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Nokia 9110 Service Manual

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PAMS
Technical Documentation
RAE–2 
BS1
Page 5 – 32
Section 02/99
Table 16. Testpoints   
  (continued)  
Description /
Note
Unit
Max
Nom
Min
Function
Name
I/O
Point
J451
STS1
XIP1  flash status
2.4
2.80
2.85
VDC
High
0
0.4
VDC
Low
J452
STS2
XIP2  flash status
2.4
2.80
2.85
VDC
High
0
0.4
VDC
Low
J453
SD1
System data bus line 1
2.3
2.80
2.85
VDC
High, data to
memory
0
0.45
VDC
Low, data to
memory
2.4
2.8
2.85
VDC
High, data to
CPU
0
0.4
VDC
Low, data  to
CPU
J454
SA4
System address bus line 4
2.3
2.80
2.85
VDC
High
0
0.45
VDC
Low
J455
D0
Memory data bus line 0
2.3
2.80
2.85
VDC
High
0
0.45
VDC
Low
J456
MA3
Memory address bus line 3
2.3
2.80
2.85
VDC
High
0
0.45
VDC
Low
J497
VCOMP1
1.24
1.285
VDC
J498
CS3x
Phaser chip select
2.3
2.80
2.85
VDC
High
0
0.4
VDC
Low, chip se-
lected
J499
RESETx
Reset from Phaser to CPU
d fl
h
i
2.5
2.80
2.85
VDC
High
and flash memories
0
0.5
VDC
Low
J801
O
GENSDIO
CMT LCD and CCONT serial
d t
2.0
2.80
2.85
VDC
High
data
0
0.5
VDC
Low
J803
I/O
LCDCD
CMT LCD command /  data
l
t
2.0
2.80
2.85
VDC
High, data
select
0
0.6
VDC
Low, command
J804
I/O
LCDCSx
CMT LCD chip select
2.1
2.80
2.85
VDC
High
0
0.5
VDC
Low, chip se-
lected
J808
O
SCK
PDA LCD data clock
2.3
2.80
2.85
VDC
High
J854
BZR_IF
Buzzer signal
2.0
2.80
2.85
VDC
High
0
0.6
VDC
Low
J880
HFENA
Handsfree earpiece enable
2.3
2.80
2.85
VDC
High, HF ampli-
fied enabled
0
0.45
VDC
Low, HF ampli-
fied disabled
J881
O
XEAR
Audio output for handsfree
use
2.0
Vpp