AT91M40400-25C ATMEL Corporation, AT91M40400-25C Datasheet - Page 113

• Manufacturer Part Number: AT91M40400-25C
• Description: 16/32-bit Microcontroller, 2.7V to 3.6V Operating Range
• Manufacturer: ATMEL Corporation

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0 = Chip ID has a single register definition without extensions
1 = An extended Chip ID exists (to be defined in the future).
Chip ID Extension Register
Register Name:
Access Type:
This register is reserved for future use. It will be defined when needed.
NVDSIZ: Non Volatile Data Memory Size
VDSIZ: Volatile Data Memory Size
ARCH: Chip Architecture
Code of Architecture: Two BCD digits.
NVPTYP: Non Volatile Program Memory Type
EXT: Extension Flag
0
0
0
0
0
1
0
0
0
0
1
0100 0000
NVPTYP
0
0
0
0
1
0
0
0
1
1
x
NVDSIZ
Others
VDSIZ
Others
0
0
0
1
0
0
0
1
0
1
x
SF_EXID
Read only
Type
Reserved
‘M’ Series (Mask ROM or ROM less)
‘C’ Series (Programmable Flash through Parallel Port)
‘S’ Series (Programmable Flash through Serial Port)
Reserved
0
0
1
0
0
0
AT91x40yyy
Size
None
Reserved
Size
None
1K bytes
2K bytes
4K bytes
8K bytes
Reserved
AT91M40400
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