6-2. IC PIN FUNCTION
• IC801 SYSTEM CONTROL, FLUORESCENT INDICATOR TUBE DRIVE (CXP82316-060Q)
Pin No.
Pin Name
1
TIMER
2
RM (BUSIN)
3
+5V
4
OPEN
5
OPEN
6
(BUS-OUT)
7
PRGL
8
CLK
9
SENSE
10
DATA
11
SQCK
12
SUBQ
13
OPEN
14
AMUTE
15
LDON
16
XLT
17
RVLED
18
RV+
19
RV–
20
LDOUT
21
LDIN
22 to 27
KEY0 to KEY5
28
ADJ/AFADJ
29
IN/OUTSW
30
RST
31
EXTAL
32
XTAL
33
V
SS
34 to 41
OPEN
42 to 62
S1 to S21
63 to 70
1G to 8G
71
VFDP (–30V)
72
V
(+5V)
DD
73
—
74
SEL1
75
IN PORT
76
IN PORT
77
IN PORT
78
SCOR
79
SEL2
80
SEL3
I/O
–
Connected to +5V.
I
Audio bus input.
–
Connected to +5V.
–
–
Not used. (open)
–
O
Latch signal output to digital filter (IC303).
O
Serial clock output.
I
SENSE signal input.
O
Serial data output.
O
Read out clock output for subcode Q data.
I
Subcode Q data input.
–
Not used. (open)
O
Analog muting control signal output.
O
Optical pickup laser diode control output.
O
Serial data latch signal output.
–
Not used. (open)
O
Remote commander volume +. (Not used)
O
Remote commander volume –. (Not used)
O
Loading motor control signal output.
O
Key input. (S801 to S810, S820 to S826, S828)
I
ADJ, AFADJ test pin.
–
Loading IN/OUT switch input.
I
Reset signal input.
I
Clock input. (4 MHz)
I
Clock output. (4 MHz)
O
Ground
–
Not used. (open)
–
Fluorescent Indicator Tube segment output.
O
Fluorescent Indicator Tube grid output.
O
–30V pin for Fluorescent Indicator tube.
–
–
+5V pin.
–
Connected to Ground.
–
–
Connected to +5V.
–
–
Read out timing signal input for subcode Q data.
I
Connected to Ground.
–
Connected to +5V.
–
— 11 —
Function