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DS80C400_07 Datasheet, PDF (96/97 Pages) Maxim Integrated Products – Network Microcontroller | |||
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DS80C400 Network Microcontroller
REVISION HISTORY
REVISION
111202
New product release.
DESCRIPTION
060203
102103
Replaced âDS2502U-E48â with âDS2502-E48.â
MOVX Characteristics (Nonmultiplexed Address/Data Bus) table: Moved MIN spec for
tPXIZ to MAX column.
Added note for connecting the PHY to the DS80C400: âWhen connecting the DS80C400
to an external PHY, do not connect the RSTOL to the reset of the PHY. Doing so may
disable the Ethernet transmit.â
Updated Figure 12: ROM Code Boot Sequence flowchart.
Corrected PSEN signal in the âNonmultiplexed, 2-Cycle Data Memory CE0-7 Writeâ
timing diagram.
Corrected PT2/PT3 references in Table 21 and Table 28.
111704
Clarified where approperiate the operation of the device when ROM is disabled.
Clarified the system requirements when using TINI ROM firmware.
Modified Figure 12: ROM Code Boot Sequence to better explain action of the DS80C400
when it is searching for ROM code.
High-Speed Microcontroller Userâs Guide: DS80C400 Supplement was changed to High-
Speed Microcontroller Userâs Guide: Network Microcontroller Supplement in all
instances.
060805
010907
Added lead-free part to Ordering Information table.
Added notes explaining that the system clock must be > 25MHz to support Ethernet
100Mbps mode (pages 49 and 69).
Corrected BCUD SFR address in Buffer Control Unit section (page 50).
Updated package drawing (page 97).
96 of 97
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