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4-1-3. 1C801 (IM50964-226SP) PIN FUNCTIONS
vcc
Power
supply:
+5V.
AVss
7
Power supply:
GND.
Vref
I
A/D port reference voltage input.
DATA
0
Data output
(Analog)
to Display Microcomputer.
PWM
7
Not used for this model.
Data output to Display Microcomputer
(IC601) .
REC LED output.
PAUSE LED output.
PLAY LED output.
Key input.0V= 4
, 1V=M,
2V= 4
, 3V=»
, 4V= @
AD6
AD5
TIMER SW
T-PULS
S-PULS
Key input.0V=
»
, IV=IIl,
2V=4
, 3V=m*
, 4V= O
Key input.OV=RESET
, 1V=MEMORY
, 2V=DISPLAY MODE
Timer switch
input
(Analog) .0V=REC
, 1V=PLAY
, 2V=OFF.
Take-up
reel
base
sersor
input.
Supply reel base sersor
input.
COUNT 0
Not used for this model
(Cnnected to GND).
Not used for this model
(Cnnected
to GND).
Reset output to counter Microcomputer
(IC881).
Shift clock output
(250kHz)
to Counter Microcomputer
(IC881).
Serial
data
output
to Counter
Microcomputer
(IC881).
RSTOUT
S-CLOCK
S-OUT
Not used for this model
(Connected to S-OUT).
SIRCS
phase
input.
SIRCS hegative phase input.
Not used for this model
(Connected to GND).
Power down detection
input.
S-IN
SIRCS-L
SIRCS~E
POW~-OUT
POWER IN
Power down detection
input.
Power supply:
GND.
Reset input.
-Clock
input
(4MHz).
Clock output
(4MHz).
Not used for this model.
Power supply:
GND.
Rotary encoder
input to detect the position of the head base of the mechanical
block.
Rotary encoder
input to detect the position of the head base of the mechanical
block.
Rotary encoder
input to detect
the position of the head base of the mechanical -block.
Rotary encoder
input to detect the position of the head base of the mechanical
block.
OPEN switch
input of the mechanical
block.
CLOSE switch
input of the mechanical
block.
DOOR switch input of the mechanical
block.
REC switch
input of the mechanical
block.
CLOSE SW
DOOR SW
REC SW
70
uw switch
input
of the mechanical
block.
HALF
switch.
METAL
switch.
Not used for this model
(Connected to GND) .-
Head base DOWN output of the mechanical
block.
base UP output of the mechanical
block.
motor rotate with FWD.
motor
rotate
with
REV.
motor rotate at PLAY speed.
motor rotate at FF/REW speed.
Bias oscillation
on and off control.
REC MUTE control
output.
MONITOR switch output.
Line
mute
control
output.
Not used
for
this
model
(Connected
to GND).
REC MUTE
MONITOR OUT
LINE MUTE
AMS MODE
TYPE I
TYPE Ii
TYPEIV
AMS SIG
switch output.
equalizer
change
output.
equalizer change output.
equalizer change output.
signal
input.
No song
detected=Low.
Song detected=High.
SOURCE SW
MONITOR switch
input.
MONITOR switch
input.
CALIBRATION
switch
input.
Data
output
to Display
Microcomputer.
0
0
0
0
I
I
I
I
I
I
I
0
0
0
I
I
I
0
I
I
I
I
0
I
I
I
I
I
I
I
I
I
I
I
0
0
0
0
0
0
0
0
0
0
0
0
0
0
I
I
I
I
0
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