50
HCD-GSX75
• IC701
MB90M407APF-G-126-BND Display Controller (DISPLAY Board)
Pin No.
1
2 to 6
7 to 10
11
12 to 22
23
24 to 41
42
43 to 47
48
49 to 51
52,53
54
55
56
57
58
59
60
61
62
63
64, 65
66
67
68
69
70
71
72 to 76
77
78
79
80
81
82
83
84
85
86 to 93
94 to 100
I/O
O
O
O
–
O
–
O
–
O
–
I
–
–
–
–
–
–
I
I/O
I/O
–
–
–
I
I
I
I
I
I
I
I
I
I
I
–
I
O
–
O
O
O
Pin Name
LED16/PIP16
FIP17 to FIP21
FIP22 to FIP25
VSS-IO
FIP26 - 36
VDD-FIP
FIP37 - 54
VSS-IO
FIP55 - 59
VKK
MD0 - 2
IC0, 1
SI0
SC0
SO0
SI1
P-V-LED-10
SO1
SDA(I2C)
SCL(I2C)
AVCC
AVSS
PA0, 1
PA2
PA3
PA4
PA5
PA6
PA7
PB0 - 4
RSTX
PB5
PB6
PB7
VSS-CPU
X0
X1
VCC-CPU
LED0/PIP0
LED1 to 8/PIP1 to 8
LED9 -15/PIP9 -15
Description
Grid drive signal output to the fluorescent indicator tube (FL701)
Grid drive signal output to the fluorescent indicator tube (FL701)
Segment drive signal output to the fluorescent indicator tube (FL701)
Ground
Segment drive signal output to the fluorescent indicator tube (FL701)
Power supply
Segment drive signal output to the fluorescent indicator tube (FL701)
Ground
Segment drive signal output to the fluorescent indicator tube (FL701)
Power supply (-30V) (for fluorescent indicator tube drive)
Operation mode setting input
Not used (open)
Not used (open)
Not used (open)
Not used (open)
Not used (open)
LED drive signal output
CD lid open/close detect switch signal input
Communication bus with the system controller (IC801)
Data communication clock input or output with the system controller (IC801)
Power supply (analog)
Ground (analog)
Not used (open)
Jog dial A signal input from the rotary encoder (RV752)
Jog dial B signal input from the rotary encoder (RV752)
Volume A signal input from the rotary encoder (RV751)
Volume B signal input from the rotary encoder (RV751)
L-ch level signal input Not used (open)
R-ch level signal input Not used (open)
Level signal input
Reset signal input from the system controller (IC801)
Key signal input from the function key
Key signal input from the function key
Key signal input from the function key
Ground
System clock input (4MHz)
System clock output (4MHz)
Power supply
Not used (open)
LED drive signal output
Grid drive signal output to the fluorescent indicator tube (FL701)