Yamaha Portable Grand DGX-220 Service Manual page 16

DGX-220/YPG-225
YMW767-VTZ (X6055A00) CPU
Pin
NAME
No.
1 VSS
2 TESTN
3 PLLBPN
4 PLLVDD
5 CIN
6 PLLVSS
7 TRSTN
8 TMS
9 TCK
10 TDI
11 TD0
12 XI
13 XO
14 VSS
15 VDD
16 ICN
17 ECSN
18 EWRN/PD5
19 ERDN/PD4
20 EA3/PD3
21 EA2/PD2
22 EA1/PD1
23 EA0/PD0
24 IOVDD
25 ED0/PC0
26 ED1/PC1
27 ED2/PC2
28 ED3/PC3
29 ED4/PC4
30 ED5/PC5
31 ED6/PC6
32 ED7/PC7
33 VSS
34 IRQ0N/PH0
35 TxD0
36 RxD0
37 TxD1/PG2
38 RxD1/PH1
39 SCLK1/PH2
40 SD0
41 SDI/PH3
42 BCLK
43 WCLK/SY0
44 SYSCLK/PG3
45 VSS
46 VDD
47 IOVDD
48 PA0
49 PA1
50 PA2
51 PA3
52 PA4
53 PA5
54 PA6
55 PA7
56 VSS
57 PB0
58 PB1
59 PB2
60 PB3
61 PB4
62 PB5
63 PB6
64 PB7/SYI
16
I/O FUNCTION
- VSS
I Input for TEST
I PLL bypass select
- PLLVDD +2.5V
- Capacitor terminal for PLL
- PLLVSS
I
I
JTAG input
I
I
O JTAG output
I Crystal oscillator
O Crystal oscillator
- VSS
- VDD +2.5V
I Hardware reset
I CPU I/F chip select
I CPU I/F write enable
I CPU I/F read enable
I
I
CPU I/F address bus
I
I
- IOVDD +3.3V
I/O
I/O
I/O
I/O
CPU I/F data bus
I/O
I/O
I/O
I/O
- VSS
I Interrupt input
O Serial output
I serial input
O Serial output
I serial input
I External synchronization clock
O Serial output
I serial input
O Bit clock output
O Word clock output
O Clock output
- VSS
- VDD +2.5V
- IOVDD +3.3V
I/O
I/O
I/O
I/O
I/O port
I/O
I/O
I/O
I/O
- VSS
I/O
I/O
I/O
I/O
I/O port
I/O
I/O
I/O
I/O
Pin
NAME I/O
No.
65 VSS -
66 IOVDD -
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 VSS -
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 VSS -
89 VDD -
90 IOVDD -
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 VSS -
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 CS1N/PG1 O
117 MA00/PF0 O
118 VSS -
119 VDD -
120 IOVDD -
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 O
CS53WRN/RASN/PE7
DMLCD: IC301
FUNCTION
VSS
IOVDD +3.3V
External memory lower-byte enable
External memory upper-byte enable
External memory read enable
External memory data bus
VSS
External memory data bus
External memory write enable
VSS
VDD +2.5V
IOVDD +3.3V
External memory address bus
VSS
External memory address bus
External memory chip select
External memory address bus
External memory address bus
External memory chip select
VSS
VDD +2.5V
IOVDD +3.3V
External memory chip select