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1
2
2
3
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D D
C C
B B
A A
Title:
Author:
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Revision:
File:
Version:
STM32F407 EXPLORER_AUDIOÐNET
2015/7/8
V2.0
ATOM@ALIENTEK SheetSize
AUDIOÐNET.SchDoc
Version
I2S_LRCK
I2S_MCLK
I2S_SCLK
I2S_SDIN
I2S_SDOUT
IIC_SCL
IIC_SDA
AGND
C5
104
C3
10uF 1
2
3
PHONE
PHONE
1
2
3
LINE_IN
LINE_IN
AGND
AGND
R11
12.1K
GND
TD+
1
TD-
2
RD+
3
TCT
4
RCT
5
RD-
6
NC
7
CHS GND
8
LED(G)_A
9
LED(G)_K
10
LED(Y)_K
11
LED(Y)_A
12
SHILED
13
SHILED
14
EARTHNET
RJ45
GND
R3
49.9R
TPTX+
TPTX-
TPRX-
TPRX+
R4
49.9RR5
49.9RR6
49.9R
C29
223
R8
10K
R9 10K
LINK_LED
SPEED_LED
LINK_LED
R18
510R
R19
510R
TPTX+
TPTX-
TPRX-
TPRX+
GND
C11
104
GND
RMII_TX_EN
RMII_TXD0
RMII_TXD1
VCC3.3
RMII_RXD0
RMII_RXD1
RMII_CRS_DV
ETH_MDC
ETH_MDIO
ETH_RESET
R20
4.7K
C34
102
R21
47K
C35
101
PWM_DAC
GND
1
2
P2
Header 2
PWM_AUDIO
PWM_AUDIO
R17
0R
AGNDGND
PWM DAC/AUDIO
I2S DAC&ADCEARTHNET
C12
10uF
AGND
VDD2A
1
LED2/nINTSEL
2
LED1/REGOFF
3
XTAL2
4
XTAL1/CLKIN
5
VDDCR
6
RXD1/MODE1
7
RXD0/MODE0
8
VDDIO
9
RXER/PHYAD0
10
CSR_DV/MODE2
11
MDIO
12
MDC
13
nINT/REFCLKO
14
nRST
15
TXEN
16
TXD0
17
TXD1
18
VDD1A
19
TXN
20
TXP
21
RXN
22
RXP
23
RBIAS
24
GND
25
U1
LAN8720A
RMII_REF_CLK
1 2
Y1
25MHz
VCC3.3EL1
220R,2.0A,0.05DCR
C28
10uF
GND
C13
104
C14
104
C15
104
VCC3.3E
VCC3.3E
VCC3.3
GND
R12
1M
C22
22
C23
22
GND
C33
10
C32
10
C31
10
C30
10
VCC3.3E
VCC3.3E
SPEED_LED
R1
0R
C4
220uF
C6
220uF
1
2
P1
SPEAKER
C9
1uFC10
1uF
C24
10uF
C17
1uF
C16
1uF
R14
680R
C25
10uF
R16
47K
C26
221
R13
0R
C21
104
C20
104
VCC5
GND
VCC3.3
R7
10R
C8
10uF
C7
104
LIP
1
LIN
2
L2/GPIO2
3
RIP
4
RIN
5
R2/GPIO3
6
LRC
7
BCLK
8
ADCDAT
9
DACDAT
10
MCLK
11
DGND
12
DCVDD
13
DBVDD
14
CSB/GPIO1
15
SCLK
16
SDIN
17
MODE
18
AUXL
19
AUXR
20
OUT4
21
OUT3
22
ROUT2
23
SPKGND
24
LOUT2
25
SPKVDD
26
VMID
27
AGND
28
ROUT1
29
LOUT1
30
AVDD
31
MICBIAS
32
GNDPAD
33
U2
WM8978
GND
C2
10uF
AGND
VCC3.3A
R15
10K
GND
C27
104
GND
C1
104
R2
510R
C19
1uF
C18
1uF
R10
10K
GND
SP+
SPK+
SP-
SPK-
1
2
MIC
MIC
