Cirrus Logic CS1810xx - Manual (Page 48)

48
©
Copyright 2005 Cirrus Logic, Inc. DS651UM23
Version 2.3
CobraNet Hardware User’s Manual
Mechanical Drawings and Schematics
Figure 28. CM-2 RevF Schematic Page 5 of 7
ih
IO
R #
1
IO
W
#
2
AEN
3
IO
W
A
IT
4
DVDD 5
SD0
6
SD1
7
SD2
8
SD3
9
SD4
10
SD5
11
SD6
12
SD7
13
RST
14
DGND 15
TEST1 16 TEST2 17 TEST3 18 TEST4 19
DVDD 20
X2_25M 21
X1_25M 22
DGND 23
SD
24
BGGND 25 BGRES 26
AVDD 27
AVDD 28
RXI
+
29
RXI
-
30
AGND 31
AGND 32
T XO+
33
TX
O -
34
AVDD 35
DVDD 36
LIN
K
_ I
37
RXD0
38
RXD1
39
RXD2
40
RXD3
41
DGND 42
CRS
43
COL
44
RX_DV
45
RX_ER
46
RX_CL
K
47
TEST5 48
TX
_ C
LK
49
T XD0
50
T XD1
51
T XD2
52
T XD3
53
TX
_ E N
54
DVDD 55
MD
IO
56
MD
C
57
DGND 58
CLK20MO 59
SPEED# 60 DUP# 61 LINKACT# 62
DGND 63
EEDI 64
EEDO 65
EECK 66
EECS 67 GPIO0 68 GPIO1 69 GPIO2 70 GPIO3 71
DVDD 72
DVDD 73
NC 74
NC 75
DGND 76
NC 77
LIN
K _ O
78
WA
KE
U
P
79
PW
_RST
#
80
DGND 81
SD15
82
SD14
83
SD13
84
SD12
85
SD11
86
SD10
87
SD9
88
SD8
89
DVDD 90
IO
1 6
91
CM
D
92
SA4
93
SA5
94
SA6
95
SA7
96
SA8
97
SA9
98
DGND 99
IN
T
100
U7 DM
9000
R25
6.
8K
Ohm
, 1%
K
eep r
es
clos
e to chip pins
.
VCC_PHY1
VCC_+
3.
3
VCC_+
3.
3
VCC_+
3.
3
ADDR0 DAT
A0
DAT
A1
DAT
A2
DAT
A3
DAT
A4
DAT
A5
DAT
A6
DAT
A7
DAT
A8
DAT
A9
DAT
A10
DAT
A11
DAT
A12
DAT
A13
DAT
A14
DAT
A15
ADDR[
0. .19]
DAT
A[
0.
.15]
ADDR[
0. .19]
DAT
A[
0.
.15]
HRESET
_B
UF
#
VCC_+
3.
3
GN
D
OE#
WE
#
M
AC_CS#
IO
W
A IT
HRESET
_B
UF
#
OE#
WE
#
M
AC_CS#
IO
W
A
IT
MA
C _ IR
Q 0
MA
C _ IR
Q 0
ADDR2 ADDR3 ADDR1 ADDR4
L E
D _ C T R
L [0
..2
]
L E D
_ C
T R L [0
..2
]
VCC_+
3.
3
VCC_PHY1
C46 0.
01 uF
FB
2
F B
EAD,
68 Ohm
@
100 M
H
z
C6
10 uF
, X5R,
6.
3 Vo
lt s
C7
10 uF
, X5R,
6.
3 Vo
lt s
VCC_+
3.
3
VCC_PHY1
1
2
3
4 5
6
7
8
CN8 0.
1 uF
, 4x Array
1
2
3
4 5
6
7
8
CN6 0.
1 uF
, 4x Array
VCC_+
3. 3
1
2
3
4 5
6
7
8
CN7 0. 1 uF
, 4x Array
GN
D
1
2 3 4 5
6
7 8 9 10
RN7 3.
3K
Ohm
, 8x Array
GN
D
CLK_25
CL
K
_25
1 2
3
U10A 74L
VC32
VCC 14 GND 7
U10E
74L
VC32
M
AC_CS#
VCC_+
3. 3
C51 0.
1 uF
VCC_+
3.
3
LED_CTRL0
LED_CTRL1
LED_CTRL2
1 2 3 4 5 6 7 8
S1 S2
L1
L2
L3
L4
J5 RJ
45
7 8 9 10 11 12
13 14 15 16 17 18
TX
D
+
TX
D
-
TX
D
+
TX
D
-
RXD+
RXD+
RXD-
RXD-
T1
B
H2006A
R19
49.
9 Ohm
, 1% R20
49.
9 Ohm
, 1%
C26 0.
1 uF
C27 0. 1 uF
GN
D GN
D
VCC_PHY1
VCC_PHY1 R17
R18 49.
9 Ohm
, 1%
C25 0.
1 uF
C28 0.
1 uF
GN
D
R28
75 Ohm
, 1%
R27
C48 0.
01 uF
, 2K
V
SHI
EL
D
SHI
EL
D
SHI
EL
D
L E D
_ B U
F [0
..7
]
L E D
_ B
U F [0
..7
]
R29
R30
R31
R32 75 Ohm
, 1%
FB
3
FB
4
FB
5
FB
6
F B
EAD,
68 Ohm
@
100 M
H z AUX_POW
ER0
AUX_POW
ER1
AUX_POW
ER2
AUX_POW
ER3
AUX_POW
E R[
0. .3
]
AUX_POW
ER[
0 .. 3 ]
LED_BUF0
LED_BUF1
LED_BUF2
LED_BUF3
Note: See Text W
a
rning
W
arning
: Failure to
properly
ins
tall and
conf
ig
ur
e the aux.
E
ther
net s
ig
n als
can r
es
u lt in
v
er
y bad thing
s (
i. e.
, f
ir
e,
s
m
ok
e,
bad hair
day
s)
.
I f pow
er
is
s
upplied v
ia the R
J-
4 5 connector
then
only
the f
errite beads
are installed (not the
r es
is
tor
s)
. I
f pow
er
is
not s
upplied v
ia the R
J-
4 5
then the r
es
is
tor
s ar
e ins
talled and the beads
ar
e
not.