Lsi Pin Description - Yamaha Portatone PSR-E303 Service Manual

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 /
11