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參數(shù)資料
| 型號(hào)： | MX98207 |
| 廠商： | Macronix International Co., Ltd. |
| 英文描述： | 12-Port Dual-Speed Ethernet Switch Controller(12端口、雙速以太網(wǎng)開關(guān)控制器) |
| 中文描述： | 12端口雙速以太網(wǎng)交換機(jī)控制器（12端口，雙速以太網(wǎng)開關(guān)控制器） |
| 文件頁數(shù)： | 1/34頁 |
| 文件大小： | 575K |
| 代理商： | MX98207 |
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P/N:PM0660
REV. 0.1, FEB. 10, 2000
MX98207
12-Port Dual-Speed Ethernet Switch Controller
FEATURES
Single-chip 12-port 10/100Mbps wire-speed switched
Ethernet controller.
Integration of 12 dual-speed, full/half duplex capable
Media Access Controllers (MACs) with RMII interfaces
Support Store-and-Forward switching scheme.
Support 2.1Gbps (@66MHz) expansion (inter-switch)
bus interface.
Support source/destination MAC address lookup, learn-
ing, and aging within built-in storage of 1K MAC ad-
dress.
GENERAL DESCRIPTION
The MX98207 is a 12-port 10/100Mbps single-chip
shared-memory Ethernet switch controller. A desktop or
departmental switched Ethernet solution can be achieved
by combining MX98207, the necessary physical devices
and low-cost memory. All 12 ports are full-duplex ca-
pable to provide private 20/200Mbps bandwidth connec-
tion to power users or servers through external physical
(PHY) layers. System manufacturers can cascade 2
MX98207 switch controllers to build a 24-port 10/
100Mbps switched Ethernet box easily.
MX98207 supports store-and-forward switching scheme
with built-in storage of 1K MAC address. The function
modules integrated in controller include 12 full-duplex
capable media access controller with RMII interface to
PHYs, address resolution logic (ARL) for MAC address
learning and recognition, queue manager, and expansion
bus interface for 2 MX98207s cascading. It complies fully
with IEEE Std. 802.3/802.3u specification, and supports
MDC/MDIO interface for physical layer management with
industrial standard physical devices.
The flow control mechanism is provided to prevent buffer
overflow that would force controller to lose packets. Con-
troller will monitor the traffic through receive terminal of
each physical port, and frame queuing status on the data
PRELIMINARY
Support IEEE802.3x compliant flow control for FDX
and back-pressure flow control for HDX.
Support up to 2MB SSRAM (pipeline type, or flow
through type) as data buffer.
Serial EEPROM interface for auto-configuration.
Broadcast storm control.
LED interface for utilization indication of each port.
Cascade 2 switch controllers to construct 24 10/
100MBps switched Ethernet ports in a box easily with-
out extra logic.
3.3V COMS technology, package in 292-pin BGA.
buffer. Some watermarks are set. As soon as data buffer
is run over the warning threshold, flow control mecha-
nism is triggered to deter the underlying host(s) to trans-
mit frames for sometime. For half-duplex operation port(s),
jam pattern is issued to the attached host. For full-du-
plex operation port(s), specific "pause" frame of IEEE
Std. 802.3x is issued to the host. Moreover user can
program the threshold of broadcast frame storage to dis-
card over-loaded ones to prevent potential of broadcast
storming. After buffer fullness drops in the safe margin,
controller releases flow control state to allow physical
ports to work in norm condition.
Per port utilization information can be retrieved through
serial LED interface. User can program the control regis-
ter for "all-port" display mode or "select-port" display mode
with 8-bit indication or 5-bit indication.
System manufactures' design flexibility is our concern
too. MX98207 provides expansion bus interface for 2
MX98207s cascading. Simple bus protocol is utilized to
control traffic transaction on expansion bus, In 24-port
fast Ethernet switch paradigm, only one EEPROM is
required for auto-configuration. Figure 1 below illustrates
the functional block diagram of MX98207.
相關(guān)PDF資料 |
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| MX98224EC | 24-port Dual-Speed Ethernet Switch Controller |
| MX98705 | 100 Base-TX PHY-PMD Transceiver(100 Base-TX PHY-PMD 收發(fā)器) |
| MX98715AEC-C | Circular Connector; No. of Contacts:37; Series:MS27466; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:15; Circular Contact Gender:Pin; Circular Shell Style:Wall Mount Receptacle; Insert Arrangement:15-35 RoHS Compliant: No |
| MX98715AEC-D | Circular Connector; No. of Contacts:37; Series:MS27466; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:15; Circular Contact Gender:Socket; Circular Shell Style:Wall Mount Receptacle RoHS Compliant: No |
| MX98715AEC-E | Circular Connector; No. of Contacts:6; Series:MS27466; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:17; Circular Contact Gender:Pin; Circular Shell Style:Wall Mount Receptacle; Insert Arrangement:17-6 RoHS Compliant: No |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MX98224EC | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:24-port Dual-Speed Ethernet Switch Controller |
| MX98702 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:LAN Transceiver |
| MX98704 | 制造商:MCNIX 制造商全稱:Macronix International 功能描述:100BASE-TX PHYSICAL DATA TRANSCEIVER |
| MX98704EC | 制造商:MCNIX 制造商全稱:Macronix International 功能描述:100BASE-TX PHYSICAL DATA TRANSCEIVER |
| MX98704QC | 制造商:MCNIX 制造商全稱:Macronix International 功能描述:100BASE-TX PHYSICAL DATA TRANSCEIVER |
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