17
AVR-2801/981
1
2
34
56
7
8
9
10
11
33
32
31
30
29
282726252423
34
35
36
37
38
39
40
41
42
43
44
17
16
15
14
13
12
18 19 20 21 22
A1,SCDIN
RD,R/W,EMOE,GPIO11
WR,DS,EMWR,GPIO10
XMT958
DGND1
VD1
MCLK
SCLK
LRCLK
AUDATA0
AUDATA1
AUDATA2
DC
DD
RESET
AGND
VA
FILT1
FILT2
CLKSEL
CLKIN
CMPREQ,LRCLKN2
CS
SCDIO,SCDOUT,PSEL,GPIO9
ABOOT,INTREQ
EXTMEM,GPIO8
SDATAN1
VD3
DGND3
SCLKN1,STCCLK2
LRCLKN1
CMPDAT,SDATAN2
CMPCLK,SCLKN2
A0,SCCLK
DATA7,EMAD7,GPIO7
DATA6,EMAD6,GPIO6
DATA5,EMAD5,GPIO5
DATA4,EMAD4,GPIO4
VD2
DGND2
DATA3,EMAD3,GPIO3
DATA2,EMAD2,GPIO2
DATA1,EMAD1,GPIO1
DATA0,EMAD0,GPIO0
1 VD1 Digital positive supply
2 DGND1 Digital supply ground
3 XMT958 SPDIF transmitter output
4 WR, DS, EMWR, GPIO10
Host write strobe or host data strobe or external memory write enable or general purpose input & output number10
5 RD, R/W, EMOE, GPIO11 Host parallel output enable or host parallel R/W or external memory outout enable or general
purpose input & output number11
6 A1, SCDIN Host adddress bit one or SPI serial control data input
7 A0, SCCLK Host parallel address bit zero or serial control port clock
8 DATA7, EMAD7, GPIO7
9 DATA6, EMAD6, GPIO6
10 DATA5, EMAD5, GPIO5
11 DATA4, EMAD4, GPIO4
12 VD2 Digital positive supply
13 DGND2 Digital supply ground
14 DATA3, EMAD3, GPIO3
15 DATA2, EMAD2, GPIO2
16 DATA1, EMAD1, GPIO1
17 DATA0, EMAD0, GPIO0
18 CS Host parallel chip select, host serial SPI chip select
19
SCDIO, SCDOUT, PSEL, GPIO9
Serial control port data input and output, parallel port type select
20 INTREQ, ABOOT Control port interrupt request, automatic boot enable
21 EXTMEM, GPIO8 External memory chip select or general purpose input & output number 8
22 SDATAN1 PCM audio data input number one
23 VD3 Digital positive supply
24 DGND3 Digital supply ground
25 SCLKN1, STCCLK2 PCM audio input bit clock
26 LRCLKN1 PCM audio input sample rate clock
27 CMPDAT, SDATAN2 PCM audio data input number two
28 CMPCLK, SCLKN2 PCM audio input bit clock
29 CMPREQ, LRCLKN2 PCM audio input sample rate clock
30 CLKIN Master clock input
31 CLKSEL DSP clock select
32 FILT2 Phase locked loop filter
33 FILT1 Phase-locked loop filter
34 VA Analog positive supply
35 AGND Analog supply ground
36 RESET Master reset input
37 DD Reserved
38 DC Reserved
39 AUDATA2 Digital audio output 2
40 AUDATA1 Digital audio output 1
41 AUDATA0 Digital audio output 0
42 LRCLK Audio output sample rate clock
43 SCLK Audio output bit clock
44 MCLK Audio master clock
CS492604-CLR
(AU: IC814)
Pin Name
Function
CS492604-CLR Terminal Function
Pin
No.
w
w
w
.
x
i
a
o
y
u
1
6
3
.
c
o
m
Q
Q
3
7
6
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
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