Pioneer VSX-84TXSi Service Manual page 290

1
PEG116A (DIGITAL MOTHER ASSY : IC101)
• Main Microcomputer
A
Pin Arrangement (Top view)
Vref(5V) 1
VREF
B
Avcc(5V) 2
AVcc
HDMI/DSP DO 3
P97/ADTRG/SIN4
HDMI/DSP DI 4
P96/ANEX1/SOUT4
HDMI/DSP CLK 5
P95/ANEX0/CLK4
HDMI RDY 6
P94/DA1/TB4IN
HDMI RST 7
P93/DA0/TB3IN
1394 DI 8
P92/TB2IN/SOUT3
1394 DO 9 P91/TB1IN/SIN3
1394 CLK 10 P90/TB0IN/CLK3
SB MUTE 11 P141
1394 RST 12 P140
C
L:16 bit width 13 BYTE
Vss (exp. mode) 14 CNVss
15
DSP RDY P87/XCIN
16
DSP RST P86/XCOUT
17
RESET RESET
18
Xout XOUT
19
Vss(GND) Vss
Xin 20
XIN
Vcc1(5V) 21
Vcc1
NMI 22
P85/NMI
WAKEUP (AC PULSE) 23
P84/INT2
1394 INT(RDY) 24
P83/INT1
D
1W WAKEUP 25
P82/INT0
RDS CK/XM
26
P81/TA4IN/U
LOW SPEED
RDS DT/LINK
27
P80/TA4OUT/U
ACTIVE(XM)
28 P77/TA3IN
OL DET
POFFINFO 29
P76/TA3OUT
DISP REQ 30
P75/TA2IN/W
DISP RDY 31
P74/TA2OUT/W
DISP RST 32
P73/CTS2/RTS2/TA1IN/V
DISP CLK 33
P72/CLK2/TA1OUT/V
DISP DO 34 P71/RxD2/SCL2/TA0IN/TB5IN
DISP DI 35 P70/TXD2/SDA2/TA0OUT
E
232C TxD 36 P67/TXD1/SDA1
Vcc1(5V) 37 Vcc1
P66/RxD1/
232C RxD 38
SCL1
F
244
1
2
VSX-74TXVi
2
3
P11/D9
P12/D10
P13/D11
P14/D12
P15/D13/INT3
P16/D14/INT4
P17/D15/INT5
P20/AN20/A0(/D0/_)
P21/AN21/A1(/D1/D0)
P22/AN22/A2(/D2/D1)
P23/AN23/A3(/D3/D2)
P24/AN24/A4(/D4/D3)
P25/AN25/A5(/D5/D4)
P26/AN26/A6(/D6/D5)
P27/AN27/A7(/D7/D6)
P30/A8(/_/D7)
P31/A9
P32/A10
P33/A11
P34/A12
P35/A13
P36/A14
P37/A15
P40/A16
P41/A17
P42/A18
P43/A19
P44/CS0
P45/CS1
P46/CS2
P47/CS3
3
4
102
D9
101
D10
100
D11
99
D12
98
D13
97
D14
96
D15
95
OPEN
94 A1
93 A2
92 A3
91 A4
90 A5
89 A6
88
A7
87
Vss Vss(GND)
86
A8
85
Vcc2 Vcc2(5V)
84
P120 AC1 RELAY
P121 83
RY HP
P122 82
RY A
P123 81
RY B
P124 80
RY C/R
79
A9
78
A10
77
A11
76
A12
75
A13
74
A14
73
A15
72
A16
71
A17
70
A18
69 OPEN
68 CS0
67 EVOL CK
66 CS2
65 EVOL DT2
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