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R-9380
DESCRIPTION
OF LSI
LSI(IZA135DR)
The I/O signal of the LSI(IZA135DR)
is detailed
in the following
table.
(RD93101
U)
I
.PINNO~~~.i1~~~~~..-~--.-_--~.__l~SIGIUAL
I I/O
-
j OUT
Segment
data siqnals.
Refer to the touch
control
panel circuit
for the relationship
between
signals and indicators.
Normally,
one pulse is output
in every synchronized
signal period, and input to the anode of the fluorescent
drsplax.
(RD939Al
)
PIN NO.
' 5
----i--
-~~
Auto
clear terminal..
SIGNAL
j ACL
I
I/O
/ IN
Signal
is input to reset the LSI to the..initial
state when
power
is supplied.
Temporarily
set to "L" level the moment
power
is supplied,
at this time the LSI is reset.
Thereafter
set at "H" level.
(RD93MAZU)
PIN NO.
/ 6
SIGNAL
) CL1
1
I/O
/--
/ IN
~--
.-
Internal
clock
oscillation
frequencv
input
settina.
The internal
clock frequency
is set by inserting
the ceramic filter oscillation
circuit
with
respect to CL2 terminal.
(RD93EA2U)
PIN NO.
1
7
1 SIGNAL
j CL2
----- -?-- --~
--
Internal
clock
oscillation
frequencv
control
output.
Output
to control
oscillation
input of CL1
I
I/O
1 OUT
(RD93EAl
U)
PIN NO.
1 8
~--.--
Segment
data siqnal.
Signal similar to P30.
SIGNAL
/ P40
I
I/O
I
I OUT
(RD939A2U)
PIN NO.
1 9
__l. ~~~-~~ _. ._~~~~~.~ _.___
SIGNAL
' TEST
~~~ ---... --1---
--.- - ..-. ~~~--
Terminal
not used. Connected
to VDD.
I
I/O
1 IN
(RD93KA4U)
PIN NO.
j IO-13
Segment-bata
signal.
Signal similar to P30.
SIGNAL
/ P41 -P43,P50
I
I/O
OUT
(RD939A2U)
PIN NO.
1 14
~~~ --!-
- .~
SIGNAL
1 P5l
-----L-
~-~~~ - .._~ ._________._
I/O
1 IN
___-
-
Terminal
to change
functions
according
to the model.
Signal
in accordance
with the model in operation
is applied
to set up its function.
(Rd93JAl
U)
PIN NO.
I 15
Terminal
not used.
SIGNAL
; P52
---~~-...--
-.. .~~-- -~--~
(RD93KA2U)
16
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