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63
HCD-GNX780/GNX880
Pin No.
Pin Name
I/O
Description
1 to 8
G8 to G1
O
FLD grid signal output
9, 10
P1,P2
O
FLD segment signal output
11
VSS-IO
–
Ground terminal
12 to 22
P3 to P13
O
FLD segment signal output
23
VDD-FIP
–
Power supply te3.3V)
24 to 41
P14 to P31
O
FLD segment signal output
42
VSS-IO
–
Ground terminal
43 to 47
P32 to P36
O
FLD segment signal output
48
VKK
–
Power supply terminal (-35V)
49
MD0
I
Micom operating mode (Pull up)
50
MD1/VDD-VFT
I
Micom operating mode (Pull up)
51
MD2
I
Micom operating mode (Pull down)
52
LED-CD/DVD,TUNER
O
LED drive signal output
53
LED-TAPE,TV/SAT
O
LED drive signal output
54
LED-VIDEO (PAUSE,STOP)
O
LED drive signal output
55
LED-(AMS+,AMS-),(FF,FR)
O
LED drive signal output
56
LED-VOLUME 1,2
O
LED drive signal output
57
LED-VOLUME 3,4
O
LED drive signal output
58
LED-VOLUME 5,6
O
LED drive signal output
59
LED-VOLUME 7,8
O
LED drive signal output
60
IIC DATA
I/O
IIC bus serial data input/output
61
IIC CLOCK
I/O
IIC bus serial clock input/output
62
AVCC
–
Power supply terminal (+3.3V)
63
AVSS
–
Ground terminal
64 to 66
KEY0 to KEY2
I
Key input (A/D)
67
ALL BAND
I
Audio L+R signal input
68 to 71
BPF4 to BPF1
I
Spectrum analyzer signal input
72
OPERATION DIAL
I
OPERATION DIAL encoder signal input
73
JOG X-ROUND
I
X-ROUND JOG encoder signal input (Not used)
74
VOLUME
I
Volume encoder signal input
75
LED-(BEAT JUMP,BEAT MAX)
O
LED drive signal output (Not used)
76
LED-(BALANCE,WAVE,
O
LED drive signal output (Not used)
FADER,RANDOM),DELAY
77
RESET
I
Reset signal input
78
LED-FLANGER,CHORUS
O
LED drive signal output
79
LED-PLAY
O
LED drive signal output
80
LED-SELECTOR
O
LED group select signal output
81
VSS-CPU
–
Ground terminal
82
XOUT
O
Crystal oscillator output (4MHz)
83
XIN
I
Crystal oscillator input (4MHz)
84
VCC-CPU
–
Power supply terminal (+3.3V)
85 to 100
G24 to G9
O
FLD grid signal output
• IC902 MB90M407PF-G-148E1 DISPLAY CONTROL (PANEL BOARD)