Nokia 9110 Service Manual

Page of 32
PAMS
Technical Documentation
RAE–2 
BS1
Page 5 – 8
Section 02/99
Table 2. 
Supply Voltages and Power Consumption 
  (continued)  
Notes
Unit
Maximum
Nominal
Minimum
Line Symbol
Pin /
Conn.
3/X800
V28_1
2.70
2.80
2.85
VDC
LCD Logic volt-
age
1
4
mA
Current
21/N450
V28_2
2.70
2.8
2.85
VDC
IrDA Logic volt-
age
2
4
mA
Current
46/X830
V28_3
2.75
2.8
2.85
VDC
MMC supply volt-
age
0.01
50
100
mA
Current
16/X830
VBB
2.75
2.8
2.85
VDC
Base Band oper-
ating voltage
mA
Current
NOTE : Complete temperature range
AC Characteristics
Minimum
Nominal
Maximum
Unit / Notes
External XTAL
32.768
kHz
20
ppm, accuracy
CPU clock
33.18
MHz, Rise time
1–2ns
Memory bus clock
33.18
MHz, Rise time
2–3ns
Memory Controller clock
66.3552
MHz, Rise time
1–2ns
MMC clock during data
0.2592
8.294
Mhz, Rise time
2–3ns, NOTE1
MMC clock during identifica-
tion
259.2
kHz, Rise time 2–3ns
NOTE: Frequency is a multiple of 259.2kHz
External Signals and Connections
This section describes the external electrical connection and interface lev-
els on BS1 module. The electrical interface specifications are collected
into tables that cover each connector and defined interface.
Table 3. List of Connectors and testpoints    
     
Connector Name
Code
Notes
UI flex connector
X800
CMT/PDA LCD– and Keyboard signals
Board to Board connector
X830
CMT PDA interface
System connector pads
X810