Yamaha Clavinova CVP-205 Service Manual page 26

JG760082A (XV481B00) Gate Array (Video Out)
PIN
NAME I/O
NO.
1 RESET I Reset (High/Low)
2 TEST I Test mode setting (High/Low)
3 MODE I Mode select (High/Low)
4 NTSC/PAL I NTSC/PAL signal input (High/Low)
5 YD I Frame
6 LP I Line latch pulse
7 5V - Power supply (5 v)
8 XSCL I 4 Dot latch clock
9 GND - Ground (In buffer)
10 XD0 I
11 XD1 I
Dot data
12 XD2 I
13 XD3 I
14 GND - Ground
15 5V - Power supply (In buffer 5 V)
16 5V - Power supply (Out buffer 5 V)
17 LCD_CLK O LCD clock output (9 MHz)
18 GND - Ground (Out buffer)
19 XA0 I OSC_NTSC signal input
20 XA1 O OSC_NTSC signal output
21 XB0 I OSC_PAL signal input
22 XB1 O OSC_PAL signal output
23 GND - Ground (In buffer)
24 D0 I/O
25 D1 I/O
26 D2 I/O
27 D3 I/O
Data bus
28 D4 I/O
29 D5 I/O
30 D6 I/O
31 D7 I/O
32 GND - Ground
MBCG46183-129 (XV833A00) SIO4 (Gate Array)
PIN
NAME I/O
NO.
1 D5 I/O
2 D6 I/O Data Bus
3 D7 I/O
4 /IRQ0 I/O Interrupt Request Port 0
5 /IRQ1 I/O Interrupt Request Port 1
6 Vss Ground
7 /IRQ2 I/O Interrupt Request Port 2
8 IRQ3 I/O Interrupt Request Port 3
9 /RD I Read Signal Input
10 /WR I Write Signal Input
11 /CE I Chip Enable Input
12 /ASTB I Address Strobe (Not used: to ground)
13 TESTSIO I Input with Pull-down Resistor (50 k)
14 RX0 I Receive Data 0
15 TX0 O Transmit Data 0
16 RX1 I Receive Data 1
17 TX1 O Transmit Data 1
18 Vss Ground
19 Vdd Power Supply
20 RX2 I Receive Data 2
21 TX2/BO2 O Transmit Data 2
22 RX30 I Receive Data 30
23 TX30 O Transmit Data 30
24 TX31 I Receive Data 31
FUNCTION
FUNCTION
PIN
NAME I/O
NO.
33 RD O Read strobe (High/Low)
34 WR O Write strobe (High/Low)
35 GND - Ground (Out buffer)
36 A0 O
37 A1 O
38 A2 O
39 A3 O
40 A4 O
41 A5 O
42 A6 O Address bus
43 A7 O
44 A8 O
45 A9 O
46 A10 O
47 A11 O
48 A12 O
49 5V - Ground (Out buffer 5 V)
50 A13 O
51 A14 O
Address bus
52 A15 O
53 A16 O
54 SYNCOUT O Sync. signal output
55 GND - Ground (Out buffer)
56 SC_NTSC O SC_NTSC signal output
57 SC_PAL O SC_PAL signal output
58 GND - Ground (Out buffer)
59 BOUT1 O
60 BOUT0 O
61 GOUT1 O
Color data
62 GOUT0 O
63 ROUT1 O
64 ROUT0 O
PIN
NAME I/O
NO.
25 TX31 O Transmit Data 31
26 RX32 I Receive Data 32
27 TX32 O Transmit Data 32
28 RX33 I Receive Data 33
29 TX33 I/O Transmit Data 33
30 /IC I Initial Clear
31 Vss Ground
32 XI I Quartz Crystal Input
33 Vss Ground
34 XO I/O Quartz Crystal Onput
35 A0 I
36 A1 I
37 A2 I
Address Bus
38 A3 I
39 A4 I
40 A5 I
41 CPUCLK I CPU Clock
42 Vss Ground
43 Vdd Power Supply
44 D0 I/O
45 D1 I/O
46 D2 I/O Data Bus
47 D3 I/O
48 D4 I/O
CVP-205/CVP-205M
DM: IC019
FUNCTION
DM: IC026
FUNCTION
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