SAM3N00A Atmel Corporation, SAM3N00A Datasheet - Page 377
SAM3N00A
Manufacturer Part Number
SAM3N00A
Description
Manufacturer
Atmel Corporation
- Current page: 377 of 752
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25. Chip Identifier (CHIPID)
25.1
11011A–ATARM–04-Oct-10
11011A–ATARM–04-Oct-10
Description
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 25-1.
• 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
ATSAM3N4C (Rev A)
ATSAM3N2C (Rev A)
ATSAM3N1C (Rev A)
ATSAM3N4B (Rev A)
ATSAM3N2B (Rev A)
ATSAM3N1B (Rev A)
ATSAM3N4A (Rev A)
ATSAM3N2A (Rev A)
ATSAM3N1A (Rev A)
Chip Name
ATSAM3N Chip IDs Register
CHIPID_CIDR
0x29540960
0x29590760
0x29580560
0x29440960
0x29490760
0x29480560
0x29340960
0x29390760
0x29380560
CHIPID_EXID
0x0
0x0
0x0
0x0
0x0
0x0
0x0
0x0
0x0
SAM3N
SAM3N
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