Sharp R-8R51 - Page 25

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DESCRIPTION OF LSI
LSIIZA335DR)
The
1/O
signals
of
the
LSI{IZA335DR)
are
detailed
in
the
fotlowing
table.
PIN
NO.
1
SIGNAL
VREF
1/O
1N
Reference voltage input terminal.
A reference voltage applied to the A/D converter in the LSI.
Connectd to GND.(OV)
RDG GABLE
SIGNAL — IN?
Terminal not used. Connected to GND,
SIGNAL . IN6~
Heating constant compensation terminal.
(RDOI3GA7LS
PINNO, = 4 __[ SIGNAL INS
Terminal
to
change
functions
according
to
the
model.
Signal
in
accordance
with
the
model
in
operation
is
applied
to
set
up
its
function.
;ROS3BIATWI
PINNO.
[|
5
SIGNAL
,
IN4
1/0
IN
Input
signal
which
communicates
the
damper
open/close
information
to
LSI.
Damper opened; "H” level signal(OV:GND),
Damper closed; “L” level signal(-5V:VC).
{ADGB7A3U!
PIN
I
NO,
6
SIGNAL
IN3
1/0
|
IN
Input
ae
which
communicates
the
door
open/close
information
to
LSI.
Door closed; “H” level signal( OV).
Door opened; "L” level signal{-5V).
(RO937A2U)
<a SIGNAL . IN2
Temperature
measurement.
input:
OVEN
TH
ERMISTOR.
By
inputting
DC
voltage
corresponding
to
the
temperature
detected
by
the
thermistor,
this
input
is
converted
into
temperature by the A/D converter built into the LSI.
'RDG35A1U}
PINNO. ' 8-9
ee
aeeee
SIGNAL.
IN1-INO
Terminal
not:
used.
PIN NO. ; 10- 14
Terminal not ‘used.
SIGNAL . P47-P43
1/0. OUT
PINNO,
;
15
SIGNAL
|
P42
O
OUT
Timing
signal
output
terminal
for
temperature
measurement(OVEN).
"H"
level
(GND)
:
Temperature
measuring
timing.
(convection
and
grillcooking).
"L”
level
(-5V)
:
Thermistor
OPEN
timing.
enn
23