Y IC901 IC INTERFACE (uPD780016YGF-012-3BA)/VIDEO board
Pin No.Pin NameI/ODescription
1 to 8P80 to P87 IConnected to ground
9TESTNConnected to ground
10X2OXO tall (5MHz)
11X1IXO tall (5MHz)
12VDDNPower supply +5V
13XT2NNot used
14XT1NConnected to +5V
15RESETISystem reset input
16, 17PO0, PO1INot used (Fixed at OL�)
18QINTICD-BUS interrupt input
19 to 22PO3 to PO6INot used (Fixed at OL�)
23VDDNPower supply +5V
24AVDDNPower supply +5V
25 to 32P10 to P17 IConnected to ground
33AVSSNGround
34CMD0I/OInput/output terminal exchanging data bus 0 with mecha-con, (IC901)
35CMD1I/OInput/output terminal exchanging data bus 1 with mecha-con, (IC901)
36CMD2I/OInput/output terminal exchanging data bus 2 with mecha-con, (IC901)
37CMD3I/OInput/output terminal exchanging data bus 3 with mecha-con, (IC901)
38, 39P24, P25IConnected to ground
40VSSNGround
41, 42P26, P27IConnected to ground
43MREQOOutput command request to mecha-con. (IC701)
44SACKIInput command acknowledge from mecha-con. (IC701)
45CDGMINot used (Fixed at OL�)
46P93IConnected to ground
47MDATAOSerial data output (IC271, 301)
48MCLKOSerial clock output (IC271, 301)
49OS-XLATOSerial latch output to OSD (IC271)
50G-XLATONot used
51G-XRSTONot used
52CD-XRSTOVideo CD section reset output
53CDPOWONot used
54DOUTONot used
55IIC-DATAISerial data input from master control (IC701)
56IIC-CLKISerial clock input from master control (IC701)
57 to 64P40 to P47 IConnected to ground
65NRONONot used
66LEVEL0ONot used
67LEVEL1ONot used
68NR-XCSOChip select output to noise reduction (IC301)
69, 70P54, P55IConnected to ground
71VSSIGround
72, 73P56, P57IConnected to ground
74 to 81P60 to P67 IConnected to ground
82 to 85P100 to P103 IConnected to ground
86 to 93P30 to P37 IConnected to ground
94 to 100P150 to P156 IConnected to ground
N 68 N |