MX98747 datasheet, PDF - EEWORLD Datasheet

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MX98747: DescriptionLAN Controller, 8 Channel(s), 12.5MBps, CMOS, PQFP16, PLASTIC, QFP-160; CategoryThe embedded processor and controller Microcontrollers and processors; File Size13KB，2 Pages; ManufacturerMacronix; Websitehttp://www.macronix.com/en-us/Pages/default.aspx

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MX98747 Overview

LAN Controller, 8 Channel(s), 12.5MBps, CMOS, PQFP16, PLASTIC, QFP-160

MX98747 Parametric

Parameter Name	Attribute value
Is it Rohs certified?	incompatible
Maker	Macronix
Parts packaging code	QFP
package instruction	QFP,
Contacts	16
Reach Compliance Code	unknown
boundary scan	NO
maximum clock frequency	50 MHz
Maximum data transfer rate	12.5 MBps
JESD-30 code	S-PQFP-G16
JESD-609 code	e0
length	28 mm
low power mode	NO
Number of serial I/Os	8
Number of terminals	16
Package body material	PLASTIC/EPOXY
encapsulated code	QFP
Package shape	SQUARE
Package form	FLATPACK
Peak Reflow Temperature (Celsius)	NOT SPECIFIED
Certification status	Not Qualified
Maximum seat height	3.35 mm
surface mount	YES
technology	CMOS
Terminal surface	Tin/Lead (Sn/Pb)
Terminal form	GULL WING
Terminal pitch	0.65 mm
Terminal location	QUAD
Maximum time at peak reflow temperature	NOT SPECIFIED
width	28 mm
uPs/uCs/peripheral integrated circuit type	SERIAL IO/COMMUNICATION CONTROLLER, LAN

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INDEX

ADVANCED INFORMATION

MX98747

8-Port Dual-Speed Repeater Controller

1. Features

• Fully integrate eight 10/100Mbps repeater ports

• Support independent 10Mbps and 100Mbps Ethernet

operation segments

• Automatically connect each port to specific segment,

namely 10M or 100M by its data flow rate without user

intervention

• Two expansion bus in backplane, one for 10Mbps

operation and one for 100Mbps operation are used to

cascade other controllers or stack hub devices

• Integrate LED drivers for at-a-glance operation status

monitoring

• 208-pin PQFP

2. Description

MX98747 is an 8-port dual-speed repeater controller to

provide system vendors a cost-effective chip solution

on work-group segment-switched, stack hub devices.

Works with (quad) auto-detect PHY components,

MX98747 builds separate 10Mbps repeater state ma-

chine and 100Mbps repeater state machine inside to

supports either conventional Ethernet or Fast Ethernet

operation on each MII port. Depending on data rate,

controller automatically hooks each port to the specific

segment such that the 10M ports operate in one do-

main and 100M ports in another domain, they do not

interfere mutually. Controller provides two expansion

ports (or inter-repeater buses) for stack hub applica-

tion, one for 10Mbps cascading and one for 100Mbps

cascading. Up to 31 controllers can be chained together

in a stack hub system. Cooperates with MX98748 that

build in an internal switch will perfectly connect 10M and

100M segments in a repeater set.

LED drivers are integrated per hub port for operation

status monitoring. System vendors could implement LED

matrix display on front panel for at-a-glance monitoring.

Individual LED could indicate "Speed" (10Mbps or

100Mbps rate), "Collision", "Link", "Partition", and "Utili-

zation".

P/N:PM0585

REV. 0.0, OCT. 20, 1998

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