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AT91 Datasheet(PDF) 95 Page - ATMEL Corporation

Part # AT91
Description  ARM® Thumb® Microcontrollers
PDF  153 Pages
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Manufacturer  ATMEL [ATMEL Corporation]
Direct Link  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

AT91 Datasheet(HTML) 95 Page - ATMEL Corporation

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95
AT91X40 Series
1354D–ATARM–08/02
Chip ID Register
Register Name: SF_CIDR
Access Type:
Read Only
Reset Value:
Hardwired
Offset:
0x00
• VERSION: Version of the chip (Code Label SF_VERSION)
This value is incremented by one with each new version of the chip (from zero to a maximum value of 31).
• NVPSIZ: Non Volatile Program Memory Size
• NVDSIZ: Non Volatile Data Memory Size
31
30
29
28
27
26
25
24
EXT
NVPTYP
ARCH
23
22
21
20
19
18
17
16
ARCH
VDSIZ
15
14
13
12
11
10
9
8
NVDSIZ
NVPSIZ
76
54
32
10
01
0
VERSION
NVPSIZ
Size
Code Label
SF_NVPSIZ
0
000
None
SF_NVPSIZ_NONE
0
011
32K bytes
SF_NVPSIZ_32K
0
101
64K bytes
SF_NVPSIZ_64K
0
111
128K bytes
SF_NVPSIZ_128K
1
001
256K bytes
SF_NVPSIZ_256K
Others
Reserved
–
NVDSIZ
Size
Code Label
SF_NVDSIZ
0
000
None
SF_NVDSIZ_NONE
Others
Reserved
–



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