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DIGITAL BOARD IC502 CXP87532-012Q (Mechanism Microcomputer)
Pin No.
Pin Name
I/O
Function
1
FPM-KI
O
FWD plunger kick control output
2
CAP-RVS
O
Capstan rotation direction control output. “H” for FWD and “L” for REV.
3
BPM-ON
O
Brake plunger ON control output
4
BPM-KI
O
Brake plunger kick control output
5
DRM-ON
O
Drum motor ON control output
6
—
O
7
—
O
8
—
O
9
—
O
10
—
O
Not used.
11
—
O
12
—
O
13
—
O
14
—
O
15
LM-EJCT
O
Loading motor rotation direction control output (Eject direction)
16
LM-LOAD
O
Loading motor rotation direction control output (Loading direction)
17
CM-OUT
O
Cassette compartment motor rotation direction control output (OUT direction)
18
CM-IN
O
Cassette compartment motor rotation direction control output (IN direction)
19
XROM-CK
O
EEPROM serial clock output
20
XROM-DT
I/O
EEPROM serial data input/output
21
—
O
22
—
O
23
H-FIX
I
24
H-FIX
I
25
CAS-IN
I
Cassette IN switch input
26
REC-EN
I
REC enable switch input
27
CAS-LCK
I
Cassette compartment lock switch input
28
CAS-OUT
I
Cassette compartment OUT switch input
29
UNLD-SW
I
UNLOAD switch input. “H” in UNLOAD position.
30
LOAD-SW
I
LOAD switch. “H” in STOP position.
31
—
O
32
—
O
Crystal oscillator output pin (9.408MHz). (Not used in this set.)
Crystal oscillator input pin (9.408MHz)
44
XMECH-BSY
O
Mechanism microcomputer BUSY signal input
45
—
O
Not used.
46
TLED-ON
O
T-END sensor ON output. “H” for ON.
47
SLED-ON
O
S-END sensor ON output. “H” for ON.
48
XSBSY
I
SUB SYNC input from main microcomputer (IC501).
Not used. (Fixed at “H” level.)
Not used.
Not used. (Fixed at “H” level.)
Not used.
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