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DM9332EP Datasheet(PDF) 49 Page - Davicom Semiconductor, Inc.

Part # DM9332EP
Description  10/100Mbps Ethernet Fiber/Twisted Pair Single Chip Media Converter
PDF  61 Pages
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Manufacturer  DAVICOM [Davicom Semiconductor, Inc.]
Direct Link  http://www.davicom.com.tw
Logo DAVICOM - Davicom Semiconductor, Inc.

DM9332EP Datasheet(HTML) 49 Page - Davicom Semiconductor, Inc.

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DM9332
10/100Mbps Ethernet Fiber/Twisted Pair Single Chip Media Converter
Preliminary datasheet
49
DM9332-15-DS-P01
March 5, 2012
9.3.3 Serial Management Interface
The serial control interface uses a simple
two-wired serial interface to obtain and control the
status of the physical layer through the MII interface.
The serial control interface consists of MDC
(Management Data Clock), and MDI/O (Management
Data Input/Output) signals.
The MDIO pin is bi-directional and may be shared
by up to 32 devices.
9.3.4 Management Interface - Read Frame Structure
32 "1"s
0
1
1
0
A4
A3
A0
R4
R3
R0
Z
0
Idle Preamble
SFD
Op Code
PHY Address
Register Address
Turn Around
Data
Idle
Read
Write
MDC
MDIO Read
D15
D14
D1
D0
//
//
9.3.5 Management Interface - Write Frame Structure
32 "1"s
0
1
1
0
A4
A3
A0
R4
R3
R0
1
0
D15
D14
D1
D0
Idle Preamble
SFD
Op Code
PHY Address
Register Address
Turn Around
Data
Idle
Write
MDC
MDIO Write



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