NXP Semiconductors MWCT101 S Series, Reference Manual

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Parameter RAM
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16 Bytes Blocks
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Parameter RAM
CMD Word
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Input Output
CSEc
System Memory
function
processing
time
function
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function
processing
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function
processing
time
KeyID 0x06 0x00 0x00
CMD Word
MAC
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MAC Len MSG Len
Length
KeyID 0x06 0x00
0x01
CMD Word
MAC Len MSG Len
Length
KeyID 0x06 0x00
0x01
CMD Word
MAC Len MSG Len
Length
KeyID 0x06 0x00
0x01
CMD Word
MAC Len MSG Len
Length
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Length
CMD Word Length
CMD Word Length
CMD Word Length
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MAC MAC
Ver Status
Figure 5-5. Message authentication
5.4 Steps required before failure analysis
Before returning a device to NXP for failure analysis, the user must run the
CMD_DBG_CHAL and CMD_DBG_AUTH commands and ensure that all user keys are
deleted. This is a mandatory step to enable failure analysis at NXP.
Steps required before failure analysis
MWCT101xS Series Reference Manual, Rev. 3, 07/2019
86 NXP Semiconductors