參數(shù)資料
型號： MVTX2602AG
廠商： ZARLINK SEMICONDUCTOR INC
元件分類： 網(wǎng)絡(luò)接口
英文描述： Managed 24 Port 10/100 Mbps Ethernet Switch
中文描述： DATACOM, LAN SWITCHING CIRCUIT, PBGA553
封裝： 37.50 X 37.50 MM, 2.33 MM HEIGHT, MS-034, HSBGA-553
文件頁數(shù)： 16/147頁
文件大?。?/td> 924K
代理商： MVTX2602AG
MVTX2602
Data Sheet
16
Zarlink Semiconductor Inc.
In addition, there are nine types of Control frames generated by the MVTX2602 and sent to the CPU:
Interrupt CPU when statistics counter rolls over
Response to memory read request from CPU
Learn MAC address
Delete MAC address
Delete IP Multicast address
New VLAN port
Age out VLAN port
Response to search MAC address request from CPU
Response to search IP Multicast address request from CPU
The format of the Control Frame is described in the processor interface application note.
2.4 Unmanaged Mode
In unmanaged mode, the MVTX2602 can be configured by EEPROM (24C02 or compatible) via an I2C interface at
boot time, or via a synchronous serial interface during operation.
2.5 I2C Interface
The I2C interface uses two bus lines, a serial data line (SDA) and a serial clock line (SCL). The SCL line carries the
control signals that facilitate the transfer of information from EEPROM to the switch. Data transfer is 8-bit serial and
bidirectional, at 50 Kbps. Data transfer is performed between master and slave IC using a request /
acknowledgment style of protocol. The master IC generates the timing signals and terminates data transfer.
Figure 3 depicts the data transfer format.
Figure 3 - Data Transfer Format for I2C Interface
2.5.1 Start Condition
Generated by the master (in our case, the MVTX2602). The bus is considered to be busy after the Start condition is
generated. The Start condition occurs if while the SCL line is High, there is a High-to-Low transition of the SDA line.
Other than in the Start condition (and Stop condition), the data on the SDA line must be stable during the High
period of SCL. The High or Low state of SDA can only change when SCL is Low. In addition, when the I2C bus is
free, both lines are High.
2.5.2 Address
The first byte after the Start condition determines which slave the master will select. The slave in our case is the
EEPROM. The first seven bits of the first data byte make up the slave address.
2.5.3 Data Direction
The eighth bit in the first byte after the Start condition determines the direction (R/W) of the message. A master
transmitter sets this bit to W; a master receiver sets this bit to R.
START
SLAVE ADDRESS
R/W
ACK
DATA 1
(8 bits)
AC
K
DATA 2
ACK
DATA M
ACK
STOP
相關(guān)PDF資料
PDF描述
MVTX2603 Unmanaged 24-Port 10/100 Mb + 2-Port 1 Gb Ethernet Switch
MVTX2603AG Unmanaged 24-Port 10/100 Mb + 2-Port 1 Gb Ethernet Switch
MVTX2604 Managed 24-Port 10/100 Mb + 2 Port 1 Gb Ethernet Switch
MVTX2604AG Managed 24-Port 10/100 Mb + 2 Port 1 Gb Ethernet Switch
MVTX2801 Unmanaged 4-Port 1000 Mbps Ethernet Switch
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MVTX2602AG2 制造商:Microsemi Corporation 功能描述:
MVTX2603 制造商:ZARLINK 制造商全稱:Zarlink Semiconductor Inc 功能描述:Unmanaged 24-Port 10/100 Mb + 2-Port 1 Gb Ethernet Switch
MVTX2603A 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Unmanaged 24 port 10/100Mb + 2 port 1Gb Ethernet switch
MVTX2603AG 制造商:ZARLINK 制造商全稱:Zarlink Semiconductor Inc 功能描述:Unmanaged 24-Port 10/100 Mb + 2-Port 1 Gb Ethernet Switch
MVTX2603AG2 制造商:Microsemi Corporation 功能描述:
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