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Sanyo ECR105 Service Manual page 7

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(4) % Mode, Tax Mode, Japan Mode
Absolute Maximum Ratings (Ta = 25°C)
These mode
can be selected by diodes at the location
marked EUR (D23) and DOM (D716). (Fig. 6)
The combinations are shown in the following table.
Power Supply
Voltage
Input Voltage
Operation
Temperature
reea
{x [eI
ree ee
© : Add the diode.
X
: Do not add the diode.
Storage
Temperature
$390
Besides the above selection it is necessary to change
S20
rubber key.
Slo
soo
(5) Don't use diodes at the location marked
D14, D17
POO/INT4 O
(CV) and D25 (45P). (Fig. 6)
Po1/SCK O
(6) Mode switch selections
po2z/S0 0
ECR 105: Add the diodes marked D4 (PS), D6 (R), D7
ae
(Z) and D8 (X). (Fig. 6)
PIV/INTIO
ECR 115: Add the diodes marked D12 (PS), D19 {Z),
PIZ/INT2Z O
D20(X), 027(R). (Fig. 6)
P13/TI0 ©
P200
P210
DEVICE SPECIFICATIONS
P20
P23/BUZ
O
IC2 uPD75208
P30 0
The uPD75208 is a general purpose single chip 4 bit micro-
P31 0
computer. This is fabricated with C MOS technology.
PO
This contains
a ROM,
a RAM,
1t/O Ports, a fluorescent
eae
display controller/driver, etc.
PEO
The yP075208
is packaged
in a type of 64 PIN shrink
P62 ©
plastic DIP package (uPD75208CW).
be :
P4l 0
Paz oO
P43 O
PPO O
X10
X2
©
Fig. 7
Vss0
Vo
Except display output pins
Output voltage
Display output pins
Per pin, except display output pins
O Voo
QO Sé4
OSs
O $6
Ss?
S8
$9
Vers
Vues
QO T18/S10
QO T14/S11
© TIV PHO
O T12/PH!
O T11/PH2
O T10/PH3
OT?
OT8
OT7
Oo T6
OTS
OT4
O T3
OT2
O Tl
Oo TO
OQ
RESET
OQ PS}
O PSs2
O PS!
© PSO
QO XT2
O XTi
uPD75208CW
Output Current High-
10H
| Per pin, TO to T15
t
|
|
Output Current Low
lou
Total, all outputs
|
Per pin, SO to S9
—15
mA
|
1
—30
| mA
| Total, except display output pins
i
—20
mA
i
; | Total, display output pins
-—120
| mA
;
Per pin
17
"mA
60
mA
:
:
i
|
Total Power (1) Consumption
Pr
Plastic Shrink DIP
|
600
i
mW
-8-

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