Rainbow Electronics USB-A9G20-C11 User Manual
Page 4
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
A
A
B
B
C
C
D
D
E
E
F
F
ACT
PA20
PA17
PA16
PA12
PA13
PA14
PA15
PA18
LINK
PA19
SPEED
PA31
PA21
+3V3
+3V3
+3V3
+3V3
+3V3
+3V3
+3V3
+3V3
+3V3
+3V3
+3V3
+3V3
+3V3
+3V3
+3V3
+3V3
+3V3
+3V3
+3V3
NRST
2,5
PA[0..31]
2,3,5
Scale :
Sheet Size :
Folio :
Product :
Document Number :
Title :
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Rev
Date
Revision History
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Scale :
Sheet Size :
Folio :
Product :
Document Number :
Title :
www.calao-systems.com
Rev
Date
Revision History
Drawn
Approuved
This drawing may not be reproduced without CALAO Systems prior written consent
Scale :
Sheet Size :
Folio :
Product :
Document Number :
Title :
www.calao-systems.com
Rev
Date
Revision History
Drawn
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This drawing may not be reproduced without CALAO Systems prior written consent
ETHERNET
RMII Interface
Place capacitors and resistors
close to DP83848
Place capacitors and resistors
close to DP83848
Place capacitor close to
the transformer center tap
Place capacitor close to
the transformer center tap
Orange
A01
29/08/08
Initial
SD
GH
N/A
A3
4/5
USB-A9G20
SCH-00005-A01
ETHERNET
C66
100nF
C66
100nF
C68
100nF
C68
100nF
R47 2K2
R47 2K2
R51
49R9
R51
49R9
U8
DP83848C
U8
DP83848C
TX_CLK
1
TX_EN
2
TXD_0
3
TXD_1
4
TXD_2
5
TXD_3/SNI_MODE
6
PWR_DOWN/INT
7
TCK
8
TDO
9
TMS
10
TRST#
11
TDI
12
PFBIN1
18
RD -
13
RD +
14
AGND
15
TD -
16
TD +
17
AGND
19
RESERVED2
21
RESERVED1
20
AVDD33
22
PFBOUT
23
R
B
IAS
24
25MHz_OUT
25
LED_ACT/COL/AN_EN
26
LED_SPEED/AN1
27
LED_LINK/AN0
28
RESET_N
29
MDIO
30
MDC
31
IOVDD33
32
X2
33
X1
34
IOGND
47
DGND
36
PFBIN2
37
RX_CLK
38
RX_DV/MII_MODE
39
CRS/CRS_DV/LED_CFG
40
RX_ER/MDIX_EN
41
COL/PHYAD0
42
RXD_0/PHYAD1
43
RXD_1/PHYAD2
44
RXD_2/PHYAD3
45
RXD_3/PHYAD4
46
IOGND
35
IOVDD33
48
+
C74
10uF
+
C74
10uF
R53 2K2
R53 2K2
C65
100nF
C65
100nF
LD4
HSMD-C190
LD4
HSMD-C190
C47 100nF
C47 100nF
C76
100nF
C76
100nF
C70
100nF
C70
100nF
R23 2K2
R23 2K2
R19 110R
R19 110R
R57 110R
R57 110R
R48 1K5
R48 1K5
C71
100nF
C71
100nF
R50
49R9
R50
49R9
R20 2K2
R20 2K2
C67
100nF
C67
100nF
R55 10K
R55 10K
R26 110R
R26 110R
C69
100nF
C69
100nF
R52
49R9
R52
49R9
1
2
3
6
4
5
7
8
75
75
75
75
0.001µF
TX+
TX-
RX+
RX-
1CT:1
TRANSMIT
1CT:1
RECEIVE
TD+
CT
TD-
RD+
CT
RD-
Right LED
Yellow
Left LED
Green
Front View
1
8
Yellow
Green
Shield Pin
Shield Pin
A
A
K
K
N/C
GND
GND
GND
GND
GND
J3
J3011G21DNL
1
2
3
6
4
5
7
8
75
75
75
75
0.001µF
TX+
TX-
RX+
RX-
1CT:1
TRANSMIT
1CT:1
RECEIVE
TD+
CT
TD-
RD+
CT
RD-
Right LED
Yellow
Left LED
Green
Front View
1
8
Yellow
Green
Shield Pin
Shield Pin
A
A
K
K
N/C
GND
GND
GND
GND
GND
J3
J3011G21DNL
3
4
7
8
5
6
10
9
1
2
11
12
13
14
R49
49R9
R49
49R9
R58 2K2
R58 2K2
Q3
O 50.0-JO32-B-3.3-1 LF
Q3
O 50.0-JO32-B-3.3-1 LF
OE
1
GND
2
OUT
3
VCC
4
R56
4K87
R56
4K87
R54 2K2
R54 2K2
R18 10K
R18 10K
C72
100nF
C72
100nF
C75
100nF
C75
100nF