Pioneer VSX-52TX Service Manual - Page 134

Pin Name, Pin Function, Active

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1 2 3 No. Pin Name 46 PIINT A 47 RESET 48 MODO 49 MODC 50 MODB 51 MODA 52 VDDCO 53 GNDCO 54 MUTE 55 PE10 56 PE9 B 57 PE8 58 SDI1_1 59 SDI0_1 60 FST_1 61 PE1 62 SCKT_1 63 PE0 64 VDDIO 65 GNDIO 66 PE5 67 PE2 C 68 GNDCO 69 PD1 70 PD0 71 VDDCO 72 PC2 73 HCKT 74 GNDIO 75 VDDIO 76 SCKR 77 SCKT 78 FSR D 79 FST 80 SDIO I/O Pin Function I PLL initial pin I Reset I Mode select D I Mode select C I Mode select B I Mode select A − Core power supply (1.25V) − Core GND O DSP MUTE output O General-purpose port O General-purpose port O General-purpose port I Digital audio data (Center/Subwoofer) I Digital audio data (Ancillary data) I Digital audio LR clock I General-purpose port: External serial ROM data input I Digital audio bit clock O General-purpose port: Exterenal serial ROM chip select − Interface power supply (3.3V) − Interface GND O General-purpose port: Exterenal serial ROM clock O General-purpose port: Exterenal serial ROM data output − Core GND O General-purpose port: DSP master/slave switch or 96DTS O General-purpose port: BUSY − Core power supply (1.25V) O General-purpose port I Digital audio master clock − Interface GND − Interface power supply (3.3V) I Digital audio Bit clock I/O Digital audio Bit clock I Digital audio Bit clock I/O Digital audio Bit clock I Digital audio data (Surround L/R) E 4 Active L L L H H F 134 VSX-52TX 1 2 3 4

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VSX-52TX
134
1
2
3
4
1
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3
4
C
D
F
A
B
E
No.
Pin Name
I/O
Pin Function
Active
46
PIINT
I
PLL initial pin
47
RESET
I
Reset
48
MODO
I
Mode select D
49
MODC
I
Mode select C
50
MODB
I
Mode select B
51
MODA
I
Mode select A
52
VDDCO
−
Core power supply (1.25V)
53
GNDCO
−
Core GND
54
MUTE
O
DSP MUTE output
55
PE10
O
General-purpose port
56
PE9
O
General-purpose port
57
PE8
O
General-purpose port
58
SDI1_1
I
Digital audio data (Center/Subwoofer)
L
59
SDI0_1
I
Digital audio data (Ancillary data)
60
FST_1
I
Digital audio LR clock
L
61
PE1
I
General-purpose port: External serial ROM data input
62
SCKT_1
I
Digital audio bit clock
L
63
PE0
O
General-purpose port: Exterenal serial ROM chip select
64
VDDIO
−
Interface power supply (3.3V)
65
GNDIO
−
Interface GND
66
PE5
O
General-purpose port: Exterenal serial ROM clock
67
PE2
O
General-purpose port: Exterenal serial ROM data output
68
GNDCO
−
Core GND
69
PD1
O
General-purpose port: DSP master/slave switch or 96DTS
70
PD0
O
General-purpose port: BUSY
71
VDDCO
−
Core power supply (1.25V)
72
PC2
O
General-purpose port
73
HCKT
I
Digital audio master clock
74
GNDIO
−
Interface GND
H
H
75
VDDIO
−
Interface power supply (3.3V)
76
SCKR
I
Digital audio Bit clock
77
SCKT
I/O
Digital audio Bit clock
78
FSR
I
Digital audio Bit clock
79
FST
I/O
Digital audio Bit clock
80
SDIO
I
Digital audio data (Surround L/R)