Pin No.
Pin Name
51
MD2
52
HSTX
53
RDS CLOCK
54
RDS DATA
55
VOL UP
56
VOL DOWN
57
IRQ6
58
U-RESET
59
U-SREQ
60
U-MREQ
61
U-DATA
62
U-CLOCK
63
AUBUS-IN
64
—
65
—
66
—
67
AUBUS-OUT
68
—
69
FUNCTION-UP
70
FUNCTION-DOWN
71
—
72
SP-A
73
SP-B
74
POW-KEY IN
75
—
76
—
77
RESET
78
—
79
—
80
—
81
VSS
82
X0
83
X1
84
VCC
85
—
86
—
87
LED DOLBY DIGITAL
88
LED VOL
89
LED BASS BOOST
90
LED A VIDEO1
91
LED V VIDEO1
92
LED A VIDEO2
93
MBUS-V1
94
MBUS-V2
95
MBUS-TV
96
MBUS-STATUS
97
—
98
—
99
—
100
—
I/O
I
MD 2
I
Hardware STANDBY input
I
RDS clock input
RDS data input
I
O
Volume up output
O
Volume down output
I
SP switch S102
O
Reset output
I
Slave request and data input
O
Master request output
O
Master data output
O
Master clock output
I
Audio bus input
—
Not used (Connected to ground)
—
Not used (Connected to ground)
—
Not used (Connected to ground)
O
Audio bus output
—
Not used (Connected to ground)
I
Function encoder up input
I
Function encoder down input
Not used (Connected to ground)
—
I
Speaker A select switch input
I
Speaker B select switch input
I
Power key input
—
Not used (Connected to ground)
—
Not used (Connected to ground)
I
Reset input
Not used (Connected to ground)
—
—
Not used (Connected to ground)
—
Not used (Connected to ground)
—
Not used (Connected to ground)
—
External crystal is connected to this terminal
—
External crystal is connected to this terminal
—
Power supply +5 V
—
Not used (Connected to ground)
—
Not used (Connected to ground)
O
MULTI FORMAT DECODE display data output to LED
O
VOLUME display data output to LED
O
BASS BOOST display data output to LED
O
VIDEO 1 audio display data output to LED
O
VIDEO 1 visual display data output to LED
O
VIDEO 2 audio display data output to LED
I
V1 input form MBUS (Connected to ground)
I
V2 input form MBUS (Connected to ground)
TV input form MBUS (Connected to ground)
I
I
STATUS input form MBUS (Connected to ground)
—
Not used (Connected to ground)
O
CTRL latch
—
Not used (Connected to ground)
—
Not used (Connected to ground)
– 64 –
Description