Datasheet

544
SAM4S Series [DATASHEET]
11100F–ATARM–29-Jan-14
30.3.1 Chip ID Register
Name: CHIPID_CIDR
Address: 0x400E0740
Access: Read-only
• VERSION: Version of the Device
Current 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
76543210
EPROC VERSION
Value Name Description
1 ARM946ES ARM946ES
2 ARM7TDMI ARM7TDMI
3 CM3 Cortex-M3
4 ARM920T ARM920T
5 ARM926EJS ARM926EJS
6 CA5 Cortex-A5
7 CM4 Cortex-M4
Value Name Description
0NONE None
18K 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