SAM3X8E Atmel Corporation, SAM3X8E Datasheet - Page 585

• Manufacturer Part Number: SAM3X8E
• Manufacturer: Atmel Corporation

29. Chip Identifier (CHIPID)
29.1
29.2
11057A–ATARM–17-Feb-12
11057A–ATARM–17-Feb-12
Description
Embedded Characteristics
Chip Identifier registers permit recognition of the device and its revision. These registers provide
the sizes and types of the on-chip memories, as well as the set of embedded peripherals.
Two chip identifier registers are embedded: CHIPID_CIDR (Chip ID Register) and CHIPID_EXID
(Extension ID). Both registers contain a hard-wired value that is read-only. The first register con-
tains the following fields:
The second register is device-dependent and reads 0 if the bit EXT is 0.
Table 29-1.
• EXT - shows the use of the extension identifier register
• NVPTYP and NVPSIZ - identifies the type of embedded non-volatile memory and its size
• ARCH - identifies the set of embedded peripherals
• SRAMSIZ - indicates the size of the embedded SRAM
• EPROC - indicates the embedded ARM processor
• VERSION - gives the revision of the silicon
• Chip ID Registers
– Identification of the Device Revision, Sizes of the Embedded Memories, Set of
ATSAM3X8H (Rev A)
ATSAM3X8E (Rev A)
ATSAM3X4E (Rev A)
ATSAM3X8C (Rev A)
ATSAM3X4C (Rev A)
ATSAM3A8C (Rev A)
ATSAM3A4C (Rev A)
Peripherals, Embedded Processor
Chip Name
ATSAM3A/X Chip IDs Register
CHIPID_CIDR
0x286E0A60
0x285E0A60
0x284E0A60
0x283E0A60
0x285B0960
0x284B0960
0x283B0960
CHIPID_EXID
0x0
0x0
0x0
0x0
0x0
0x0
0x0
SAM3X/A
SAM3X/A
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