RX-V800/RX-V800RDS/HTR-5280
IC526 : M30802SGP
Pin Description
30
No.
Port No.
Function name
I/O
Detail of function
ON
OFF
BU
1
P96
TXDR
O
232C transmission data / Yokokawa data transmission
O
OL
OL
2
P95
RTS
I/O
232C RTS output / Yokokawa clock input
I/O
OL
OL
3
P94
CTS
I
232C CTS input
I
I
OL
4
P93
FAN
I
Fan control
I
I
OL
5
P92
SDTN
O
None audio serial transmission data (necessary port)
SO
OL
OL
6
P91
RXRDS
I
RDS received / Frequency switch (R version)
SI
I
OL
7
P90
SCKN
SCK
None audio serial clock
SCK
OL
OL
8
P146
E/I
O
Outside / inside synchronized output
O
OL
OL
9
P145
CEBU
O
BU2092CE or ZONE2
O
OL
OL
10
P144
/FLR
O
FL IC reset
O
OL
OL
11
P143
CEM0
O
FL1 enable
O
OL
OL
12
P142
CEM1
O
FL2 enable
O
OL
OL
13
P141
RDSE
O
RDS enable or RDS
O
OL
OL
14
P140
CES
O
Onscreen enable output / N/P format
O
OL
OL
15
BYTE
BYTE
VSS
Vss at 16 bit data
Vss
Vss
Vss
16
CNVss
CNVss
VCC
Vcc at microprocessor mode
Vcc
Vcc
Vcc
17
P87
MODEL
I
Model distinction
I
I
OL
18
P86
BOOT
I
Boot terminal for Yokokawa tool
I
I
OL
19
RESET
RESET
I
Reset
–
–
–
20
XOUT
XOUT
O
Oscillate output
–
–
–
21
VSS
VSS
VSS
Microcomputer ground
–
–
–
22
XIN
XIN
I
Oscillate input
–
–
–
23
VCC
VCC
I
Microcomputer power 5V
–
–
–
24
P85
NMI
I
Pullup by Vcc / 232C boot
–
–
–
25
P84
REM1
I
Remote control pulse input and LO edge interrupted
I
I
OL
26
P83
PEW
I
Power switch and HI edge interrupted
I
I
OL
27
P82
PDET
I
Power detect and LO edge interrupted
I
I
I
28
P81
VSY
I
Vertical synchronized detect
I
I
OL
29
P80
/ICD
O
IC YSS928 / DA / AD / CODEC / DEM
O
OL
OL
30
P77
RXDR
I
232C receive data (connect to pin 29)
I
I
OL
31
P76
/DMT
O
Digital full mute
O
OL
OL
32
P75
INT928
I
YSS928 IPINT / MUTE / DIR
I
I
OL
33
P74
O
OL
OL
34
P73
CEP
O
PLL IC enable
O
OL
OL
35
P72
SCKP
O
PLL IC clock
O
OL
OL
36
P71
RDTP
I
PLL IC receive data
I
I
OL
37
P70
SDTP
O
PLL IC transmission data (necessary PU)
O
OL
OL
38
P57
SDM
O
YSS928 transmission data
SO
OL
OL
39
VCC
VCC
VCC
Microcomputer power 5V
40
P66
SDD
I
YSS928 receive data
SI
I
OL
41
VSS
VSS
VSS
Microcomputer ground
42
P65
SCK
SCK
YSS928 clock
SCK
OL
OL
43
P64
/CSA
O
YSS928 CE
O
OL
OL
44
P63
CEC
O
CS3310 serial transmission data
SO
OL
OL
45
P62
CEC
O
CS3310 enable
O
OL
OL
46
P61
SCKC
SCK
CS3310 serial clock
SCK
OL
OL
47
P60
CSV
O
CS3310 power supply control
O
OL
OL
48
P137
/CSM
O
CS3310 reset
O
OL
OL
49
P136
VRB
I
Volume rotary B
I
I
OL
50
P135
VRA
I
Volume rotary A
I
I
OL
51
P134
PRI
I
Current protection
I
I
I
52
P57
HI
53
P56
HI
54
P55
HI
55
P54
HI
56
P133
/BEC
O
Bus extension control
O
OL
OL
57
VSS
VSS
VSS
Microcomputer ground
58
P132
/Z2MT
O
Zone 2 mute
O
OL
OL
59
VCC
VCC
VCC
Microcomputer power 5V
60
P131
/HPMT
O
Headphone mute
O
OL
OL
61
P130
/FMTF
O
Full mute FL / FR / MAIN -3dB
O
OL
OL
62
P53
HI
63
P52
OE
HI
64
P51
HI
65
P50
WE
HI
66
P127
/FMTS
O
Full mute SWL / SWR / SW MONO
O
OL
OL
67
P126
/FMTC
O
Full mute CENTER
O
OL
OL
68
P125
/FMTM
O
Full mute MAIN L / R, RL / RC / RR"
O
OL
OL
69
P47
Just before
70
P46
Just before
71
P45
Just before
72
P44
Just before
73
P43
Just before
74
VCC
VCC
VCC
Microcomputer power 5V
75
P42
Just before
Содержание HTR-5280 - AV Receiver - 5.1 Channel
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