Yamaha Portatone YPT-300 Руководство по эксплуатации - Страница 11
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LSI PIN DESCRIPTION
YMW767-VTZ (X6055A00) CPU (Central Processing Unit)
PIN
NAME
I/O
NO.
1
V
SS
2 TESTN (SCMD)
I
3
PLLBPN
I
4
PLLV
DD
5
CIN
6
PLLV
SS
7
TRSTN
I
8
TMS
I
9
TCK
I
10
TDI
I
11
TDO
O
12
XI
I
13
XO
O
14
V
SS
15
V
DD
16
ICN
I
17
ECSN
I
18
EWRN/PD5
I
19
ERDN/PD4
I
20
EA3/PD3
I
21
EA2/PD2
I
22
EA1/PD1
I
23
EA0/PD0
I
24
IOV
DD
25
ED0/PC0
I/O
26
ED1/PC1
I/O
27
ED2/PC2
I/O
28
ED3/PC3
I/O
29
ED4/PC4
I/O
30
ED5/PC5
I/O
31
ED6/PC6
I/O
32
ED7/PC7
I/O
33
V
SS
34
IRQ0N/PH0
I
35
TxD0
O
36
RxD0
I
37
TxD1/PG2
O
38
RxD1/PH1
I
39
SCLK1/PH2
I
40
SDO
O
41
SDI/PH3
I
42
BCLK
O
43
WCLK/SYO
O
44
SYSCLK/PG3
O
45
V
SS
46
V
DD
47
IOV
DD
48
PA0
I/O
49
PA1
I/O
50
PA2
I/O
51
PA3
I/O
52
PA4
I/O
53
PA5
I/O
54
PA6
I/O
55
PA7
I/O
56
V
SS
57
PB0
I/O
58
PB1
I/O
59
PB2
I/O
60
PB3
I/O
61
PB4
I/O
62
PB5
I/O
63
PB6
I/O
64
PB7/SYI
I/O
FUNCTION
Ground
TEST Pin
PLL bypass
Power supply
Condenser connect
Ground
JTAG
Crystal oscillator
Ground
Power supply
Initial clear
Chip select
Write enable
Read enable
Address bus
Power supply
Data bus /
Ground
Interrupt request
Serial port 0
Serial port 1 /
EXT Clock /
Serial data
Serial data /
Bit clock
Word clock
System clock
Ground
Power supply
Parallel port A
Ground
Parallel port B
Parallel port B /
PIN
NAME
I/O
NO.
65
V
SS
66
IOV
DD
67 LBN/LWRN/PF6
O
68 UBN/UWRN/PF7
O
69
RDN/PF4
O
70
MD00
I/O
71
MD08
I/O
72
MD01
I/O
73
MD09
I/O
74
MD02
I/O
75
MD10
I/O
76
MD03
I/O
77
V
SS
78
MD11
I/O
79
MD04
I/O
80
MD12
I/O
81
MD05
I/O
82
MD13
I/O
83
MD06
I/O
84
MD14
I/O
85
MD07
I/O
86
MD15
I/O
87
WRN/PF5
O
88
V
SS
89
V
DD
90
IOV
DD
91
MA17
O
92
MA16
O
93
MA15
O
94
MA14
O
95
MA13
O
96
MA12
O
97
MA11
O
98
MA10
O
99
MA09
O
100
MA08
O
101
MA07
O
102
MA06
O
103
MA05
O
104
V
SS
105
MA04
O
106
MA03
O
107
MA02
O
108
MA01
O
109
CS0N/PG0
O
110
MA18
O
111
MA19
O
112
MA21/PF1
O
113
MA22/PF2
O
114
MA20
O
115
MA23/PF3
O
116
CSIN/PG1
O
117
MA00/PF0
O
118
V
SS
119
V
DD
120
IOV
DD
121
CS2N/PE0
O
122
CS3N/PE1
O
123 CS4N/CASN/PE2
O
124
CS5N/PE3
O
125 CS50RDN/PE4
O
126 CS51WRN/PE5
O
127 CS52WRN/PE6
O
128 CS53WRN/RASN/PE7
O
PSR-E303/YPT-300
DMLCD: IC301
FUNCTION
Ground
Power supply
Low byte enable
Upper byte enable
Read enable
Memory data bus
Ground
Memory data bus
Ground
Power supply
Power supply
Memory address bus
Ground
Memory address bus
Chip select /
Memory address bus
Memory address bus
Memory address bus
Memory address bus
Chip select /
Memory address bus
Ground
Power supply
Power supply
Chip select /
Chip select /
Chip select /
Chip select /
Chip select /
Chip select /
Chip select /
Chip select /
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