Atmel ARM-Based Evaluation Kit AT91SAM9N12-EK AT91SAM9N12-EK Data Sheet
Product codes
AT91SAM9N12-EK
278
SAM9N12/SAM9CN11/SAM9CN12 [DATASHEET]
11063K–ATARM–05-Nov-13
24.6.10 Debug Unit Chip ID Register
Name:
DBGU_CIDR
Address:
0xFFFFF240
Access:
Read-only
• VERSION: Version of the Device
Values depend upon the version of the device.
• EPROC: Embedded Processor
• NVPSIZ: Nonvolatile Program Memory Size
31
30
29
28
27
26
25
24
EXT
NVPTYP
ARCH
23
22
21
20
19
18
17
16
ARCH
SRAMSIZ
15
14
13
12
11
10
9
8
NVPSIZ2
NVPSIZ
7
6
5
4
3
2
1
0
EPROC
VERSION
Value
Name
Description
1
ARM946ES
ARM946ES
2
ARM7TDMI
ARM7TDMI
3
CM3
Cortex-M3
4
ARM920T
ARM920T
5
ARM926EJS
ARM926EJS
Value
Name
Description
0
NONE
None
1
8K
8 Kbytes
2
16K
16 Kbytes
3
32K
32 Kbytes
4
–
Reserved
5
64K
64 Kbytes
6
–
Reserved
7
128K
128 Kbytes
8
–
Reserved
9
256K
256 Kbytes
10
512K
512 Kbytes
11
–
Reserved
12
1024K
1024 Kbytes
13
–
Reserved
14
2048K
2048 Kbytes
15
–
Reserved