Краткое содержание изменений:
Added note to ”Description” page 3
TC: added Figure 32-2 ”Clock Chaining Selection” page 393
SAM-BA Boot: Section 22.5.3 ”USB Device Port” reference to INF example and lit°6123 removed. (Doc
no longer available on web.)
UDP: Table 34-2, “USB Communication Flow, Isochronous supported endpoint size is 64.

Errata: items added to the Errata Sections listed below.
Section 39.3 ”AT91SAM7S256 Errata - Manufacturing Number 58818C”
Section 39.4 ”AT91SAM7S256 Errata - Revision A Parts”
Section 39.5 ”AT91SAM7S128 Errata - Manufacturing Number 58818C”
Section 39.6 ”AT91SAM7S128 Errata - Revision A Parts”
Watchdog Timer: ”The Watchdog Timer May Lock the Device in a Reset State”
Real-time Timer: “RTT_VR May be Corrupted”
Powe Management Controller: “Slow Clock Selected in PMC and a Transition Occurs on PA1” and
“Programming CSS in PMC_MCKR Register”

Хе, на watchdog я пожалуй наступал - думал плата бракованная