Sharp R-6R50 - Page 12

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ai
15 P42
P40
P36
P34
OUT
OUT
OUT
OUT
Key strobe signal.
Key strobe signal.
Description
Grill heating element driving signal.
To turn on and off the grill heater relay (RY3),
otherwise.
Cooling fan motor driving signal.
To turn on and off shut-off relay (RY4).
“HH level otherwise.
ON
During
capking
(Grill)
(i; GND
nF
“L" level during GRILL;
“H" Jevel
“1” tevel during both microwave and grill _
* GRILLIKG; The cocling fan motor relay is designed to turn off 1 min. later than the
grill relay.
Terminal not used.
Key strobe signal.
16 msec.
ROTISSERIE MOTOR driving signal.
To turn on and off shut-off relay (RY5). "L
"H” level otherwise.
During
OFF
on[ kr
During
on[ sete |
Surge limiting relay driving signal.
Signal applied to touch-key section.
OFF
H: GND
” fevel during both microwave and grill;
The surge limiting relay is designed to turn on 15 msec. earlier than the cook relay (RY2).
OUT
Apulse signal is input to RO — R3 terminal while one of G-9 line keys on key matrix
is touched,
Signal applied to touch-key section,
A pulse signal is input is RO —R3 terminal while one of G-8 line keys on key matrix
is touched.
Signal applied to touch-key section.
A pulse signal is input to RO —R3 terminal while one of G-7 line keys on key matrix
is touched.
Key strobe signal.
Signal applied to touch-key section,
A pulse signal is input to RO —R3 terminal while one of G-6 line keys on key matrix
is touched.
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R-6G50(W}
Key strobe signal.
Signal applied to touch-key section.
A pulse signa! is input to RO —R3 terminal while one of G-5 hing keys on key matrix
is touched.
Signal to sound buzzer.
A : Key touch sound.
B_ : Completion sound.
C : When a’stage finishes for Compu Cook.
: 0,1 sec,
i
2 sec,
|
B:
y sec, sec, H: GND
Cc:
Peng
Signal synchronized with commercial power source frequency.
This is the basic timing for all time processing of LSI.
oe —— LI-5V)
ie
nn
20
msec.
|
Femina mete not used.
ac CNVSS a Ganaeéted to Ve.
Auto-clear terminal.
Signal is input to reset the LS! to the initial state when power is supplied.
Temporarily set to ““L” Jevel the moment power is supplied, at this time the LS} is reset. -
Thereafter set at ‘’H” level.
‘Internal clock oscillation frequency settinginput. =~ = =
The internal clock frequency is set by inserting the ceramic filter oscillation circuit with
respect to XOUT terminal,
Internal clock oscillation frequency contro! output.
Output to contro! osillation input of XIN.
Terminal! not used.
Power source voltage: —5V.
VC voltage of power source circuit input.
Signal coming from: touch-key.
When either one of G-1 line keys on key matrix is s touched, a corresponding signal out of
P33 — P37 will be input into R3.
When no key is touched, the signal is held at “’L” level.
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