Yamaha YPT-220 Manual - Page 15

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Yamaha YPT-220 Manual
LSI PIN DESCRIPTION（LSI 端子機能表）
AK4385ET (X6040A01) DAC (Digital to Analog Converter) .................................................................16
ML9040A-B01GAZ03A (XZ987A0R) LCD DRIVER ............................................................................16
NT3881DFG-01 (X3148A0R) LCD DRIVER ........................................................................................16
YMW767-VTZ (X6055A0R) CPU (SWL01T) .......................................................................................15
YMW767-VTZ (X6055A0R) CPU (SWL01T)
PIN
NAME
I/O
NO.
1
Vss
-
Ground
2
I
Input for TEST
TESTN
3
PLLBPN
I
PLL bypass select
4
PLLV
-
PLL Power supply +2.5 V
DD
5
CIN
-
Capacitor terminal for PLL
6
PLLVss
-
PLL Ground
7
TRSTN
I
8
TMS
I
JTAG input
9
TCK
I
10
TDI
I
11
TDO
O
JTAG output
12
XI
I
Crystal oscillator
13
XO
O
Crystal oscillator
14
Vss
-
Ground
15
V
-
Power supply +2.5 V
DD
16
ICN
I
Hardware reset
17
ECSN
I
CPU I/F chip select
18
EWRN/PD5
I
CPU I/F write enable / Port D
19
ERDN/PD4
I
CPU I/F read enable / Port D
20
EA3/PD3
I
21
EA2/PD2
I
CPU I/F address bus / Port D
22
EA1/PD1
I
23
EA0/PD0
I
24
IOV
-
Power supply +3.3 V
DD
25
ED0/PC0
I/O
26
ED1/PC1
I/O
27
ED2/PC2
I/O
28
ED3/PC3
I/O
CPU I/F data bus / Port C
29
ED4/PC4
I/O
30
ED5/PC5
I/O
31
ED6/PC6
I/O
32
ED7/PC7
I/O
33
Vss
-
Ground
34
IRQ0N/PH0
I
Interrupt input / Port H
35
TxD0
O
Serial output
36
RxD0
I
Serial input
37
TxD1/PG2
O
Serial output / Port G
38
RxD1/PH1
I
Serial input / Port H
39
SCLK1/PH2
I
External synchronization clock / Port H
40
SDO
O
Serial output
41
SDI/PH3
I
Serial input / Port H
42
BCLK
O
Bit clock output
43
WCLK/SYO
O
Word clock output
44
O
Clock output / Port G
SYSCLK/PG3
45
Vss
-
Ground
46
V
-
Power supply +2.5 V
DD
47
IOV
-
Power supply +3.3 V
DD
48
PA0
I/O
49
PA1
I/O
50
PA2
I/O
51
PA3
I/O
I/O port A
52
PA4
I/O
53
PA5
I/O
54
PA6
I/O
55
PA7
I/O
56
Vss
-
Ground
57
PB0
I/O
58
PB1
I/O
59
PB2
I/O
60
PB3
I/O
I/O port B
61
PB4
I/O
62
PB5
I/O
63
PB6
I/O
64
PB7/SYI
I/O
FUNCTION
PIN
NAME
I/O
NO.
65
Vss
-
Ground
66
IOV
-
Power supply +3.3 V
DD
67
O
External memory lower-byte enable / Port F
LBN/LWRN/PF6
68
O
External memory upper-byte enable / Port F
UBN/UWRN/PF7
69
RDN/PF4
O
External memory read enable / Port F
70
MD00
I/O
71
MD08
I/O
72
MD01
I/O
73
MD09
I/O
External memory data bus
74
MD02
I/O
75
MD10
I/O
76
MD03
I/O
77
Vss
-
Ground
78
MD11
I/O
79
MD04
I/O
80
MD12
I/O
81
MD05
I/O
82
MD13
I/O
External memory data bus
83
MD06
I/O
84
MD14
I/O
85
MD07
I/O
86
MD15
I/O
87
WRN/PF5
O
88
Vss
-
Ground
89
V
-
Power supply +2.5 V
DD
90
IOV
-
Power supply +3.3 V
DD
91
MA17
O
92
MA16
O
93
MA15
O
94
MA14
O
95
MA13
O
96
MA12
O
97
MA11
O
External memory address bus
98
MA10
O
99
MA09
O
100
MA08
O
101
MA07
O
102
MA06
O
103
MA05
O
104
Vss
-
Ground
105
MA04
O
106
MA03
O
External memory address bus
107
MA02
O
108
MA01
O
109
CS0N/PG0
O
External memory chip select / Port G
110
MA18
O
External memory address bus
111
MA19
O
112
MA21/PF1
O
External memory address bus / Port F
113
MA22/PF2
O
114
MA20
O
External memory address bus
115
MA23/PF3
O
External memory address bus / Port F
116
CSIN/PG1
O
External memory chip select / Port G
117
MA00/PF0
O
External memory address bus / Port F
118
Vss
-
Ground
119
V
-
Power supply +2.5 V
DD
120
IOV
-
Power supply +3.3 V
DD
121
CS2N/PE0
O
122
CS3N/PE1
O
123
O
CS4N/CASN/PE2
124
CS5N/PE3
O
External memory chip select / Port E
125
O
CS50RDN/PE4
126
O
CS51WRN/PE5
127
O
CS52WRN/PE6
128
O
CS53WRN/RASN/PE7
PSR-E223/YPT-220
DMLCD: IC101
FUNCTION
15