Yamaha MR816CSX, Service Manual

Page: 18 / 107

MR816CSX/MR816X
18
DM: IC131, 132
PIN
NO.
I/O NAME
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
PIN
NO.
I/O NAME
WAITN
IRQN_OUT
VSS
VDDE
SCANSW[4]
SCANSW[3]
SCANSW[2]
SCANSW[1]
SCANSW[0]
VSS
VDDI
ADVDD
ADVSS
VRL
VREF
ANPORT[3]
ANPORT[2]
ANPORT[1]
ANPORT[0]
VRH
VDDE
IRQN_IN
ARMSTOP
VSS
XI
VSS
VDDI
XO
TESTN
VDDE
PLVDD
PLVSS
PLLBPN
VDDI
ACLK
AFRM
ADIR
VSS
ADAT[0]
ADAT[1]
ADAT[2]
ADAT[3]
VDDE
ADAT[4]
ADAT[5]
ADAT[6]
ADAT[7]
ADAT[8]
ADAT[9]
VSS
ADAT1[0]
ADAT[11]
ADAT[12]
ADAT[13]
ADAT[14]
ADAT[15]
DITO
SYSCLK
SYO
VSS
VDDE
BCLK
WCLK0
SDO[0]
SDO[1]
SDO[2]
SDO[3]
SDO[4]
SDO[5]
SDO[6]
SDO[7]
VSS
VDDI
MUTEN
SDI[0]
SDI[1]
SDI[2]
SDI[3]
VDDI
SDI[4]
SDI[5]
SDI[6]
VDDE
EXCLK
VSS
VDDI
SDI[7]
SDI[8]
SDI[9]
SDI[10]
SDI[11]
SYI
VPD
VSS
RCLKI
VSS
VDDE
RCLK
VSS
RDN
WRN
UBN
LBN
VDDE
Wait for external CPU
Output of interrupt information
VSS
VDDE +3.3V
Scan control
VSS
VDDI +1.8V
ADVDD 3.3V
ADVSS
ADC reference voltage
ADC reference voltage
ADC analog input
ADC reference voltage
VDDE +3.3V
Interrupt input
ARM stop
VSS
Crystal oscillator(input)
VSS
VDDI +1.8V
Crystal oscillator(output)
Test pin
VDDE +3.3V
PLVDD +1.8V
PLVSS
Switch of PLL and XI
VDDI +1.8V
ABUS clock
ABUS frame
ABUS directon
VSS
ABUS data bus
VDDE +3.3V
ABUS data bus
VSS
ABUS data bus
DIT output
System clock
External synchronization
VSS
VDDE +3.3V
Bit clock of SDI, SDO
Word clock of SDI, SDO
Serial audio output
VSS
VDDI +1.8V
Audio mute
Serial audio input
VDDI +1.8V
Serial audio input
VDDE +3.3V
External synchronization clock
VSS
VDDI +1.8V
Serial audio input
External synchronization input
Test pin
VSS
SDRAM clock
VSS
VDDE +3.3V
SDRAM clock
VSS
External memory read
External memory write
RAM enable(Upper Byte)
RAM enable(Lower Byte)
VDDE +3.3V
Data bus(ARM,DSP -> memory)
Data bus(ARM,DSP -> memory)
VSS
Data bus(ARM,DSP -> memory)
VDDE +3.3V
Data bus(ARM,DSP -> memory)
VSS
Data bus(ARM,DSP -> memory)
VDDI +1.8V
Data bus(ARM,DSP -> memory)
Memory addres bus
VDDE +3.3V
VSS
VDDI +1.8V
Memory addres bus
VDDI +1.8V
Memory addres bus
VSS
Memory addres bus
VDDE +3.3V
Memory addres bus
Chip Select
VSS
Chip Select
External Address bus / GPIO
VSS
VDDE +3.3V
External Address bus / GPIO
External chip select
External read
External write
External Data bus / GPIO
VSS
VDDI +1.8V
External Data bus / GPIO
VDDI +1.8V
External Data bus / GPIO
VSS
VDDI +1.8V
External Data bus / GPIO
VDDE +3.3V
JTAG clock
JTAG mode
JTAG reset
VSS
VDDE +3.3V
Initial clear
JTAG input
JTAG output
Serial output 0
Serial input 0
Serial output 1
Serial input 1
O
O
-
-
O
O
O
O
O
-
-
-
-
I
I
I
I
I
I
I
-
I
I
-
I
-
-
I/O
I
-
-
-
I
-
I/O
I/O
O
-
I/O
I/O
I/O
I/O
-
I/O
I/O
I/O
I/O
I/O
I/O
-
I/O
I/O
I/O
I/O
I/O
I/O
O
O
O
-
-
O
O
O
O
O
O
O
O
O
O
-
-
I
I
I
I
I
-
I
I
I
-
I
-
-
I
I
I
I
I
I
I
-
I
-
-
O
-
O
O
O
O
-
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208 MD[7]
MD[6]
VSS
MD[5]
MD[4]
MD[3]
MD[2]
MD[1]
MD[0]
VDDE
MD[15]
MD[14]
MD[13]
MD[12]
VSS
MD[11]
MD[10]
MD[9]
VDDI
MD[8]
MA[12]
MA[10]
MA[9]
MA[8]
VDDE
VSS
VDDI
MA[7]
MA[6]
MA[5]
MA[13]
MA[14]
MA[11]
VDDI
MA[1]
MA[2]
MA[3]
VSS
MA[4]
MA[18]
MA[19]
MA[17]
VDDE
MA[16]
MA[15]
MA[20]
CS0N
CS2N
CS3N
VSS
CS4N
EA[1]
EA[2]
EA[3]
EA[4]
EA[5]
EA[6]
EA[7]
EA[8]
VSS
VDDE
EA[9]
EA[10]
EA[11]
EA[12]
EA[13]
EA[14]
ECSN
ERDN
EWRN
ED[0]
VSS
VDDI
ED[1]
ED[2]
ED[3]
ED[4]
ED[5]
VDDI
ED[6]
ED[7]
ED[8]
ED[9]
ED[10]
VSS
VDDI
ED[11]
ED[12]
ED[13]
ED[14]
ED[15]
VDDE
TCK
TMS
TRST
VSS
VDDE
ICN
TDI
TDO
TXD0
RXD0
TXD1
RXD1
I/O
I/O
-
I/O
I/O
I/O
I/O
I/O
I/O
-
I/O
I/O
I/O
I/O
-
I/O
I/O
I/O
-
I/O
O
O
O
O
-
-
-
O
O
O
O
O
O
-
O
O
O
-
O
O
O
O
-
O
O
O
O
O
O
-
O
I
I
I
I
I
I
I
I
-
-
I
I
I
I
I
I
I
I
I
I/O
-
-
I/O
I/O
I/O
I/O
I/O
-
I/O
I/O
I/O
I/O
I/O
-
-
I/O
I/O
I/O
I/O
I/O
-
I
I
I
-
-
I
I
O
O
I
O
I
FUNCTION FUNCTION
MB87S1280
(X6363A00)
SSP1
(MAIN/SUB)