DM9301FP View Datasheet(PDF) - Davicom Semiconductor, Inc.
Part Name
Description
MFG CO.
DM9301FP
Davicom Semiconductor, Inc.
'DM9301FP' PDF : 22 Pages View PDF
DM9301FP
100Mbps Ethernet Fiber/Twisted Pair Single Chip Media Converter
MII Application Circuit: DM9301FP QFP (For Reference Only)
place caps close
to U1 pins
VCC
C1
C2
10uf
.1uf
SMD-B
C3
C4
.01uf
.1uf
GND
D5
Plus 5 volt D.C. input
J2
Power Jack
L1 Ferrite Hi current
. 1uf
L2 Ferrite Hi current
VCC
SMD-B
C6
C7
10uf
GND
GND
S1
SW PUSHBUTTON
VCC
TX CKT POWER/GROUND AREA
BYPASS CAPACITOR FOR U1
C17
C18
C19
C20
C21
C22
.01uF
. 1uf
.01uf
.1uf
.01uf
.1uf
Digital Ckt Power & Ground Area
Locate near U1's VCC & Ground Pins
Physically place caps on SOLDER
SIDE.
GND
place caps close
to U1 pins
VCC
R11
10K
C9
10uf
SMD-B
GND
GND
VCC
81
GND
82
GND
83
GND
84
RESET#
85
VCC
86
87
88
89
90
91
92
93
VCC 94
95
96
97
98
99
100
DVCC
DGND
TESTMODE
TRIDRV
RESET#
DVCC
TPMUX
TPI0
TPI1
DGND
TPI2
TPI3
C ON F I GA
DVCC
C ON F I GB
F XD LPBK
TXDLPBK
DGND
AGND
AGND
470 ohm
R5
VCC
470 ohm
R1
470 ohm
R2
470 ohm
R3
470 ohm
R6
D3
D1
D2
D6
DM9301F (TCO)
C25
C26
C27
.01uf .1uf
.01uf
C28
.01uf
C29
. 1uf
GND
VCC
VCC
3.3V SOT-223
800ma
3 Vin
Vout 2
C11
U3
.1uf
3.3V
C10
10uf
SMD-B
GND
GND
Load ONLY for 3.3V
Siemans V23812 Optics.
R14
49.9 1%
C12
R18
.1uf
GND
49.9 1%
This node will be 3.3V or 5V
depending on strapping.
R16
49.9 1%
VCC
R17
49.9 1%
R19
300/ 182
R21
300/ 182
GND
PECLRXI-
R25
82/ 127
C24
.1uf
R27
130/83
R26
82/127
PECLRXI+
R28
130/ 83
130/ 13. 2K
R23
R29
374/19.8K
82/ 127
R24
R30
130 /83
VCC
470 ohm
R4
Both LEDs in one package.
D2 is upper LED (TxLnk)
LED
D4
Isolation Barrier. No Power under this area.
All these components and their traces should
not intersect other areas.
RJ45
J1
R8
R7
75 1%
C5
U1
DGND 50
FRCFXSD 49
TXD0 48
GND
GND
GND
C8
.1uf
GND
TXD1 47
GND
DVCC 46
VCC
TXD2 45
GND
TXD3 44
GND
TXD4 43
GND
DGND 42
GND
BPSCRAM 41 BPSCRAM
MUXCTL0 40
GND
39
MUXCTL1
GND
38
TPEN
GND
37
DVCC
VCC
36
FXALPBK
GND
35
TXALPBK
GND
HLTNOLNK 34 HLTNOLNK
33
DGND
GND
AGND 32
GND
AVCC 31
VCC
R9
75 1%
TPRXI-
TPRXI+
.1uf /1KV
U2
88
77
66
55
4
4
3
3
22
1
1
99
10 10
11 11
12 12
13
13
14
14
15 15
16
16
R10
75 1%
TPTXO-
TPTXO+
GND
PE68515
VCC
J?
1 Disable Scrambler
2
3
4
CON4
GND
VCC J?
1 Halt If No Link
2
3
4
CON4
GND
GND
GND
0 Ohm
R12
VCC
R13
3. 3V
0 Ohm
Load ONLY R12 OR R13
R12=+5V for HFBR Large Optic
R13=3.3V for Siemans V23812 Optic.
62/ 69.8
R20
C23
.1uf
R22 62/ 69.8
GND
Y1 25M
C13
18pF
C14
18pF
GND
VCC_R
PECLTXO+
PECLTXO-
GND
9
8
VCC_T
7
PECLSD+
VCC_R
6
5
PECLRXI-
PECLRXI+
4
3
GND
2
1
L3
1uH
C15
.1uf
L4
1uH
Place these components as
close to Optics as
possible.
C16
. 1uf
GND
VCC_T
V23818-C8-V10
FX1
HFBR5103T
F X2
GND
PECLTXO+
PECLTXO-
VCC_T
9
8
7
VCC_R
PECLSD+
PECLRXI-
6
5
4
3
PECLRXI+
2
1
GND
Pop Table For :
3.3V 5.0V
R19
R20
R21
R22
R23
R24
optic
U3
C10
C11
R25
R26
R12
R13
R27
R28
R29
R30
182
69.8
182
69.8
13.2K
127
FX1
In
In
In
127
127
out
0
83
83
19.8K
83
300
62
300
62
130
82
FX2
out
out
out
82
82
0
out
130
130
374
130
GND
GND
GND
DAVICOM SEMICONDUCTOR, INC.
Title
9301 Media Converter
Size
Document Number
C us t om
DM9301.DSN
Date: Monday , April 24, 2000
Sheet
1
Rev
1.1
of 1
20
Preliminary
Version: DM9301FP-DS-F03
June 06, 2007
Share Link: 