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X34-59xx-xx
MICROCOMPUTER'S TERMINAL DESCRIPTION
● SYSTEM µ-COM: IC1 on X34- (ELECTRIC UNIT)
Pin No.
Pin Name
1
LX DATA M
2
LX CLK
3~5
NC
6
REMO
7
NC
8
BYTE
9
CNVSS
10
XCIN
11
XCOUT
12
RESET
13
XOUT
14
VSS
15
XIN
16
VCC1
17
NMI
18
PANEL DET
19,20
NC
21
ROMCOR DET
22,23
NC
24
PON FL
25
NC
26
PON PANEL
27,28
NC
29
AUD SCL
30
AUD SDA
31
VFD SYS DATA O
32
VFD PAN DATA
33
VFD CLK
34
VFD BLK
35
CD SI
36
CD SO
37
BUCK
38
CD LOS SW
39
PIO0
40
CD SRAMSTB
41
EPM
42
CD LOE LIM SW
4
I/O
Application
I/O Data to slave unit
I/O LX-BUS clock
-
Not used
I
Remote control signal input
-
Not used
-
Memory extended bus width setting
-
-
32.768kHz
-
32.768kHz
-
-
10.0MHz
-
-
10.0MHz
-
I
I
Panel communication detection
-
Not used
I
E2PROM writing request
-
Not used
O
Key illumination power supply control
-
Not used
I/O Panel 5V control
-
Not used
I/O E-VOL clock output
I/O E-VOL data input/output
Display data output
I
Display data input
O
Display clock output
O
Display data blanking output
O
CD mechanism serial output
I
CD mechanism serial input
O
Serial clock output
I
CD loading detection
I
Communication request from mechanism DSP
O
1M-bit SRAM standby
I
Flash EPM input
I
CD detection (Chucking SW)
Truth Value
Processing Operation Description
Table
Pull-down (GND)
125k~65kHz
Output L fi xed
Detects pulse width
Output L fi xed
Connects to VSS
Connects to VSS
L: Reset
Connects to VCC
H: Panel detached, L: Panel attached
Output L fi xed
H: Writing
Output L fi xed
ON: H, OFF: L
Output L fi xed
ON: L, Momentary power down/Panel detached:
Hi-Z, 11 minutes after ACC OFF: Hi-Z
Output L fi xed
125kHz
H: Reset cancelled, L: Reset, Momentary power down
/Panel detached: L, 11 minutes after ACC OFF: L
1MHz
H: Data request
H: SRAM standby
Connects to VSS
H: Loading completed, L: No disc
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