ml6652 Sirenza Microdevices, ml6652 Datasheet - Page 13

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ml6652

Manufacturer Part Number
ml6652
Description
10/100mbps Ethernet Fiber And Copper Media Converter With Auto-negotiation
Manufacturer
Sirenza Microdevices
Datasheet

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13
The ML6652 Fast Ethernet Media Converter provides
signal conversion between the following standards:
The ML6652 supports conversion between Twisted Pair
Side, Fast Link Pulses (FLP) and Fiber Side, Fiber Link
Negotiation Pulses (FLNP). It supports ISO/IEC 8802.3,
IEEE 802.3, and TIA/EIA-785 including Auto-Negotiation
on both twisted pair and fiber optics.
The ML6652 data interfaces can all be configured in a
number of ways. The twisted pair inputs and outputs can
be configured in Twisted Pair Mode to interface with a 1:1
transformer for transmit and receive or in PECL/LVPECL
Mode to interface a PMD module. The fiber optic inputs
and outputs can be configured in Quantizer/Fiber Optic
Mode with an LED driver or in PECL/LVPECL Mode. LED
status outputs identify internal operational status.
The ML6652 operating modes are configurable through
control input pins (at power up) or through management
control registers that are programmable through an
interface protocol compatible with MII Serial
Management Interface as defined in IEEE 802.3-1998
standards.
CONFIGURABLE MODES
Operating Modes (Forced, Transparent And Non-
transparent)
1) FORCED 10Mbps only mode,
2) FORCED 100Mbps only mode,
3) NON-TRANSPARENT Half Duplex only, with Auto-
4) NON-TRANSPARENT Full and Half Duplex with Auto-
5) TRANSPARENT 10/100Mbps with Auto-Negotiation
6) NON-TRANSPARENT Special case
GENERAL DESCRIPTION
10BASE-T to 10BASE-FL; (10Mbps twisted pair copper
media and 10Mbps 850nm fiber media)
Proprietary 10BASE-T to 10BASE-1300nm Fiber;
(10Mbps twisted pair copper media and 10Mbps
1300nm fiber media).
100BASE-TX to 100BASE-SX/FX (100Mbps twisted pair
copper media and 1300nm or 850nm fiber media).
100BASE-FX to 100BASE-SX (100Mbps 850nm fiber
media and 100Mbps 1300nm fiber media).
Negotiation
Negotiation
January 2004
Interface Modes
1) Twisted pair interface
b) Fiber Optic Interface
Special Modes
1) Power Down Mode
2) Loopback Test Modes
3) Transmitter Output Off Mode:
4) Backup Link Mode
Final Datasheet
a)
b)
i)
ii) PECL/LVPECL Mode
a)
a)
b)
c)
a)
b)
c)
a)
(i) Control pin 24 or
(ii) Management control register
control register and include bypassing clock and
data recovery blocks.
control registers or control pins TPOUTOFF# (pin
13) and FOOUTOFF# (pin 14).
register or via BCKPLINK (Pin 40).
Twisted Pair (Transformer input) Mode or
PECL/LVPECL Mode
Quantizer/Fiber Optic LED Driver Mode or
Configurable through:
For the fiber optic interface or
The twisted pair interface
Both are configurable through the Management
Twisted Pair or
Fiber Optic
Both are configurable through the Management
Configurable through Management control
DS6652-F-02
ML6652

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