DS80C400 Datasheet, PDF (96/97 Pages) Dallas Semiconductor – DS80C400 Network Microcontroller

DS80C400 Network Microcontroller
REVISION HISTORY
REVISION
111202
New product release.
DESCRIPTION
060203
Replaced “DS2502U-E48” with “DS2502-E48.”
MOVX Characteristics (Nonmultiplexed Address/Data Bus) table: Moved MIN spec for
tPXIZ to MAX column.
Added note for connecting the PHY to the DS80C400: “When 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.”
Updated Figure 12: ROM Code Boot Sequence flowchart.
102103
Corrected PSEN signal in the “Nonmultiplexed, 2-Cycle Data Memory CE0-7 Write”
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 User’s Guide: DS80C400 Supplement was changed to High-
Speed Microcontroller User’s Guide: Network Microcontroller Supplement in all
instances.
060805
Added lead-free part to Ordering Information table.
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