Sharp R-9380

R-9380
PIN NO. / 56
1 SIGNAL / VDISP
I
I/O
/ IN
Anode (seament) of Fluorescent DisDlav light-up voltage: -26.5V.
Vp voltage of power source circuit input.
(RD93GA3U)
PIN NO. j 57 SIGNAL 1 VR
Reference voltage input terminal.
I
I/O
/ IN
A reference voltage applied to the A/D converter in the LSI.
The reference voltage is generally maintained at -6.15V.
(RD93GA4U)
PIN NO. 58 1 SIGNAL j PA1
I
I/O
1 IN
Sinnal svnchronized with commercial source frequencv(50Hz).
This is the basic timing for time processing of LSI.
(RD93FEl U)
PIN NO. 1 59
1 SIGNAL j PA0
I I/O
/ IN
Input signal which communicates the door ooen/close information to LSI.
Door closed; “H” level signal.
Door opened; “L” level signal.
(RD937Al U)
PIN NO. 60-63
1 SIGNAL i P20-P23
I
I/O
/ OUT
Segment data siqnal.
Signal similar to P30.
(RD939AZU)
PIN NO. 64
1 SIGNAL / GND
I
I/O
1 IN
Connected to GND.
(RD93KAl U)
20