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25.3 Interconnection with CPU
Interconnection diagram
Light
Image 25-3
Interconnection diagram with CPU
R5976820 SLM R12+ PERFORMER 08/03/2005
Light Sensor R763294
Progr. Light-to-Frequency converter
I3
Current-to-
Photodiode
frequency
converter
EEPROM
SENS
I2
S0
A0
S1
A1
S2
A2
WP
S3
FREQ.
Po
B
w e r
I
p
t S
n
u
J 2 0 1
T
C PU
R 7 6 38858
o
J 8 8 8
J 7 0 9
J 8 87
I R R
I R F
t
t
C
t
e a r
r o n
o
o n
r o
J 2 0 1
Microcontroller
I 1
TXD/P1.0
RXD/P1.1
T1/P0.7
SCL/TO/P1.2
SDA/INTO/P1.3
CM2/P0.0
CIN2A/P0.2
CM1/P0.6
X1
Light Sense
J1
k p l
R 7 64239
a c
a n e
J 2 0 4
J 2 0 4
l
to
1 R 7 63850
e
e c
r
J 2 0 2
J
7 0 9
1
5 V
+ +
l l
e r
2 G N D
3 S C L
S T B Y
_
4 S D A
S T B Y
_
D i g i ta l I
J 2 0 2
25. Light Output Sensor R763294
J1
1 ++5V
2 SDA_STBY
3 SCL_STBY
4 GND
J 4 1 6
L i g h t S
e n s e
J 2 0 5
J 2 0 6
J 2 0 7
D 1
A 1 S D A
A 2 S C L
J 2 0 5
J 2 0 6
J 2 0 7
D 1
A 1 S D A
A 2 S C L
J 2 0 3
C 1 S D A
B 2 S C L
J
2 0 3
B 2 I R
F R O N T
_
B 3 I R
R E A R
_
p
t B
k p l
R 7 6 3 3 7 8
n
u
a c
a n e
J 2 0 3
J
2 0 7
5 V
+ +
S T B Y
_
S T B Y
_
J
2 0 7
5 V
+ +
S T B Y
_
S T B Y
_
J
2 0 3
S T B Y
_
S T B Y
_
175
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