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SAM3U Datasheet, PDF (57/59 Pages) ATMEL Corporation – AT91SAM ARM-based Flash MCU
SAM3U Series
Revision History
In the tables that follow, the most recent version of the document appears first.
“rfo” indicates changes requested during the review and approval loop.
Doc. Rev
6430ES
Comments
Change
Request
Ref.
Comment in front of rows PA24 and PA25 removed, and put as a footnote(3) for TWD1 and TWCK1.
Figure 5-5, “Fast Start-Up Sources”, ‘Falling/Rising Edge Detector’ changed to ‘High/Low Level Detector’ in 3
blocks.
Table 11-2, “Multiplexing on PIO Controller A (PIOA)”, “Peripheral B” column, PA2 and PA17 texts
exchanged.
7724
7922
7954
Doc. Rev
6430DS
Comments
Table 3-1, “Signal Description List”, Note (4) added to TDO Output.
TWD1 and TWCK1 removed from Figure 2-2, “100-pin SAM3U4/2/1C Block Diagram”.
Section 10.13 ”Chip Identification”, (Rev A) was removed from Table 10-1.
Section 5.5.2 ”Wait Mode”, sentence starting with ‘By configuring...’ --> ‘This is done by configuring...’
A typo fixed in Section 9.1.1 ”Internal SRAM”: 4224 Kbytes --> 4224 bytes.
Backpage, a typo fixed: ‘tehincal’ --> ‘technical’
Change
Request
Ref.
7635
7624
7642
7492
7305
7536
Doc. Rev
6430CS
Comments
Change
Request
Ref.
Section 2. ”SAM3U Block Diagram”, changed orientation of block diagrams.
Section 5. ”Power Considerations”, fixed grammar in Voltage ranges.
Section 3. ”Signal Description”, USART signal DCD0 is an Input
rfo
6681
Figure 5-1 ”Single Supply”, Main supply range is 1.8V-3.6V.
6698
Figure 5-1, Figure 5-2, Figure 5-3, updated “Note” below figures, “With Main Supply <2.0V USB and ADC are
not usable.
Section 5.5 ”Low Power Modes”, stray references to WUPx pins, renamed WKUPx
6711
Table 5-1, “Low Power Mode Configuration Summary”, updated footnote “5”.
6964
Table 11-2, “Multiplexing on PIO Controller A (PIOA)”, TWD1 and TWCK1 only available on 144-pin version. 6686
Section 10.13 ”Chip Identification”
Table 10-2, “SAM3U Chip IDs Register - Revision A Parts”, added to datasheet.
Section 12.4 ”Universal Synchronous Asynchronous Receiver Transmitter (USART)”...“SCK up to MCK/6”
6951
rfo→7097
57
6430ES–ATARM–22-Aug-11