Atmel Xplained Pro Evaluation Kit ATSAM4E-XPRO ATSAM4E-XPRO データシート
製品コード
ATSAM4E-XPRO
SAM4E [DATASHEET]
Atmel-11157D-ATARM-SAM4E16-SAM4E8-Datasheet_12-Jun-14
648
32.
Chip Identifier (CHIPID)
32.1
Description
Chip Identifier (CHIPID) 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.
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 contains the following fields:
Both registers contain a hard-wired value that is read-only. The first register contains the following fields:
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
The second register is device-dependent and reads 0 if the bit EXT is 0.
32.2
Embedded Characteristics
Chip ID Registers
̶
Identification of the Device Revision, Sizes of the Embedded Memories, Set of Peripherals,
Embedded Processor
Embedded Processor
Table 32-1.
SAM4E Chip IDs Registers
Chip Name
CHIPID_CIDR
CHIPID_EXID
SAM4E16E
0xA3CC_0CE0
0x0012_0200
SAM4E8E
0xA3CC_0CE0
0x0012_0208
SAM4E16C
0xA3CC_0CE0
0x0012_0201
SAM4E8C
0xA3CC_0CE0
0x0012_0209