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IP113F датащи(PDF) 23 Page - List of Unclassifed Manufacturers

номер детали IP113F
подробное описание детали  Managed 10/100Base-TX / FX Media Converter
PDF  46 Pages
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производитель  ETC2 [List of Unclassifed Manufacturers]
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IP113F датащи(HTML) 23 Page - List of Unclassifed Manufacturers

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IP113F
Preliminary Data Sheet
Serial management interface
User can access IP113F’s MII registers through serial management interface MDC and MDIO. A specific
pattern on MDIO is used to access a MII register. Its format is shown in the following table. When the SMI
is idle, MDIO is in high impedance. To initialize the MDIO interface, the management entity sends a
sequence of 32 contiguous “1” and “start” on MDIO.
MDIO
113F
MDC
management
entity
MDIO
113F
MDC
MDIO
113F
MDC
Syatem diagram
Frame
format
<Idle><start><op code><IP113F’s address><Registers address><turnaround>
<data><idle>
Read
Operation
<Idle><01><10><A4A3A2A1A0><R4R3R2R1R0><Z0>
<b15 b14 b13 b12 b11 b10 b9 b8 b7 b6 b5 b4 b3 b2 b1b0><Idle>
Write
Operation
<Idle><01><01><A4A3A2A1A0><R4R3R2R1R0><10>
<b15 b14 b13 b12 b11 b10 b9 b8 b7 b6 b5 b4 b3 b2 b1b0><Idle>
0
0
0
0
0
0
0
0
1
1
0
0
1
1
0
0
0
1
0
0
0
0
0
1
0
0
0
0
1
0
1
0
1..1
idle
start
op
code
PHY address =
01h
Reg address =
00h
TA
Register data
b
1
5
b
1
4
b
1
3
b
1
2
b
1
1
b
1
0
b
9
b
8
b
7
b
6
b
5
b
4
b
3
b
2
b
1
b
0
idle
A
4
A
3
A
2
A
1
A
0
R
4
R
3
R
2
R
1
R
0
write
z
z
0
0
0
0
0
0
0
0
1
0
0
0
1
1
0
0
0
Z
0
0
0
0
0
1
0
0
0
0
0
1
1
0
idle
start
op
code
PHY address =
01h
Reg address =
00h
TA
Register data
b
1
5
b
1
4
b
1
3
b
1
2
b
1
1
b
1
0
b
9
b
8
b
7
b
6
b
5
b
4
b
3
b
2
b
1
b
0
idle
A
4
A
3
A
2
A
1
A
0
R
4
R
3
R
2
R
1
R
0
read
z
zz
MDC
MDIO
MDC
MDIO
1..1
1..1
1..1
Confidential.
23/46
Aug. 20, 2003
Copyright © 2003, IC Plus Corp.
IP113F-DS-R02



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