Yamaha RX-V559 Service Manual page 50

RX-V559/HTR-5950/DSP-AX559
IC2 : M30625MHP-A98GP (DSP P.C.B.)
Microprocessor
No. Port Name Terminal Name
51 P56/ALE SPA
52 P55/HOLD /EMP
53 P54/HLDA PRI
54 P133 PSV
55 P132 PRY
56 P131 MASTER
57 P130 /BLK
58 P53/BCLK ISA
59 P52/RD ISB
60 P51/WRH/BHE TONEA
61 P50/WRL/WR /CE
62 P127 TONEB
63 P126 VRA
64 P125 VRB
65 P47/CS3 VIA
66 P46/CS2 VIB
67 P45/CS1 VIC
68 P44/CS0 S/V
69 P43/A19 /CES
MOD1
70 P42/A18 SVIDD
71 P41/A17 BYPASS
72 P40/A16 /INTCNV
73 P37/A15 /VR1
74 P36/A14 /VR2
75 P35/A13 /PURD
76 P34/A12 /MON
77 P33/A11 CPNTD
78 P32/A10 CMP0
79 P31/A9 CMP1
80 P124 CBYPASS
81 P123 /CNONE
82 P122 TRIG
83 P121 TMT
84 P120 SDRN
85 Vcc2 Vcc
86 P30/A8 SCKN
87 Vss Vss
88 P27/A7 SDTN
89 P26/A6 RDSE
/ICXM
90 P25/A5 SCKP
91 P24/A4 SDTP
92 P23/A3 CEP
93 P22/A2 SDRP
94 P21/A1 /ST
95 P20/A0 TUNED
96 P17/D15/INT5 PDET
97 P16/D14/INT4 /PSW
98 P15/D13/INT3 REM
99 P14/D12 /HP
100 P13/D11 /MTHP
101 P12/D10 /MTFS
102 P11/D9 /MTCT
103 P10/D8 /MTSW
104 P07/D7 /MTZ2
105 P06/D6 CKEV
50
I/O
PowerOn Pure Direct Standby Sleep
O O
I
I O
O O
O O
I O
O O
I O
I O
I O
I
I O
I O
I O
O O O
O O O
O O O
O O O
O O O
I
I O O
O O O
I O O
O O O
O O O
O O
O O O
I O O
O O O
O O O
O O O
O O O
O O
O O
I O
MCU MCU
O O
O O O
MCU MCU
O O
O O O
O O
O O
O O
O O
O O
I+ O
I+ O
I+ O
IRQ IRQ
IRQ IRQ
IRQ IRQ
I O
O O
O O
O O
O O
O O
O O
O FRONT A SP relay output
For FLASH writing (LO)
O Protection overcurrent detection
O Power Save
O Power relay output
O MASTER ON/OFF
O FL Driver turning off
O INPUT Selector Rotary A
O INPUT Selector Rotary B
O Tone Control Rotary A
For FLASH writing (HI)
O Tone Control Rotary B
O Volume Rotary A
O Volume Rotary B
O VIDEO Selector A
O VIDEO Selector B
O VIDEO Selector C
O OSD input S/Composite change (RX-V559/DSP-AX559 models)
O OSD Enable (RX-V559/DSP-AX559 models)
MODEL distinction 1
O S-Video Signal Detector
O VIDEO Bypass/ conversion change
O Interrupt request of VIDEO DEC/ENC IC (RX-V559/DSP-AX559 models)
O VIDEO Rec Out 1 MUTE
O
I
O VIDEO Mon Out MUTE
O Component Signal Detector (DVD)
O Component Selector 0
O Component Selector 1
O Component Bypass/Conversion change (RX-V559/DSP-AX559 models)
O Component MonOut MUTE
O DC TRIGGER input
O TUNER MUTE
O RDS RxDBG
MCU Power supply +5V for microprocessor
O RDS IC Clock (G model)
O OSD IC Clock (RX-V559/DSP-AX559 models)
MCU Ground for micro-processor
O RDS IC TxD (G model)
O OSD IC TxD (RX-V559/DSP-AX559 models)
O RDS Enable (G model)
O DABIC IC reset (U model)
O PLL IC Clock
O PLL IC TxD
O PLL IC Enable
O PLL IC RxD
O TUNER /ST
O TUNED
O Power Down DETECT INT
O Interrupt MASTER / MAIN / Zone2 Power SW
O Remote Control input
O HEAD PHONE detection
O HEAD PHONE MUTE input
O MUTE Front/Surround, PreOUT
O MUTE Center
O MUTE SW
O Zone 2 MUTER
O Electron volume IC Clock
Function