Yamaha AG-STOMP GA 011589, Service Manual

Page: 15 / 45

AG-Stomp
15
LSI PIN DESCRIPTION
PIN
NO.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
I/O
O
O
I
I
I
I
I
I
I
I
O
O
O
I
I
O
I
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
O
O
O
O
O
O
O
O
O
O
O
O
PA6
PA7
VCC
PB0
PB1
PB2
PB3
PB4
PB5
PB6//DREQ0
PB7//DREQ1
/RESO
VSS
P90/TXD0
P91/TXD1
P92/RXD0
P93/RXD1
P94/SCK0
P95/SCK1
P40/D0
P41/D1
P42/D2
P43/D3
VSS
P44/D4
P45/D5
P46/D6
P47/D7
D8
D9
D10
D11
D12
D13
D14
D15
VCC
A0
A1
A2
A3
A4
A5
A6
A7
VSS
A8
A9
A10
A11
NAME
Port A
Address bus
Power supply
Port B
Reset
Ground
Transmit data (MIDI OUT)
KSN-ACK
Receive data (MIDI IN)
KSN-RX
Port 9
Port 9
(Ground)
Data bus
Power supply
Address bus
(Ground)
FUNCTION
PIN
NO.
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
I/O
O
O
O
O
O
O
O
O
I
I
I
O
I
I
I
I
O
O
O
O
O
I
I
I
I
I
I
I
I
I
I
I
I
O
O
O
O
O
I
I
I
O
O
O
A12
A13
A14
A15
A16
A17
A18
A19
VSS
P60//WAIT
P61//BREQ
P62//BACK
Ø
/STBY
/RES
NMI
VSS
EXTAL
XTAL
VCC
/AS
/RD
/HWR
/LWR
MD0
MD1
MD2
AVCC
VREF
P70/AN0
P71/AN1
P72/AN2
P73/AN3
P74/AN4
P75/AN5
P76/AN6
P77/AN7
AVSS
P80
P81//CS3
P82//CS2
P83//CS1
P84//CS0
VSS
PA0
PA1
PA2
PA3
PA4
PA5
NAME
Address bus
Ground
Port 6
Øout
Stand-by mode signal
Reset
Non-maskable interrupt
Ground
Clock
Clock
Power supply
Address strobe
Read strobe
Write strobe (High)
Write strobe (Low)
Mode select
Analog power supply
Reference voltage
Analog data input (EQ)
Analog input (EQ)
Analog data input
Analog input (CS)
Analog data input (BEND)
Analog input (MOD)
Analog input (FC)
Analog input (BAT)
Analog ground
Port 8
Chip select
Ground
Port A
FUNCTION
HD6413002FP16 (XQ375A00) CPU
DM: IC12