SKW77 应用参考原理图.pdf
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2020-08-27
14:58:32
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5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
UART
External I2S Module Connector
UART_RX
UART_TX
UART_TX
UART_RX
WPS_PBC
UPHY0_PADP
UPHY0_PADM
RST_PBC
UPHY0_PADM
UPHY0_PADP
UPHY0_PADM
UPHY0_PADP
I2C_SDA_Codec
I2C_SCL_Codec
REFCLK0_OUT
GND
I2SSDO
I2SSDI
I2SWS
I2SSCLK
REF_CLK0_OUT REFCLK0_OUT
I2C_SDA_Codec
I2C_SCL_CodecI2C_SCLK
I2C_SD
I2SSDO
I2SSCLK
I2SWS
I2SSDI
VDD33
VDD33
VDD50
GND
GND
GND
5V_USB
GND
3.3VD
SD_WP
SD_D2
SD_D0
SD_D1
SD_CMD
SD_D3
SD_CD
SD_CLK
LINE4
LINK3
WLAN_LED
LINK2
LINK1
LINK0
P2_TX-
P2_TX+
P2_RX-
P2_RX+
P1_TX-
P1_TX+
P1_RX-
P1_RX+
P0_TX-
P0_TX+
P0_RX-
P0_RX+
WPSLED
Title
Size Document Number Rev
Date: Sheet
of
SKW77_EVB_01_Module
V1.0
SKW77 Reference Schematic
B
14Friday, December 16, 2016
Title
Size Document Number Rev
Date: Sheet
of
SKW77_EVB_01_Module
V1.0
SKW77 Reference Schematic
B
14Friday, December 16, 2016
Title
Size Document Number Rev
Date: Sheet
of
SKW77_EVB_01_Module
V1.0
SKW77 Reference Schematic
B
14Friday, December 16, 2016
R910 0R
1 2
C10
0.1uF
10V
+/-10%
D4
V-PORT/NI
1 2
U1
SKW77
VDD50
52
RX_P2
19
RX_N2
20
TX_P2
21
TX_N2
22
SD_CMD
4
SD_CLK
1
SD_CD
2
GND
9
VDD50
51
USB_DM
25
USB_DP
26
LED/LINE0
47
LED/LINE1
46
RESET
40
I2S_WS
37
GND
29
LED/LINE2
45
LED/LINE3
44
GND
10
LED/WLED
48
UART_TX
31
UART_RX
32
GND
30
LED/LINE4
43
VDD33
28
VDD33
27
GND
23
GND
24
SD_D3
3
SD_D2
5
SD_WP
6
SD_D1
7
SD_D0
8
RX_P1
17
RX_N1
18
TX_P1
15
TX_N1
16
RX_P0
11
RX_N0
12
TX_P0
13
TX_N0
14
I2S_SDI
38
WPS
39
GND
42
GND
50
GND
49
GND
33
GND
34
LED/WPS
41
I2S_CLK
36
I2S_SDO
35
C9
10uF
6.3V
+/-20%
UC1
5pF/NI
12
C976
NI
12
R911 22R
1 2
JP2
HEADER 5X2
2
4
6
8
10
1
3
5
7
9
C7
10uF
6.3V
+/-20%
JP1
HEADER 5X2
2
4
6
8
10
1
3
5
7
9
UC2
5pF/NI
12
C8
0.1uF
10V
+/-10%
SIP4
J1
1
2
3
4
D3
V-PORT/NI
1 2
12
3
4
USB1
C-UBR27-00-00
D-
2
D+
3
G
4
V+
1
CG
5
CG
6
R909 0R
1 2
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