參數(shù)資料
型號: KS8993ML
廠商: Micrel Inc
文件頁數(shù): 1/85頁
文件大小: 0K
描述: IC SWITCH 10/100 3PORT 128PQFP
標準包裝: 66
系列: *
類型: *
應(yīng)用: *
安裝類型: 表面貼裝
封裝/外殼: 128-BFQFP
供應(yīng)商設(shè)備封裝: 128-PQFP(14x20)
包裝: 散裝
配用: 576-1016-ND - BOARD EVAL FOR KS8993ML
其它名稱: 576-1015
KS8993M/ML/MI
Integrated 3-Port 10/100 Managed
Switch with PHYs
Rev 1.04
Micrel Inc. 2180 Fortune Drive San Jose, CA 95131 USA tel +1 (
408) 944-0800 fax + 1 (408) 474-1000 http://www.micrel.com
April 2005
1
M9999-041205
General Description
The KS8993M, a highly integrated Layer 2 managed
switch, is designed for low port count, cost-sensitive
10/100 Mbps switch systems. It offers an extensive
feature set that includes tag/port-based VLAN,
quality of service (QoS) priority, management,
management
information
base
(MIB)
counters,
MII/SNI,
and
CPU
control/data
interfaces
to
effectively address both current and emerging Fast
Ethernet applications.
The KS8993M contains two 10/100 transceivers with
patented mixed-signal low-power technology, three
media access control (MAC) units, a high-speed
non-blocking switch fabric, a dedicated address
lookup engine, and an on-chip frame buffer memory.
Both PHY units support 10BASE-T and 100BASE-
TX. In addition, one of the PHY unit supports
100BASE-FX.
The KS8993ML is the single supply version with all
the identical rich features of the KS8993M.
___________________________________________________________________________________________________
Functional Diagram
1KLook-Up
Engine
Queue
Management
Buffer
Management
Frame
Buffers
MIB
Counters
EEP
ROM
Interface
FIF
O,
Fl
o
w
C
o
n
tr
o
l,V
L
AN
Taggin
g
,P
rio
rit
y
10/100
MAC1
10/100
MAC2
10/100
MAC3
10/100
T/TX/FX
PHY 1
10/100
T/TX
PHY 2
SNI
SPI
Control
Registers
Strap-In
Configuration Pins
LED
Drivers
AUTO
MDI/MDI-X
AUTO
MDI/MDI-X
MII/SNI
SPI
MIIM
SMI
I2C
P1 LED[3:0]
P2 LED[3:0]
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