LAN8720的第25脚，即芯片正下方的焊盘，作为LAN8720的GND
脚连接电源的GND即可。
SPK+和SPK-连接开发板自带的喇叭，在开发板底部。
PIC101
PIC102
COC1
PIC201
PIC202
COC2
PIC301PIC302
COC3
PIC401
PIC402
COC4
PIC501PIC502
COC5
PIC601
PIC602
COC6
PIC701
PIC702
COC7
PIC801
PIC802
COC8
PIC901 PIC902
COC9
PIC1001 PIC1002
COC10
PIC1101
PIC1102
COC11
PIC1201
PIC1202
COC12
PIC1301
PIC1302
COC13
PIC1401
PIC1402
COC14
PIC1501
PIC1502
COC15
PIC1601 PIC1602
COC16
PIC1701 PIC1702
COC17
PIC1801 PIC1802
COC18
PIC1901 PIC1902
COC19
PIC2001PIC2002
COC20
PIC2101PIC2102
COC21
PIC2201
PIC2202
COC22
PIC2301
PIC2302
COC23
PIC2401
PIC2402
COC24
PIC2501
PIC2502
COC25
PIC2601
PIC2602
COC26
PIC2701
PIC2702
COC27
PIC2801
PIC2802
COC28
PIC2901
PIC2902
COC29
PIC3001
PIC3002
COC30
PIC3101
PIC3102
COC31
PIC3201
PIC3202
COC32
PIC3301
PIC3302
COC33
PIC3401
PIC3402
COC34
PIC3501
PIC3502
COC35
PIEARTHNET01
PIEARTHNET02
PIEARTHNET03
PIEARTHNET04
PIEARTHNET05
PIEARTHNET06
PIEARTHNET07
PIEARTHNET08
PIEARTHNET09
PIEARTHNET010
PIEARTHNET011
PIEARTHNET012
PIEARTHNET013
PIEARTHNET014
COEARTHNET
PIL101
PIL102
COL1
PILINE0IN01
PILINE0IN02
PILINE0IN03
COLINE0IN
PIMIC01
PIMIC02
COMIC
PIP101
PIP102
COP1
PIP201
PIP202
COP2
PIPHONE01
PIPHONE02
PIPHONE03
COPHONE
PIR101
PIR102
COR1
PIR201PIR202
COR2
PIR301PIR302
COR3
PIR401PIR402
COR4
PIR501PIR502
COR5
PIR601PIR602
COR6
PIR701 PIR702
COR7
PIR801PIR802
COR8
PIR901PIR902
COR9
PIR1001 PIR1002
COR10
PIR1101
PIR1102
COR11
PIR1201PIR1202
COR12
PIR1301
PIR1302
COR13
PIR1401 PIR1402
COR14
PIR1501
PIR1502
COR15
PIR1601
PIR1602
COR16
PIR1701PIR1702
COR17
PIR1801
PIR1802
COR18
PIR1901
PIR1902
COR19
PIR2001PIR2002
COR20
PIR2101PIR2102
COR21
PISP001
COSP0
PISP001
PIU101
PIU102
PIU103
PIU104
PIU105
PIU106
PIU107
PIU108
PIU109
PIU1010
PIU1011
PIU1012
PIU1013
PIU1014
PIU1015
PIU1016
PIU1017
PIU1018
PIU1019
PIU1020
PIU1021
PIU1022
PIU1023
PIU1024
PIU1025
COU1
PIU201
PIU202
PIU203
PIU204
PIU205
PIU206
PIU207
PIU208
PIU209
PIU2010
PIU2011
PIU2012
PIU2013
PIU2014
PIU2015
PIU2016
PIU2017
PIU2018
PIU2019
PIU2020
PIU2021
PIU2022
PIU2023
PIU2024
PIU2025
PIU2026
PIU2027
PIU2028
PIU2029
