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声卡的针脚定义找到了,问题是该接哪两个??
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从左到右往下数分别为
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3 4
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7 87 k9 U g% ^8 M' z+ m: `
..............* P3 @7 K0 d; ~ W
37 38
d/ e* w# G! }- K; g: @39 40 ! o3 H7 h! B; c v" F1 M
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1 VCC +5V power supply9 Y1 U! Q3 |6 ?' ]
2 VCC +5V power supply
: w+ \+ B9 Z! G6 {5 U/ I2 m1 a3 GND Ground. o: k3 X2 F9 h J% ?
4 AC97CLK 24.5 MHz clock output
1 L0 i. d) ]8 s/ t: B" |' N" E' i5 GND Ground! f5 J$ w0 |$ ]5 ?% X; G' S
6 GP_SPDIFIN#2 SPDIF input signal( U, @1 I; u6 i$ p4 x* q# C6 b0 K _
7 GND Ground
1 q* Q$ Y: e$ o8 P: f8 GND Ground+ P, O/ f5 s8 {/ q
9 SPDIFO#3 SPDIF Out signal
2 ^, c6 T( ]" \10 GPO1 General Purpose Output #1
6 f5 [7 P* E0 p11 GPO2 General Purpose Output #2
2 t) }6 C. `+ b4 k" Y$ J12 GND Ground
! {! {2 V% A4 ?13 GPO0 General Purpose Output #0
' |/ g, ]' Q1 ~, ~14 GND Ground1 I! r* G3 b/ j$ T+ S
15 GP_SPDIFIN1 SPDIF Input signal
" p" T; Y0 U2 y9 o0 P16 GND Ground4 R' w: ?5 F& f+ o
17 SPDIFO#0 SPDIF Out signal+ ^5 ^- P/ _; A
" K @# i) ?' V7 C5 b( Y! E& J18 GND Ground
- m6 [4 N7 {8 G- D. u" u8 _, X19 SPDIFO#1 SPDIF Out signal: j' _# m2 R$ j+ S% Z& @
20 GND Ground
1 E& Y) g6 J1 t7 y* h; D0 `21 GND Ground
: [4 [6 |0 A( N3 x" ^6 g- v* n22 SPDIFO#2 SPDIF Out signal
4 u8 L1 {4 x: n' X9 _23 GPI0 Digital Input (GP Input 0; Reserved)' W8 _% z9 F: o
24 GPI1 Digital Input, (GP Input 1; Reserved)
1 Q: K6 ]$ k, O0 x5 O* l& ]1 d25 OUTMIDI MIDI Output: d5 T G- I5 m# W# u' W
26 GND Ground
. L& |0 Y5 q$ i8 K/ Q; i27 INMIDI MIDI Input$ s! [) i0 ]& [" N
28 GND Ground9 n4 V' Q8 V5 Q i
29 KEY! ~; L/ x: I4 d+ H+ B3 Q \- H
30 KEY
0 p4 ^" _% w5 V( t7 ^9 C6 O31 ADCSDO2 I2S audio data input.* N& y( w: x+ k9 J. ^
32 GND Ground. O' O4 O3 e# }4 a
33 ADCSDO1 I2S audio data input.' b) W, q3 @7 c& S; @
34 GND Ground1 T: }* j) ~% J4 D" {* b/ V+ V
35 ADCSDO0 I2S audio data input." a( Q. A1 q! o/ f4 x) l6 u
36 GND Ground
1 I1 k2 b6 J' [7 k* {7 g8 G37 I2SCLK I2S serial bit clock.
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38 GND Ground# f0 ^. Y! i! U" {& O1 k: R
39 I2SFS Frame sync.6 o. F% \! c6 p! [
40 GND Ground |
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