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DESCRIPTION
OF LSI
LSI(IZA413DR)
The I/O signals of the LSI(IZA413DR)
are detailed
in the following
table.
PIN NO.
1 1
1 SIGNAL
/ VREF
I
I/O
IN
Reference
voltage
input
terminal.
A reference voltage applied to the A/D converter
in the LSI.
Connected
to GND.(OV)
(RD93GA6U)
PIN NO.
1 2
1 SIGNAL
/ IN7
I
I/O
1 IN
Terminal
to change
cooking
constant.
PIN NO.
1 3
Signal similar to IN7
1 SIGNAL
j IN6
I I/O
/ IN
PIN NO.
/ 4
1 SIGNAL
j IN5
I I/O
j IN
Signal similar to IN7
PIN NO.
/ 5
1 SIGNAL
/ IN4
I I/O
1 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).
(RD937A3U)
PIN NO.
6
1 SIGNAL
/ IN3
I I/O
1 IN
Input
sianal
which
communicates
the door open/close
information
to LSI.
Door closed; "H" level signal(
/
Door opened;
"L" level signal(-5V).
PIN NO.
1 7
1 SIGNAL
/ IN2
I
I/O
IN
Temperature
measurement
input:
OVEN
THERMISTOR.
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.
(RD935Al
U)
PIN NO.
j 8
1 SIGNAL
j IN1
I I/O
/ IN
AH sensor
input.
This input
is an analog
input terminal
from the AH sensor circuit,
and connected
to the A/D
converter
built into the LSI.
(RD936A2U)
PIN NO.
/ 9
1 SIGNAL
( IN0
I
l/O
j IN
Used for initial
balancing
of the bridge circuit
(absolute
humidity
sensor).
This
from the AH sensor circuit,and
connected
to the A/D converter
built into the LSI.
input is an analog
input terminal
(RD936A3U)
PIN NO.
/ IO-14
1 SIGNAL
) P47-P43
I I/O
j OUT
Used for initial
balancing
of the bridge circuit(absolute
humidity
sensor).
PIN NO.
/ 15
1 SIGNAL
1 P42
I I/O
j OUT
Timinw
sianal
output
terminal
for temperature
measurement(OVEN).
"H" level (GND)
: Temperature
measuring
timing.
(convection
cooking)
"L" level (-5V)
: Thermistor
OPEN timin!.
(RD935A7
)
PIN NO.
j 16
Clock sinnal
to K-3
1 SIGNAL
/ P41
I
I/O
1 OUT
14
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