ksz8851-mql Micrel Semiconductor, ksz8851-mql Datasheet - Page 28
![no-image](/images/manufacturer_photos/0/4/435/micrel_semiconductor_sml.jpg)
ksz8851-mql
Manufacturer Part Number
ksz8851-mql
Description
Single-port Ethernet Mac Controller With 8/16-bit Or 32-bit Non-pci Interface
Manufacturer
Micrel Semiconductor
Datasheet
1.KSZ8851-MQL.pdf
(89 pages)
- Current page: 28 of 89
- Download datasheet (658Kb)
LinkMD
The KSZ8851M LinkMD
problems such as open circuits, short circuits, and impedance mismatches.
LinkMD
the shape of the reflected signal. Timing the pulse duration gives an indication of the distance to the cabling fault with a
maximum distance of 200m and an accuracy of +/–2m. Internal circuitry displays the TDR information in a user-readable
digital format in register P1SCLMD[8:0].
Note: cable diagnostics are only valid for copper connections – fiber-optic operation is not supported.
Access
LinkMD
Usage
LinkMD
February 2009
Micrel, Inc.
®
®
®
®
is initiated by accessing register P1SCLMD, the PHY special control/status and LinkMD
works by sending a pulse of known amplitude and duration down the MDI and MDI-X pairs and then analyzes
can be run at any time by ensuring that Auto-MDIX has been disabled. To disable Auto-MDIX, write a ‘1’ to
Cable Diagnostics
B y p a s s A u t o N e g o t i a t i o n
Start Auto Negotiation
Force Link Setting
and Set Link Mode
®
YES
uses time domain reflectometry (TDR) to analyze the cabling plant for common cabling
NO
Figure 6. Auto Negotiation and Parallel Operation
Attempt Auto
Negotiation
Listen for 100BASE-TX
28
Link Mode Set ?
Link Mode Set
Operation
Join Flow
Parallel
Idles
YES
NO
Listen for 10BASE-T L i n k
Pulse s
KSZ8851-16/32 MQL/MQLI
®
register (0xF4).
M9999-021309-1.1
Related parts for ksz8851-mql
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
![KSZ8851-16MLLJ_10](/images/no-image3.png)
Part Number:
Description:
Single-Port Ethernet MAC Controller with 8-Bit or 16-Bit Non-PCI Interface
Manufacturer:
MICREL [Micrel Semiconductor]
Datasheet:
![MIC5219YM5](/images/manufacturer_photos/0/4/435/micrel_semiconductor_tmb.jpg)
Part Number:
Description:
Manufacturer:
Micrel Semiconductor
Datasheet:
![MIC50395CN](/images/manufacturer_photos/0/4/435/micrel_semiconductor_tmb.jpg)
Part Number:
Description:
Six Decade Counter / Display Decoder
Manufacturer:
Micrel Semiconductor
Datasheet:
![MIC2524-2BN](/images/manufacturer_photos/0/4/435/micrel_semiconductor_tmb.jpg)
Part Number:
Description:
Manufacturer:
Micrel Semiconductor
Datasheet:
![MIC5015BN](/images/manufacturer_photos/0/4/435/micrel_semiconductor_tmb.jpg)
Part Number:
Description:
Manufacturer:
Micrel Semiconductor
Datasheet:
![LM2574BWM](/images/manufacturer_photos/0/4/435/micrel_semiconductor_tmb.jpg)
Part Number:
Description:
Manufacturer:
Micrel Semiconductor
Datasheet:
![MIC4574BWM](/images/manufacturer_photos/0/4/435/micrel_semiconductor_tmb.jpg)
Part Number:
Description:
200kHz Simple 0.5A Buck Voltage Regulator
Manufacturer:
Micrel Semiconductor
Datasheet:
![SY100EL32VZITR](/images/manufacturer_photos/0/4/435/micrel_semiconductor_tmb.jpg)
Part Number:
Description:
Manufacturer:
Micrel Semiconductor
Datasheet:
![SY100EL92ZGTR](/images/manufacturer_photos/0/4/435/micrel_semiconductor_tmb.jpg)
Part Number:
Description:
Manufacturer:
Micrel Semiconductor
Datasheet:
![SY100ELT23ZCTR](/images/manufacturer_photos/0/4/435/micrel_semiconductor_tmb.jpg)
Part Number:
Description:
Manufacturer:
Micrel Semiconductor
Datasheet:
![MIC4685](/images/manufacturer_photos/0/4/435/micrel_semiconductor_tmb.jpg)
Part Number:
Description:
Manufacturer:
Micrel Semiconductor
Datasheet:
![MIC5255-3.0BM5](/images/manufacturer_photos/0/4/435/micrel_semiconductor_tmb.jpg)
Part Number:
Description:
Manufacturer:
Micrel Semiconductor
Datasheet:
![MIC5259-3.3YD5](/images/manufacturer_photos/0/4/435/micrel_semiconductor_tmb.jpg)
Part Number:
Description:
Manufacturer:
Micrel Semiconductor
Datasheet:
![MIC5245-2.8BM5](/images/manufacturer_photos/0/4/435/micrel_semiconductor_tmb.jpg)
Part Number:
Description:
Manufacturer:
Micrel Semiconductor
Datasheet: