— 96 —
• IC601 DISPLAY CONTROL ( TMP87CM75-6564)/PANEL board
Pin No.
Pin Name
I/O
Function
1
SEG35
O
FL segment signal output
2
VLOAD
O
Power supply (–25V) for FL segment signal output
3 to 10
LED1 to LED8
O
LED driver output
11
VSS
–
Ground
12
X-OUT
O
13
X-IN
I
14
RESET
I
Reset signal input from main controller
15
LED9
O
LED driver output
16
LED10
O
LED driver output
17
TEST
I
Connected ground
18 to 22
LED11 to LED15
O
LED driver output
23
LED16
O
LED driver output
24
VOL-A
I
Rotary encoder (S602) pulse input
25
LED17
O
LED driver output
26
JOG-A
I
Rotaly encoder (S601) pulse input
27
CLOCK
I
Serial clock input from main controller
28
DATA
I
Serial data input from main controller
29
LED SELECT
O
LED select signal output
30
VDD
–
Power supply (+5V)
31
VSS
–
Ground
32
MODEL
I
Version select signal input
33 to 37
KEY1 to KEY5
I
Key input
38
EWS STANDBY
I
Not used
39
SIRCS
I
Remote commander signal input
40
VOL-B
I
Rotary encoder (S602) pulse input
41
JOG-B
I
Rotary encoder (S601) pulse input
42
SPEANA-1
I
Spectrum analyzer input
43
SPEANA-2
I
Spectrum analyzer input
44
SPEANA-3
I
Spectrum analyzer input
45
SPEANA-4
I
Spectrum analyzer input
46
L + R
I
Spectrum analyzer (high frequency) input
O
Not used
–
Ground
I
Analog reference voltage input
–
Power supply (+5V)
O
FL gride signal output
O
FL segment signal output
X’tall (8MHz)
FL : Fluorescent indicator tube
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