Circuit - Davicom Semiconductor Inc.

8
7
6
5
4
3
2
1
DVDD
R18
330
2
R19
330
2
1
1
2 LED3
1
LED
SPEED100
2 LED4
1
LED
LINK&ACT
MDC
MDIO
SD16
D
D
+3.3V
C25
0.1UF
R28 0
R29 0
TXO+
DGND
SD[8..15]
SD15
SD14
SD13
SD12
SD11
SD10
SD9
SD8
DVDD
IO16
SA2
SA4
SA5
SA6
SA7
SA8
SA9
SA2
DVDD
INT
INT
DVDD
B
DVDD
C29
0.1UF
C0603
(PD=100mA max. at 100BASE-TX)
DVDD
NEW_IOR#
IOW#
AEN
(FROM CPU CHIP-SELECT)
IOWAIT
DGND
R4
6.80K/1%
R0603
DGND
1
2
74F32
A
NEW_IOR#
10
9
9
8
8
12
13
11
10
7
11
6
12
16
1
C3
0.1UF
R23 R15
R6
75
R5
R4
75
75
R3
75
C4
C
C1
0.1UF
0.01U/2KV
CH_GROUND
AGND
SD[17..31]
DVDD
AVDD
L1 FOR
5V FIBER MODULE
L2 FOR 3.3V FIBER MODULE
R34 0
TXO+
TXO-
R9
R10
R11
R12
83/127
83/127
83/127
62/69
R13
62/69
U1
9
8
7
6
5
4
3
2
1
FXTD+
FXTD-
R33 0
+5V AVDD
C24
0.1UF
C0603
AGND
1
2
L2 2.2uH/SMD1812
1
2
L1 2.2uH/SMD1812
AVDD
C23
0.1UF
C0603
AGND
ANALOG#1
FSD
RXIRXI+
R32 0
R35 0
R36 0
R17
R18
57/0
57/0
R19
57/0
R20
R25
TXVEE
TD+
TDTXVCC
RXVCC
SD+
RDRD+
RXVEE
V23806
263/182
R21
FXSD
FXRDFXRD+
B
263/182
R26
68/83
R27
68/83
C34
220UF/10V
E.C.
AGND
+
R value for 5V/3.3V Fiber
AGND
DVDD +3.3V
L2
AVDD
NOTE:IN 5V FIBER MODULE TXVCC AND RXVCC UNDERVOLTAGE :
4.8~4.7 : R25 , R26 , R27 USE 75 Ohm
4.7~4.5 : R25 , R26 , R27 USE 83 Ohm
BEAD/120ohm
S0603
AGND
3
RJ-45
R31 0
49.9 49.9
RXIRXI+
AVDD
C33
22PF
C0603
DGND
U5A
CSJ
1
2
3
4
5
6
7
8
AGND
C32
22PF
C0603
IOR#
RXI-
DGND
AVDD
TXOTXO+
R30 0
RXI+
68/83
Y1
25MHZ/49US
RST
IOR#
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
AVDD
X1
X2
IOWAIT
SD[0..7]
C31
0.1UF
C0603
DGND
U4
DM9000/LQFP100
SD7
SD6
SD5
SD4
SD3
SD2
SD1
SD0
IOW#
CSJ
DGND
TXD0
TX_CLK
TEST5
RX_CLK
RX_ER
RX_DV
COL
CRS
DGND
RXD3
RXD2
RXD1
RXD0
LINK_I
DVDD
AVDD
TXOTXO+
AGND
AGND
RXIRXI+
AVDD
BGVDD
BGRES
FSD
DGND
DGND
DVDD
C30
0.1UF
C0603
DGND
NC
LINK_O
WAKEUP
PW_RST#
DGND
SD15
SD14
SD13
SD12
SD11
SD10
SD9
SD8
DVDD
IO16
CMD
SA4
SA5
SA6
SA7
SA8
SA9
DGND
INT
1
WAKEUP
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
SD17
SD18
SD19
SD20
SD21
SD22
SD23
SD24
SD25
SD26
SD27
SD28
SD29
SD30
SD31
DGND
IOR#
IOW#
AEN
IOWAIT
DVDD
SD0
SD1
SD2
SD3
SD4
SD5
SD6
SD7
RST
DGND
TEST1
TEST2
TEST3
TEST4
DVDD
X2_25M
X1_25M
DGND
SD
BGGND
DGND
DGND
NC
NC
DVDD
DVDD
GPIO3
GPIO2
GPIO1
GPIO0
EECS/LED
EECK
EEDO
EEDI
DGND
LINK&ACT#
DUP#
SPEED100#
CLK20MO
DGND
MDC
MDIO
DVDD
TX_EN
TXD3
TXD2
TXD1
+
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
C28
22UF/25V
E.C.
C
DGND
7
DGND
PE68515
6
C35
0.1UF
C0603
PW_RST#
PW_RST#
U2
2
C27
0.1UF
C0603
2
DGND
DVDD
2
C26
0.1UF
C0603
R5
4.7K
DVDD
1
DVDD
75
74
73
72
71
70
69
68
67
66
65
64
63
62
61
60
59
58
57
56
55
54
53
52
51
1
DVDD
5
16
JP1
DVDD
5
TXO-
14
EEDI
EEDO
EECK
DGND
13
93C46/SOP8
R22 R14
49.9 49.9
4
8
7
6
5
4
VCC
NC
NC
GND
15
CS
SK
DI
DO
14
1
2
3
4
R17 2
1
4.7K
R0603
3
EEDO(P65)
WAKEUP(P97)
Data Length
--------------------------------------------pull high
(NC)
32 bits
(NC)
(NC)
16 bits
(NC)
pull high
8 bits
--------------------------------------------
AVDD
U6
3
LED MODE 1
R6 4.7K
1
2
15
DVDD
2
NOTES:
EEDO,WAKEUP internal pull low ( ie.NC)
R20/R21
R12/R13
R9/R10/R11
R17/R18/R19
R25/R26/R27
5V
263
62
83
57
68
3.3V
182
69
127
0
83
DGND
NOTE:FOR 32-BIT EMBEDED SYSTEM
APPLICATION REFERENCE ONLY
A
DAVICOM Semiconductor, Inc.
Title
8
7
6
5
4
3
DM9000 EMBEDED Application (WITHOUT MII INTERFACE)
Size
Document Number
Date:
Tuesday, June 04, 2002
2
Rev
1.1
DM9000-1.SCH
Sheet
1
of
1
1