Sharp R-8320E, Service Manual, Page: 66 / 140

Pin No.
Signal
Description
14
K
11
IN
Signal with commercial power source frequency.
This is the basic timing for all time processing.
15
IN Signal similar to
When either one of
, ,
or key is touched,
a corresponding signal will be input into
16
IN
17
IN
To input a signal which communicates the door open/close information to LSI.
Door closed: “H” level signal (OV)
Door opended:
level signal
Signal similar to
When either one of
, , or key is touched, a
corresponding signal will be input
18
IN Signal similar to
When either one of
, , or key is touched, a
corresponding signal will be input
19
IN
20 RESET IN
Terminal not used.
Auto-clear terminal.
Signal is input to reset the LSI to the initial state when power is supplied.
Temporarily set to “H” level the moment power is supplied, in this time the
LSI is reset. Thereafter set “L” level
21
22
23
24
25
26
27
28
29
vss
INT
V
D D
IN Connected to GND.
IN Terminal not used. Connected to GND.
IN Terminal not used. Connected to GND.
IN Power source voltage:
Voltage of power source circuit is input.
OUT
Data output port with respect to R
terminal of LSI (l-2:
OUT Key strobe signal.
Signal applied to touch-key section.
A pulse signal is generated while
, , ,
or key is being touched.
OUT Data output port with respect to 1 terminal of LSI (l-2:
OUT
Key strobe signal.
Signal applied to touch-key section.
A pulse signal is generated while
, , , , ,
or key is being touched.
OUT
Data output port with respect to R terminal of LSI (l-2:
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