Yamaha RX-V750 Service Manual page 58

RX-V750/DSP-AX750/DSP-AX750SE
RX-V650/HTR-5760
IC502 : M30622MHP-161FP (FUNCTION P.C.B.)
16 bit µ-COM (CPU)
P07/D7
81
P06/D6 82
P05/D5 83
P04/D4 84
P03/D3
85
P02/D2 86
P01/D1 87
P00/D0 88
P107/AN7/K13
89
P106/AN6/K12 90
P105/AN5/K11 91
P104/AN4/K10 92
P103/AN3
93
P102/AN2 94
P101/AN1 95
AVSS 96
P100/AN0
97
VREF 98
AVCC 99
P97/ADTRG/SIN4 100
No. Port Name I/O Function
1 SOUT4 DTFD SO FL Driver TxD
2 CLK4 CKFD SCK FL Driver CLOCK
3 DA1 LC1 DA Power limiter control
4 DA0 FAN DA FAN control
5 SOUT3 SDM SO YSS TxD
6 SIN3 SDD SI YSS RxD
7 CLK3 SCK SCK YSS CLOCK
8 BYTE BYTE Vss Vss: when single chip mode is used
9 CNVss CNVss Vss/Vcc Vss: when single chip mode is used, Vcc: when flash writing is used
10 P87 /CSY O YSS CE
11 P86 /ICY O YSS RESET
12 RESET RESET I Reset
13 Xout Xout Oscillator Out
14 Vss Vss Vss u-COM Ground
15 Xin Xin 16MHz Oscillator In
16 Vcc Vcc Vcc(BU) u-COM Power Supply, +5V
17 NMI NMI Vcc(BU) Connect to Vcc because it is unused.
18 INT2 INTADM INT
19 INT1 INTDIR INT
20 INT0 VSY INT Vertical Synchronize Detect
21 P81 /CSDIR O DIR CS
22 P80 /CSADM O ADM CS
23 P77 /CSDAC O DAC CS
24 P76 /ICDIR O DIR RESET
25 P75 /ICADM O ADM RESET
26 P74 VBIT I
27 P73 /CEEEP O EEPROM CE
28 CLK2 CKEV SCK Electronic Volume IC Clock
29 P71 CEEV O Electronic Volume IC Enable
30 TXD2 DTEV SO Electronic Volume IC Data
31 TXD1 TXDF SO Flash ROM TxD / Selector IC Data
32 RXD1 RXDF SI Flash ROM RxD
33 CLK1 CLKF SCK Flash ROM Clock / selector IC Clock
34 P64 BSY O Flash BUSY Signal Output
58
IC502 : M30622MHP-161FP (FUNCTION P.C.B.)
16 bit µ-COM (CPU)
No.
35
36
37
38
39
P44/CS0
50
40
49 P45/CS1
41
48 P46/CS2
47 P47/CS3
42
P50/WRL/WR
46
43
45 P51/WRH/BHE
44
44 P52/RD
43 P53/BCLK
45
P54/HLDA
42
46
41 P55/HOLD
47
40 P56/ALE
39 P57/RDY/CLKOUT
48
P60/CTS0/RTS0
38
49
37 P61/CLK0
50
36 P62/RXD0
35 P63/TXD0
51
P64/CTS1/RTS1/CTS0/CLKS1
34
52
33 P65/CLK1
53
32 P66/RXD1
31 P67/TXD1
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
Port Name I/O Function
TXD0 SDTN SO RDS/OSD / S/P Conversion IC TxD
RXD0 SDRN SI/(IPU) RDS RxD / FREQ SW(Dest R)
CLK0 SCKN SCK RDS/OSD / S/P Conversion IC Clock
P60 ICEV O Electronic Volume Reset
P57 /HP I(IPU) HEAD PHONE Detect
P56 /MTHP O HEAD PHONE Mute Output
/EMP GND For Flash Writing (LO)
P54 /MTCT O MUTE Center
P53 /MTSW O MUTE SW
P52 /MTZ2 O/I Zone 2 MUTE / ZONE2 Present/Absent Discriminate
P51 /MTFS O MUTE Front/Surround , Pre OUT
/CE I For Flash Writing (HI)
P47 CKZ2 SCK Zone2 Selector Clock
P46 DTZ2 SO Zone2 Selector DATA
P45 CESEL O Selector IC Enable
P44 CKBD SCK BD3841 Clock
P43 DTBD SO BD3841 DATA
P42 CKCV SCK VIDEO Conversion Clock
P41 DTCV SO VIDEO Conversion DATA
P40 CPNTD I Component Signal Detector (DVD)
P37 CPNTT I Component Signal Detector (D-TV)
P36 SVIDD I S-Video Signal Detector
P35 CEB O S/P Conversion Enable
P34 CES O/I OSD Enable/N_P Format
P33 RDSE O/I RDS Enable, RDS Present/Absent
P32 CEP O/I PLL IC Enable / Destination Discriminate 1
P31 SDTP SO PLL IC TxD/ TUNER Present/Absent (SE) Discriminat
Vcc Vcc Vcc(BU) u-COM power supply, +5V
P30 SCKP O/I PLL IC Clock / Destination Discriminate 0
Vss Vss Vss u-COM Ground
P27 SDRP I(IPU) PLL IC RxD
P26 TMT O TUNER MUTE
P25 TUNED I(IPU) TUNED
P24 /ST I(IPU) TUNER /ST
P23 PRY O Power Relay Output
P22 SBRY O Surround Back SP Relay Output
P21 ERY O Surround SP Relay Output
P20 MBRY O Front B SP Relay Output
INT5 PDET INT Power Down DETECT INT
INT4 PSW INT Standby SW INPUT
INT3 REM INT Remote Control Input
P14 MARY O Front A SP Relay Output
P13 Z2RY O Zone 2 Relay Output
P12 /4ohm O IMPEDANCE Control
P11 8/4 I IMPEDANCE Select SW Detect
P10 PRI I Protection Excess-current Detect
P07 PSV O Power Save
P06 /PURD O Pure Direct LED/DSP&VIDEO PowerOFF
P05 /BLK O FL Driver Light Off
P04 ISA I(IPU) INPUT SEL. Rotaly A
P03 ISB I(IPU) INPUT SEL. Rotaly B
P02 TONEA I(IPU) Tone Con. Rotaly A
P01 TONEB I(IPU) Tone Con. Rotaly B
P00 VRA I(IPU) Volume Rotaly A
P107 VRB I(IPU) Volume Rotaly B
AN6 PRV AD Protection Power Supply Voltage Detect
AN5 PRD AD Protection DC Detect
AN4 PLDET AD POWER LIMITTER DETECT
AN3 THM AD Temperature Detect
AN2 ADKEY0 AD Key AD Input 0
AN1 ADKEY1 AD Key AD Input 1
Avss Avss Vss AD Ground
AN0 MODEL AD Model Discriminate
Vref Vref (+5v) AD Reference
Avcc Avcc Vcc(BU) AD Power Supply
P97 CEFD O FL Driver CE