MT6620 WiFi MAC Address Application

10 Pages·2011·1.213 MB·English, Chinese

by  Mediatek Inc.

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WiFi MAC Address Application
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Copyright © MediaTekInc. All rights reserved.
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MT6620 MAC Address Decision Flow
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(Requested by SA on 11/06/23) S
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MAC address is e Yes Apply MAC address
valid in NVRAM l from NVRAM
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MAC address is Yes Apply MAC address
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Pop up warning message.
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address
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Rules of MAC Address
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▪ *Not* use all-zero address as Wi-Fi MAC address
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▪ *Not* use multicasting address as WDi-Fi MAC address
– If zero/multicast address is configuIred, theo setting will be just ignored
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• If there is a valid address on eFUSE, it will be used
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• Otherwise a randomly generated address will be used
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▪ Use an unique unicast address is necessary!
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– Do not set this bit as TRUE!
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• First byte must be a even
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Copyright © MediaTek Inc. All rights reserved. 2011/12/12 5

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I IInntteerrnnaall UUssee
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Related ALPS SlW Patch for
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MT6620 MAC Addoress Decision Flow
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SW Patch E
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• For W1120MP and W1126MP, plEease include patch -

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ALPS00055397 for New MT6620D MAC Address
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• This Patch is mainly for Customer if using MT6620
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Module. If customer use COB(bChip On Board), then
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customer shall write MAC Address into NVRAM to get
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rid of Warning Message.
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• In next two pages shows the difference of MT6620
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MAC Address Decisioin Flow before and after.
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The latest MT6620 MAC Address Decision Flow
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Wish Customers who
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use MT6620 COB shall write

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NVRAM else pop up a warning
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MAC address is e Yes Apply MAC address
valid in NVRAM l from NVRAM
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MAC address is Yes Apply MAC address
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For those Customers who
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@Pop up warning message. use MT6620 E4 Module can reuse
D SW randomly generates MAC the MAC address provided in eFuse.
address (which was written by Module Makers)
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The obsoleted MT6620 MAC Address Decision Flow
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MAC address isi Yes Apply MAC address
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into NVRAM else
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SW randomly generates MAC
address message.
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