Yamaha HTR-5280 - AV Receiver - 5.1 Channel, Service Manual

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RX-V800/RX-V800RDS/HTR-5280/DSP-AX8
SVP
VCT
SVP
VCT
R2
R3
R0L
R1L
R0H
R1H
A-D Converter (10 bit x 8 ch,
Possible to 10 ch)
UART/Clock Synchronized
SI/O (8 bit x 5 ch)
X-Y Converter
(16 bit x 16 bit)
CRC arithmetic Circuit (CCITT)
(X16+X12+X5+1)
Port P0
8
RAM
10K
DRAM
Controller
FLG
INTB
ISP
SVF
SVP
VCT
SVP
VCT
SVP
VCT
R2
R3
R0L
R1L
R0H
R1H
USP
PC
DMA
Controller
Multiplication
Controller
Register
Timer
System clock
Timer TA0 (16 bit)
Timer TA1 (16 bit)
Timer TA2 (16 bit)
Timer TA3 (16 bit)
Timer TA4 (16 bit)
Timer TB0 (16 bit)
Timer TB1 (16 bit)
Timer TB2 (16 bit)
Timer TB3 (16 bit)
Timer TB4 (16 bit)
Timer TB5 (16 bit)
Watching Timer
(15 bit)
D-A Converter
(8 bit x 2 ch)
X
IN
- X
OUT
X
CIN
- X
COUT
Inside Function
I/O Port
Memory
Port P1
8
Port P2
8
Port P3
8 8
Port P4
Port P7
8
Port P8
7
Port P85
Port P9
8
8
Port P10
Port P5
8 8
Port P6
Port P15
8
Port P14
7 8
Port P13 Port P12
8 5
Port P11
108
P1
1
/D
9
107
P1
2
/D
10
106
P1
3
/D
11
105
P1
4
/D
12
104
P1
5
/D
13
/INT
3
103
P1
6
/D
14
/INT
4
102
P1
7
/D
15
/INT
5
101
P2
0
/A
0
(/D
0
)
100
P2
1
/A
1
(/D
1
)
99
P2
2
/A
2
(/D
2
)
98
P2
3
/A
3
(/D
3
)
97
P2
4
/A
4
(/D
4
)
96
P2
5
/A
5
(/D
5
)
95
P2
6
/A
6
(/D
6
)
94
P2
7
/A
7
(/D
7
)
93
V
SS
92
P3
0
/A
8
(MA
0
)(/D
8
)
91
V
CC
90
P12
0
89
P12
1
88
P12
2
87
P12
3
86
P12
4
85
P3
1
/A
9
(MA
1
)(/D
9
)
84
P3
2
/A
10
(MA
2
)(/D
10
)
83
P3
3
/A
11
(MA
3
)(/D
11
)
82
P3
4
/A
12
(MA
4
)(/D
12
)
81
P3
5
/A
13
(MA
5
)(/D
13
)
80
P3
6
/A
14
(MA
6
)(/D
14
)
79
P3
7
/A
15
(MA
7
)(/D
15
)
78
P4
0
/A
16
(MA
8
)
77
P4
1
/A
17
(MA
9
)
76
V
SS
75
P4
2
/A
18
(MA
10
)
74
V
CC
73
P4
3
/A
19
(MA
11
)
72 P4
4
/CS
3
/A
20
(MA
12
)
71 P4
5
/CS
2
/A
21
70 P4
6
/CS
1
/A
21
69 P4
7
/CS
0
/A
23
68 P12
5
67 P12
6
66 P12
7
65 P5
0
/WRL/WR/CASL
64 P5
1
/WRH/BHE/CASH
63 P5
2
/RD/DW
62 P5
3
/BCLK/ALE/CLK
OUT
61 P13
0
60 P13
1
59 V
CC
58 P13
2
57 V
SS
56 P13
3
55 P5
4
/HLDA/ALE
54 P5 5 /HOLD
53 P5
6
/ALE/RAS
52 P5
7
/RDY
51 P13
4
50 P13
5
49 P13
6
48 P13
7
47 P6
0
/CYS
0
/RTS
0
46 P6
1
/CLK
0
45 P6
2
/R
X
D
0
44 P6
3
/T
X
D
0
43 P6
4
/CTS
1
/RTS
1
/CTS
0
/CLKS
1
42 P6
5
/CLK
1
41 V
SS
40 P6
6
/R
X
D
1
39 V
CC
38 P5
7
/T
X
D
1
37 P7
0
/T
X
D
2
/SDA
2
/TA
0OUT
(*1)
(*1) N channnel Open Drain Output
P1
0
/D
8
P0
7
/D
7
P0
6
/D
6
P0
5
/D
5
P0
4
/D
4
P11
4
P11
3
P11
2
P11
1
P11
0
P0
3
/D
3
P0
2
/D
2
P0
1
/D
1
P0
0
/D
0
P15
7
P15
6
P15 5
P15
4
P15
3
P15
2
P15
1
V
SS
P15
0
V
CC
P10
7
/AN
7
/K13
P10
6
/AN
6
/K12
P10
5
/AN
5
/K11
P10
4
/AN
4
/K10
P10
3
/AN
3
P10
2
/AN
2
P10
1
/AN
1
AV
SS
P10
0
/AN
0
V
REF
AV
CC
R9
1
/AD
1RG
/R
X
D
4
/SCL
4
/ST
X
D
4
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
P9
6
/ANEX
1
/T
X
D
4
/SDA
4
/SR
X
D
4
P9
5
/ANEX
0
/CLK
4
P9
4
/DA
1
/TB
4IN
/CTS
4
/R
TS
2
/SS
4
P9
3
/DA
0
/TB
3IN
/CTS
3
/R
TS
3
/SS
3
P9
2
/TB
2IN
/T
X
D
3
/SDA
3
/SR
X
D
3
P9
1
/TB
1IN
/R
X
D
3
/SCL
2
/ST
X
D
3
P9
0
/TB
0IN
/CLK
3
P14
6
P14
5
P14
4
P14
3
P14
2
P14
1
P14
0
BYTE
CNV
SS
P8
7
/X
CIN
P8
6
/X
COUT
RESET
X
OUT
V
SS
X
IN
V
CC
P8
5
/NMI
P8
4
/INT
2
P8
3
/INT
1
P8
2
/INT
0
P8
1
/T
A
4IN
/U
P8
0
/T
A
4OUT
/U
P7
7
/T
A
3IN
P7
6
/T
A
3OUT
P7
5
/T
A
2IN
/W
P7
4
/T
A
2OUT
/W
P7
3
/CTS
2
/R
TS
2
/T
A
1IN
/V
P7
2
/CLK
2
/T
A
1OUT
/V
P7
1
/R
X
D
2
/SCL
2
/T
A
0IN
/TB
0IN
(*1)
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
M16C/80 Series 16 bit CPU
M30802SGP
E-29/J-25
IC526 : M30802SGP
16bit µ-COM (Main CPU)