Datasheet
SAM3X / SAM3A [DATASHEET]
Atmel-11057C-ATARM-SAM3X-SAM3A-Datasheet_23-Mar-15
1446
23-Mar-15
Section 7. “Memories”
Inserted Section 7.1 “Product Mapping” (was previously section 8. “Product Mapping”)
Updated Section 7.2.1 “Internal SRAM”
Section 7.2.2 “Internal ROM”: changed “At any time, the ROM is mapped at address 0x0018 0000” to “At any time, the
ROM is mapped at address 0x0010 0000”
Updated Section 7.2.3.10 “GPNVM Bits”
Section 7.2.4 “Boot Strategies”: deleted sentence “The GPNVM bit can be cleared or set respectively through the
“Clear General-purpose NVM Bit” and “Set General-purpose NVM Bit” commands of the EEFC User Interface” (this
information is already provided in Section 7.2.3.10 “GPNVM Bits”)
Section 8. “System Controller”
Removed Figure 10-1. “System Controller Block Diagram” (redundant with Figure 16-1 “Supply Controller Block
Diagram”)
Section 9. “Peripherals”
Table 9-2 ”Multiplexing on PIO Controller A (PIOA)”: added footnotes providing information on selecting extra functions
Table 9-3 ”Multiplexing on PIO Controller B (PIOB)”: deleted “See the notes” from the ‘Comments’ column for rows
PB0–PB9; added footnotes providing information on selecting extra functions
Table 9-4 ”Multiplexing on PIO Controller C (PIOC)”: added footnote providing information on selecting ERASE as
extra function
Section 11. “Debug and Test Features”
Section 11.5.2 “Debug Architecture”: corrected “Cortex-M3 embeds four functional units” to “Cortex-M3 embeds five
functional units”
Section 20. “SAM3X/A Boot Program”
Section 20.4.3 “USB Device Port”:
- in first paragraph, replaced “from Windows 98SE to Windows XP” with “beginning with Windows 98SE”
- updated link to www.usb.org
- deleted sentence “Unauthorized use of assigned or unassigned USB Vendor ID Numbers and associated Product ID
Numbers is strictly prohibited”
Section 20.4.4 “In Application Programming (IAP) Feature”: replaced two instances of “MC_FSR register” with
“EEFC_FSR”; changed “by reading the NMI vector in ROM (0x00800008)” to “by reading the NMI vector in ROM
(0x00100008)”
Section 23. “External Memory Bus”
Table 23-3 ”EBI Pins and External Static Device Connections”: edited and reorganized column headers
Section 23.8 “Implementation Examples”: reorganized contents
Section 36. “Timer Counter (TC)”
Throughout, replaced instances of “Master clock” or “MCK” d with “peripheral clock”
Throughout, replaced instances of ‘quadrature decoder logic’ with ‘quadrature decoder’ or ‘QDEC’
Section 36.1 “Description”: rewrote text; in second paragraph, TIOA1 replaced with TIOB1; removed Table 37-1. “Timer
Counter Clock Assignment”
Section 36.2 “Embedded Characteristics”:
- corrected number of TC channels from “Three” to “9”
- changed “Two Multi-purpose Input/Output Signals” to “Two multi-purpose input/output signals acting as trigger event”
- deleted “Two global registers that act on all TC channels”
- changed “Configuration Registers can be write protected” to “Register Write Protection”
Section 36.3 “Block Diagram”: inserted Table 36-1 ”Timer Counter Clock Assignment” (was previously in Section 36.1
“Description”) and updated table footnote
Table 50-1. SAM3X/SAM3A Datasheet Rev. 11057C Revision History (Continued)
Issue Date Comments










