unit
Maxi-
mum
Typical /
Nominal
Nominal
Mini-
mum
mum
Parameter
Line Symbol
I/O
Pin
48
I
LCD_ON
PDA LCD en-
able
able
0
0.8xVSY
S
0.8xVSY
S
0.2xVSY
S
VSYS
S
VSYS
V
Low
High
High
49
V28_1
PDA LCD log-
ic supply volt-
ic supply volt-
2.7
2.8
2.85
V
ic su
ly volt-
age
0.3
2.0
mA
50
O
LCD_TEMP
PDA LCD
temperature
temperature
0.2
0.9
2.5
V
Voltage range
throughout the
whole temper-
ature range
throughout the
whole temper-
ature range
0.88
0.90
0.91
V
At +25
°
C
51
GND
0
V
Note: VSYS is PDA system voltage used in BS1 module, min. 2.75 V, typ. 2.80 V, max. 2.85
V.
Interface to BS8 CMT Module
Conn.
Parameter
Mini-
mum
mum
Typical / Nomi-
nal
Maxi-
mum
Unit /
Notes
Notes
X790,
X791
X791
Impedance
50
W
X791
Transmitter frequency
890
915
MHz
Receiver frequency
935
960
MHz
Max. output power
2W (33 dBm)
Interface to BC2 LCD Module
Pin
Line Symbol
Parameter
Mini-
mum
mum
Typical
Maxi-
mum
Unit
Notes
1
VBB
Supply voltage
2.7
2.8
2.85
V
300
m
A
2
GENSCLK
Serial clock input
0
3.2
4.0
MHz
0
0.3xVBB
V
Low
0.7xVBB
VBB
V
High
3
GENSDIO
Serial data input
0
0.3xVBB
Low
0.7xVBB
VBB
High
4
LCDCD
Control/display data
flag input
flag input
0
0.3xVBB
Low, Control
0.7xVBB
VBB
High, Data
5
LCDCSx
Chip select input
0
0.3xVBB
Low, Chip se-
lected
lected
0.7xVBB
VBB
High, Chip
unselected
unselected