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3 7 63 1515 0
• IC901 IIC INTERFACE (uPD780016YGF-020-3BA)/VIDEO board
Pin No.
Pin Name
P80 to P87
1 to 8
9
TEST
X2
10
X1
11
VDD
12
13
XT2
XT1
14
RESET
15
PO0, PO1
16, 17
18
QINT
PO3 to PO6
19 to 22
VDD
23
24
AVDD
25 to 32
P10 to P17
AVSS
33
34
CMD0
35
CMD1
CMD2
36
CMD3
37
38, 39
P24, P25
VSS
40
P26, P27
41, 42
TE
L 13942296513
MREQ
43
44
SACK
CDGM
45
P93
46
MDATA
47
48
MCLK
OS-XLAT
49
G-XLAT
50
G-XRST
51
52
CD-XRST
CDPOW
53
DOUT
54
55
IIC-DATA
IIC-CLK
56
P40 to P47
57 to 64
65
NRON
66
LEVEL0
LEVEL1
67
NR-XCS
68
69, 70
P54, P55
VSS
71
www
P56, P57
72, 73
P60 to P67
74 to 81
P100 to P103
82 to 85
.
P30 to P37
86 to 93
P150 to P156
94 to 100
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I/O
Connected to ground
I
Connected to ground
–
X' tall (5MHz)
O
X' tall (5MHz)
I
Power supply +5V
–
Not used
–
Connected to +5V
–
System reset input
I
Not used (Fixed at "L")
I
CD-BUS interrupt input
I
Not used (Fixed at "L")
I
Power supply +5V
–
Power supply +5V
–
Connected to ground
I
Ground
–
Input/output terminal exchanging data bus 0 with mecha-con, (IC701/VIDEO board)
I/O
Input/output terminal exchanging data bus 1 with mecha-con, (IC701/VIDEO board)
I/O
Input/output terminal exchanging data bus 2 with mecha-con, (IC701/VIDEO board)
I/O
Input/output terminal exchanging data bus 3 with mecha-con, (IC701/VIDEO board)
I/O
Connected to ground
I
Ground
–
Connected to ground
I
Output command request to mecha-con. (IC701/VIDEO board)
O
Input command acknowledge from mecha-con. (IC701/VIDEO board)
I
Not used (Fixed at "L")
I
Connected to ground
I
Serial data output (IC271, 301)
O
Serial clock output (IC271, 301)
O
Serial latch output to OSD (IC271)
O
Not used
O
Not used
O
Video CD section reset output
O
Not used
O
Not used
O
Serial data input from master control (IC701/MAIN board)
I
Serial clock input from master control (IC701/MAIN board)
I
Connected to ground
I
Not used
O
Not used
O
Not used
O
Chip select output to noise reduction (IC301/VIDEO board)
O
Connected to ground
I
Ground
I
Connected to ground
I
Connected to ground
I
x
ao
u163
y
Connected to ground
I
i
Connected to ground
I
Connected to ground
I
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2 9
8
Function
Q Q
3
6 7
1 3
1 5
co
.
– 109 –
9 4
2 8
0 5
8
2 9
9 4
2 8
m
9 9
9 9
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