Yamaha PortaTone PSR-740 Manual de servicio - Página 4
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PSR-740/PSR-640
LSI PIN DESCRIPTION
SH-7043A (XW485100) CPU
SH-7043 (XW180100) CPU
PIN
NAME
I/O
NO.
1
/WRHH/PA23
O
2
DACK0/PE14
O
3
/WRHL/PA22
O
4
/CASHH/PA21
I/O
5
DACK1/PE15
O
6
VSS
I
7
A0
O
8
A1
O
9
A2
O
10
A3
O
11
A4
O
12
VCC
I
13
A5
O
14
VSS
I
15
A6
O
16
A7
O
17
A8
O
18
A9
O
19
A10
O
20
A11
O
21
A12
O
22
A13
O
23
A14
O
24
A15
O
25
A16
O
26
VCC
I
27
A17
O
28
VSS
I
29
/CASHL/PA20
I/O
30
PA19
I/O
31
/RAS/PB2
O
32
/CASL/PB3
O
33
PA18
I/O
34
/CASH/PB4
O
35
VSS
I
36
RDWR/PB5
O
37
A18
O
38
A19
O
39
A20
O
40
VCC
I
41
A21
O
42
VSS
I
43
/RD
O
44
/WDTOVF
O
45
D31
I/O
46
D30
I/O
47
/WRH
O
48
/WRL
O
49
/CS1
O
50
/CS0
O
51
I/O
/IRQ3/PA9/TCLKD
52
I/O
/IRQ2/PA8/TCKLC
53
/CS3
O
54
/CS2
O
55
VSS
I
56
D29
I/O
57
D28
I/O
58
D27
I/O
59
D26
I/O
60
D25
I/O
61
VSS
I
62
D24
I/O
63
VCC
I
64
D23
I/O
65
D22
I/O
66
D21
I/O
67
D20
I/O
68
D19
I/O
69
D18
I/O
70
D17
I/O
71
VSS
I
72
D16
I/O
14
FUNCTION
HH write/Port A
DMA transfer strobe/Port E
HL write/Port A
HH Column address strobe/Port A
DMA transfer strobe/Port E
Ground
Address bus
Power supply
Address bus
Ground
Address bus
Power supply
Address bus
Ground
HL Column address strobe/Port A
Port A
Row address strobe/Port B
Column address strobe (low) /Port B
Port A
Column address strobe (high) /Port B
Ground
DRAM read/write /Port B
Address bus
Power supply
Address bus
Ground
Read
Watch dog timer overflow
Data bus
Data bus
High write
Low write
Chip select
Chip select
Interrupt request/Port A/clock
Interrupt request/Port A/clock
Chip select
Chip select
Ground
Data bus
Ground
Data bus
Power supply
Data bus
Ground
Data bus
PIN
NAME
I/O
NO.
73
D15
I/O
74
D14
I/O
75
D13
I/O
76
D12
I/O
77
VCC
I
78
D11
I/O
79
VSS
I
80
D10
I/O
81
D9
I/O
82
D8
I/O
83
D7
I/O
84
D6
I/O
85
VCC
I
86
D5
I/O
87
VSS
I
88
D4
I/O
89
D3
I/O
90
D2
I/O
91
D1
I/O
92
D0
I/O
93
VSS
I
94
XTAL
I
95
MD3
I
96
EXTAL
I
97
MD2
I
98
NMI
-
99
VCC/FW
I
100
PA16
I/O
101
PA17
I/O
102
MD1
I
103
MD0
I
104
PLLVCC
I
105
PLLCAP
I
106
PLLVSS
I
107
CK/PA15
I/O
108
/RES
I
109
DREQ0/PE0
I/O
110
TIOC0B/PE1
I/O
111
/DREQ1/PE2
I/O
112
VCC
I
113
PE3
I/O
114
PE4
I/O
115
PE5
I/O
116
PE6
I/O
117
VSS
I
118
AN0 /PF0
I
119
AN1/ PF1
I
120
AN2 /PF2
I
121
AN3 /PF3
I
122
AN4 /PF4
I
123
AN5/PF5
I
124
AVSS
I
125
AN6/PF6
I
126
AN7/PF7
I
127
AVREF
I
128
AVCC
I
129
VSS
I
130
RxDO
I
131
TxDO
O
132
/IRQ0/SCK0
I
133
RxD1
I
134
TxD1/PA4
I/O
135
VCC
I
136
/IRQ1/SCK1
I
137
PE7
I/O
138
PE8
I/O
139
PE9
I/O
140
PE10
I/O
141
VSS
I
142
PE11
I/O
143
PE12
I/O
144
PE13
I/O
FUNCTION
Data bus
Power supply
Data bus
Ground
Data bus
Power supply
Data bus
Ground
Data bus
Ground
Crystal oscillator
Mode select
Crystal oscillator
Mode select
Non-maskable interrupt
Power supply
Port A
Port A
Mode select
Mode select
PLL Power supply
PLL capacitor
PLL Ground
Clock/Port A
Reset
DMA transfer request/Port E
MTU input capture/output compare (ch 0)/Port E
DMA transfer request/Port E
Power supply
Port E
Ground
Analog input/Port F
Analog ground
Analog input/ Port F
Analog input /Port F
Analog reference voltage
Analog power supply
Ground
Receive data
Transmit data
Interrupt request/Serial clock
Receive data
SCI/Port A
Power supply
Interrupt request/Serial clock
Port E
Ground
Port E