參數資料
型號: GT-48212
廠商: Galileo Technology Services, LLC
英文描述: Advanced Switched Ethernet Controllers for 10+10/100 BaseX(高級交換式 10+10/100 BaseX以太網控制器)
中文描述: 先進的交換式以太網控制器的10 10/100 BaseX(高級交換式10 10/100 BaseX以太網控制器)
文件頁數: 88/135頁
文件大?。?/td> 1619K
代理商: GT-48212
GT-482xx Switched Ethernet Controllers for 10+10/100 BaseX
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Revision 1.2
13.2.7 Forwarding of unknown packets enabled
This signal indicates the port mode of forwarding unknown packets: active - forwarding unknown packets enabled,
inactive otherwise.
13.2.8 Port Configured as Sniffer
This signal indicates if the port mode is configured as a sniffer target port: active - port is a target sniffer, inactive
otherwise.
13.2.9 Link Fail State
This signal indicates the port link status: active - link is down, inactive - link is up.
13.2.10 Partition State
This signal indicates the port partition status: active - port entered partition state, otherwise inactive.
13.2.11 Secondary Port Status LED
Indicates the secondary status mode as per the inverted value of LEDMode input.
13.2.12 Pure Port Status LED
This signal will be inactive for any of the following events:
Port is disabled
Link Integrity Test Failed
Partition State Detected
Otherwise, this signal is active.
13.3
LED Signal Timing Types
13.3.1 Static LED Signals
These signals are stable for relatively long time periods. The LED indication directly reflects their current value.
The static signals are:
Port Status (LEDMode 0)
Forwarding of Unknown packets enabled
Port Configured as Sniffer
Full/Half Duplex
13.3.2 Dynamic Internal Signals
These signals are typically active for short time periods. In order to be visible through the LED Indication Inter-
faces, the GT-482xx includes a "monostable" function per each of these dynamic signals so they can be viewed
on the LED indication output for a period of about 62 ms in LEDMode 0 and 7.5 ms in LEDMode 1. The dynamic
signals are:
Port Status (LEDMode 1)
Transmit data in progress (TxEn)
Receive data in progress (RxDV)
Collision active (Col)
Receive Buffer Full
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