PIU2030
PIU2031
PIU2032
PIU2033
COU2
PIY101
PIY102
COY1
PIC102
PIC202
PIC2402 PIC2501 PIC2601
PILINE0IN03
PIPHONE03
PIR1301
PIR1601
PIR1701
PIU2028
PIU1013
NLETH0MDC
PIR202
NLETH0MDIO
PIR1002
PIU1015
NLETH0RESET
PIC302
PIC502
PIC702 PIC802
PIC1102
PIC1201
PIC1302 PIC1402
PIC1502
PIC2202 PIC2302
PIC2702
PIC2802
PIC2902
PIC3002
PIC3102
PIC3202 PIC3302
PIC3401
PIC3501
PIEARTHNET08
PIEARTHNET013
PIEARTHNET014
PIR801
PIR901
PIR1001
PIR1102
PIR1502
PIR1702
PIR1802
PIR1902
PIU1025
PIU2012
PIU2024
PIU2033
PIU207
NLI2S0LRCK
PIU2011
NLI2S0MCLK
PIU208
NLI2S0SCLK
PIU2010
NLI2S0SDIN
PIU209
NLI2S0SDOUT
PIU2016
NLIIC0SCL
PIU2017
NLIIC0SDA
PIEARTHNET012
PIR802
PIU103
NLLINK0LED
PIU2022
PIU2021
PIU2015
PIU1010
PIR1501
PIU2018
PIR1101
PIU1024
PIR201
PIU1012
PIP102
PISP001
PIU2025
PIP101
PISP001
PIU2023
PIEARTHNET011
PIR1901
PIEARTHNET010
PIR1801
PIEARTHNET07
PIC3502
PIP201
PIR2101
PIC3402
PIR2001 PIR2102
PIC2502
PIR1401
PIU2032
PIC2401
PIU2027
PIC2301
PIR1201
PIU105
PIY102
PIC2201
PIR1202
PIU104
PIY101
PIC2102
PIU2020
PIC2002
PIU2019
PIC1901
PIU205
PIC1801
PIU204
PIC1702
PIC1902
PIMIC02
PIR1302
PIC1701
PIU202
PIC1602
PIC1802
PIC2602
PIMIC01
PIR1402
PIR1602
PIC1601
PIU201
PIC1101
PIC1202
PIU106
PIC1002
PILINE0IN01
PIC1001
PIU206
PIC902
PILINE0IN02
PIC901
PIU203
PIC701 PIC801
PIR702
PIU2013
PIU2014
PIC602
PIPHONE02
PIC601
PIU2030
PIC402
PIPHONE01
PIC401
PIU2029
PIC301
PIC501
PIR102
PIU2026
PIC2001
PIC2101
PIP202
NLPWM0AUDIO
PIR2002
NLPWM0DAC
PIU1011
NLRMII0CRS0DV
PIU1014
NLRMII0REF0CLK
PIU108
NLRMII0RXD0
PIU107
NLRMII0RXD1
PIU1016
NLRMII0TX0EN
PIU1017
NLRMII0TXD0
PIU1018
NLRMII0TXD1
PIEARTHNET09
PIR902
PIU102
NLSPEED0LED
PIC3201
PIEARTHNET03
PIR502
PIU1023
NLTPRX0
PIC3301
PIEARTHNET06
PIR602
PIU1022
NLTPRX0
PIC3001
PIEARTHNET01
PIR302
PIU1021
NLTPTX0
PIC3101
PIEARTHNET02
PIR402
PIU1020
NLTPTX0
PIC1301
PIC2701
PIL102
PIR701
PIU109
NLVCC303
PIC101
PIC201
PIU2031
PIC1401
PIC1501
PIC2801
PIC2901
PIEARTHNET04
PIEARTHNET05
PIL101
PIR301
PIR401
PIR501
PIR601
PIU101
PIU1019
NLVCC303E
PIR101
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