PIN No.
Pin Name
I/O
Function
1,12,23
+VD1
-
Digital Power supply. No2.5v
2,13,24
DGND
-
Digital Ground
3
AUD3
O
SPDIF transmitter output/Digital audio output(N.C)
4
WR
I
Host write strobe pin(connected to GND with an external resistor)
5
RD
I
Host parallel output enable pin(pulled up with an external resistor)
6 CS_DA I SPI Serial data input pin
7
CS_CK
I
Serial control clock input pin
8
EMAD7
I/O
9
EMAD6
I/O
10
EMAD5
I/O
11
EMAD4
I/O
Serial data IN/OUTPUT pins(pulled up with an external resistor)
14
EMAD3
I/O
15
EMAD2
I/O
16
EMAD1
I/O
17
EMAD0
I/O
18
CS_CE
I
Host parallel chip select pin
19
SCDIO(AK_DOUT)
O
Serial control port data ouput pin
20
INTREQ
O
Control port interrupt request output pin
21
EXTMEM
I/O
External Memory Chip Selector(pulled up with an external resistor)
22
SDATAN1(SDI)
I
PCM audio data input number 1 pin
25
SCLKN1(BICK)
I
PCM audio input bit clock pin
26
LRCLKN1(LRCK)
I
PCM audio input sample rate clock pin
27
CMPDAT(SDI)
I
PCM audio data input number 2 pin
28
CMPCLK(BICK)
I
PCM audio input bit clock pin
29
CREQ(LRCK)
I
PCM audio input sample rate clock pin
30
CLKIN(XIN)
I
Master clock input(used external clock)
31
CLKSEL(GND)
I
DSP clock mode select pin: connect the GND
32
FILT1
Connects to an external filter for the on-chip phase-locked loop
33
FILT1
Connects to an external filter for the on-chip phase-locked loop
34
+2.5V
-
Analog Power supply for clock generator . No2.5V
35
AGND
-
Analog ground supply for clock generator PLL.
36
RESET(CS_RST)
I
Master reset input pin
37
DBDATA
-
Reserved pin and should be pulled up with an external resistor.
38
DBCLK
-
Reserved pin and should be pulled up with an external resistor.
39
AUD2(SDO2)
O
PCM multi-format digital-audio data ouput2 pin
40
AUD1(SDO1)
O
PCM multi-format digital-audio data ouput1 pin
41
AUD0(SDO0)
O
PCM multi-format digital-audio data ouput0 pin
42
LRCLK
I
Audio output sample rate clock pin
43
SCLK(BICK)
I
Audio ouput bit clock pin
44
MCLK
I
Audio master clock output pin
AUDIO DSP (CS493263 - CLG : IC75)
AVR235
harman/kardon
81
Содержание AVR 235
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