Atmel SAM4L-EK Atmel ATSAM4L-EK ATSAM4L-EK Data Sheet
Product codes
ATSAM4L-EK
Page
42023E–SAM–07/2013
ATSAM4L8/L4/L2
9.3.1
Chip ID Register
Name:
CIDR
Access:
Read-only
Offset:
0x0
Reset Value:
-
• EXT: Extension Flag
0 = Chip ID has a single register definition without extension
1 = An extended Chip ID exists.
• NVPTYP: Nonvolatile Program Memory Type
31
30
29
28
27
26
25
24
EXT
NVPTYP
ARCH[7:4]
23
22
21
20
19
18
17
16
ARCH[3:0]
SRAMSIZ
15
14
13
12
11
10
9
8
NVPSIZ2
NVPSIZ
7
6
5
4
3
2
1
0
EPROC
VERSION
Value
Name
Description
0
ROM
ROM
1
ROMLESS
ROMless or on-chip Flash
4
SRAM
SRAM emulating ROM
2
FLASH
Embedded Flash Memory
3
ROM_FLASH
ROM and Embedded Flash Memory
NVPSIZ is ROM size
NVPSIZ2 is Flash size
NVPSIZ2 is Flash size