111
1
2
3
4
1
2
3
4
C
D
F
A
B
E
XV-DV303
No.
Pin Name
I/O
Pin Function
36
IREF_YC
IN
YCC DAC electric current reference
37
VDD_2V5
−
2.5 V Power supply
38
VSS
−
Ground
39
XAMUTE2
OUT
In case of NOT Karaoke model,
this port is N.C.(output).
Karaoke model
Before MIC mixing stage audio muteing output 'L'.
40
MIC_XON1
OUT
In case of NOT Karaoke model,
this port is N.C.(output).
Karaoke model
MIC mixing chanel control output.
41
MIC_XON2
OUT
In case of NOT Karaoke model,
this port is N.C.(output).
OUT
MIC_ON2 : MIC_ON1 : mode
0
0
: Don't use.
0
1
: Mix to Center Speaker
1
0
: Mix to main L/R channel
1
1
: OFF
42
TP-x
OUT
Reserved
43
CLAMP
OUT
In case of NOT carusel 5 disc changer,
this port is N.C.(output)
IN
Carousel 5 Disc Chenger only.
'H' show disc clampe complete postion.
44
XUNCLAMP
OUT
In case of NOT carusel 5 disc changer,
this port is N.C.(output)
IN
Carousel 5 Disc Chenger only.
'H' show disc un-clampe complete postion.
45
KDSP_RST
OUT
Reserved
46
44X48
OUT
In case of NOT Karaoke model,
this port is N.C.(output)
Karaoke model
KARAOKE-DSP master clock 1/2 mode 'L'.
47
VDD3V3
−
3.3 V Power supply
48
VDD_PCM
−
2.5 V Power supply
49
VSS_PCM
−
Ground
50
VSS
−
Ground
51
A_BCK
OUT
Audio DAC clock
52
A_DATA0
OUT
Audio DAC Front L,R data
53
A_DATA1
OUT
Audio DAC Center, LFE data
54
A_DATA2
OUT
Audio DAC Surround L,R data
55
A_MCLK
OUT
Audio DAC Master clock
56
A_LRCK
OUT
Audio DAC L/R clock
57
DOUT
OUT
S/PDIF(IEC60958) digital audio output.
58
SMI_A4
OUT
SMI SDRAM addresss
59
SMI_A5
60
SMI_A6
61
SMI_A7
62
SMI_A8
63
SMI_A9
64
VDD_2V4
−
2.5 V Power supply
