MC9S12NE64_06 Datasheet, PDF (329/554 Pages) Freescale Semiconductor, Inc – Microcontrollers

Memory Map and Register Descriptions
is normally stored in nonvolatile memory and copied to the MAC address register during initialization by
user software.
Read: Anytime.
Write: Once after a hardware or software reset, but the user must not change this field while EMACE is set.
Module Base + $28
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MACAD[47:32]
RESET: 0
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Module Base + $2A
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MACAD[31:16]
RESET: 0
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Module Base + $2C
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MACAD[15:0]
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RESET: 0
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Figure 11-21. MAC Address (MACAD)
MACAD — MAC Unicast Address
11.3.2.21 Miscellaneous (EMISC)
The miscellaneous (EMISC) register provides visibility of internal counters used by the EMAC.
Read: Anytime.
Write: Anytime for the INDEX field and never for the MISC field.
Module Base + $2E
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INDEX
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MISC
RESET: 0
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= Unimplemented or Reserved
Figure 11-22. Miscellaneous (EMISC)
INDEX — Miscellaneous Index
This 3-bit field selects different counters to be read in the MISC field.
MC9S12NE64 Data Sheet, Rev. 1.1
Freescale Semiconductor
329