Yamaha DSP-AX1600 Service Manual page 64

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RX-V1600/DSP-AX1600
IC301: M30845FJGP (FUNCTION P.C.B)
16-bit Microprocessor
No.
Port Name
Terminal Name
47
P60
48
P137
VRB
49
P136
VRA
50
P135
PGB
51
P134
PGA
52
P57/RDY
SCKA
53
P56/RAS
SDTA
54
P55/HOLD
CEL
55
P54/HLDA
CET
56
P133
/HPMT
57
Vss
Vss
58
P132
/FATT
59
Vcc
Vcc
60
P131
/MIC
61
P130
/HP
62
P53/BCLK
CKEV
63
P52/RD
DTEV
64
P51/WRH
/CEEV
65
P50/WRL
XMPWR
66
P127
/FMTSW
67
P126
/FMTC
68
P125
/FMTS
69
P47/CS0
/FMTF
70
P46/CS1
/ICFL
71
P45/CS2
CEF2
72
P44/CS3
CEF1
73
P43/A19
ISB
74
Vcc
Vcc
75
P42/A18
ISA
76
Vss
Vss
77
P41/A17
PSWA
78
P40/A16
PSWB
79
P37/A15
SRYA
80
P36/A14
SRYB
81
P35/A13
SRYC
82
P34/A12
SRYSB
83
P33/A11
SRYP
84
P32/A10
SRYSR
85
P31/A9
FANLK
86
P124
PRY
87
P123
/ST
88
P122
TUNED
89
P121
TUCE
90
P120
/TMUTE
91
Vcc
92
P30/A8
PDLED
93
Vss
94
AN27/P27/A7
95
AN26/P26/A6
96
AN25/P25/A5
/Z2MT
97
AN24/P24/A4
/Z3MT
98
AN23/P23/A3
/ICXM
RDSE
99
AN22/P22/A2
RDATA2
100
AN21/P21/A1
RLCK2
101
AN20/P20/A0
PRI
102
P17/D15/INT5
PSW
103
P16/D14/INT4
SSW
104
P15/D13/INT3
PDET
64
I/O
PowerOn
Standby MCUSleep [AC OFF]
O
O
O
I
O
O
I
O
O
I
O
O
I
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O [O]
MCU
MCU
MCU
O
O
O
MCU
MCU
MCU
I
O
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 [O]
O
O
O [O]
O
O
O
O
O
O
O
O
O
I
O
O
MCU
MCU
MCU
I
O
O
MCU
MCU
MCU
I
I
O
I
I
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
I
O
O
O
O
O
I
O
O
I
O
O
O
O
O
O
O
O
MCU
MCU
MCU
O
O
O
MCU
MCU
MCU
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
O
O
O
O
I
O
O
IRQ
IRQ
IRQ
IRQ
IRQ
IRQ
IRQ
IRQ
IRQ
Function
Volume Rotary B
Volume Rotary A
PROGRAM Rotary B
PROGRAM Rotary A
Clock output for audio select IC
Data output for audio select IC / NJU: Transmitting clock 10us, MSB first
JRC analog SW IC CE1
JRC analog SW IC CE2
Headphone MUTE control
FRONT attenuate output PL/PR MIXH
MIC detection / 220k Pull Down
Headphone detection / 100k Pull Up to +5SPC
EVOL serial transmitting clock
EVOL serial transmitting data / Clock speed 1M, MSB first
EVOL CE
XM Radio power supply control
Full Mute SWL/SWR/SW MONO
Full Mute Center
Full Mute SL/SR
Full Mute FL/FR/SBL/SBR
FL driver initial clear
FL enable 1
FL enable 2
Input selector Rotary B
Input selector Rotary A
INT5: After [a SSW input] logic Key distinction
INT5: After [a SSW input] logic Key distinction
MAIN A SP RELAY
MAIN B SP RELAY
CENTER SP RELAY
SURROUND BACK SP RELAY
Presence/Zone SP RELAY
SURROUND/ZONE SP RELAY
FAN lock detection / 100k Pull Up to +5M2
Power relay control
TUNER STEREO detection input / Pull Up to +5SPC
TUNER TUNED input / Pull Up +5SPC
PLL Chip select for TUNER
TUNER Mute output / Logic reversal according to Tr at a FUNCTION P.C.B.
PureDirect LED
Zone2 MUTE control
Zone3 MUTE control
DABIC IC reset (U model)
(C, R, T, K, A, B, L, J models)
RDS Enable (G model)
Recout SW2 control (ROHM) data / Clock speed: 20us, MSBF
Recout SW2 control (ROHM) clock
Current protection detection / 100k Pull Down
Main, Zone2, and 3 Power key interruption
System power SW (Push lock SW)
Power detect detection / At a SUPTR P.C.B., it is 100k Pull Up to 5M2

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