Mbcg46183-129Pfv-G (Xv833A00) Gate Array (Sio4); Sgh603064F-62F (Xv973A00) Gate Array - Yamaha DM1000 Service Manual

DM1000/MB1000/SP1000

MBCG46183-129PFV-G (XV833A00) Gate Array (SIO4)

PIN
NAME I/O
NO.
1 D5 I/O
2 D6 I/O
3 D7 I/O
4 /IRQ0 I/O
5 /IRQ1 I/O
6 Vss
7 /IRQ2 I/O
8 IRQ3 I/O
9 /RD I
10 /WR I
11 /CE I
12 /ASTB I
13 TESTSIO I
14 RX0 I
15 TX0 O
16 RX1 I
17 TX1 O
18 Vss
19 Vdd
20 RX2 I
21 TX2/BO2 O
22 RX30 I
23 TX30 O
24 TX31 I

SGH603064F-62F (XV973A00) Gate Array

PIN
NAME I/O
NO.
1 RA1 I
2 RB1 I
3 RA2 I
4 RB2 I
5 V
SS
6 RA3 I
7 RB3 I
8 RA4 I
9 RB4 I
10 V
SS
11 RA5 I
12 RB5 I
13 RA6 I
14 RB6 I
15 V
SS
16 RA7 I
17 RB7 I
18 RA8 I
19 RB8 I
20 A0 I
21 A1 I
22 A2 I
23 V
SS
24 RDN I
25 CSN I
26 V
DD
27 ASN I
28 A3N I
29 SEL I
30 NC
31 NC
32 NC
50
FUNCTION
Data Bus
Interrupt Request Port 0
Interrupt Request Port 1
Ground
Interrupt Request Port 2
Interrupt Request Port 3
Read Signal Input
Write Signal Input
Chip Enable Input
Address Strobe (Not used: to ground)
Input with Pull-down Resistor (50k)
Receive Data 0
Transmit Data 0
Receive Data 1
Transmit Data 1
Ground
Power Supply
Receive Data 2
Transmit Data 2
Receive Data 30
Transmit Data 30
Receive Data 31
FUNCTION
Encoder input
Ground
Encoder input
Ground
Encoder input
Ground
Encoder input
Address bus
Ground
Read
Chip select
Power supply +5V
Address strobe
Address bus
Bus select
Not used
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
PIN
NAME I/O
NO.
33 D0 O
Data bus
34 D1 O
35 V Ground
SS
36 D2 O
Data bus
37 D3 O
38 V Ground
SS
39 D4 O
Data bus
40 D5 O
41 V Ground
SS
42 D6 O
Data bus
43 D7 O
44 V Ground
SS
45 NC
Not used
46 NC
47 RA9 I
48 RB9 I
49 RA10 I
50 RB10 I
51 RA11 I
52 RB11 I Encoder input
53 RA12 I
54 RB12 I
55 RA13 I
56 RB13 I
57 RA14 I
58 V Power supply +5V
DD
59 RB14 I
60 RA15 I
61 RB15 I Encoder input
62 RA16 I
63 RB16 I
64 V Ground
SS
MAIN: IC651
FUNCTION
FD: IC302, 303
FUNCTION