AT91M40400 View Datasheet(PDF) - Atmel Corporation
Part Name
Description
MFG CO.
'AT91M40400' PDF : 116 Pages View PDF
• NVDSIZ: Non Volatile Data Memory Size
NVDSIZ
Size
0
0
0
0 None
Others
Reserved
• VDSIZ: Volatile Data Memory Size
VDSIZ
Size
0
0
0
0 None
0
0
0
1 1K bytes
0
0
1
0 2K bytes
0
1
0
0 4K bytes
1
0
0
0 8K bytes
Others
Reserved
• ARCH: Chip Architecture
Code of Architecture: Two BCD digits.
0100 0000
AT91x40yyy
• NVPTYP: Non Volatile Program Memory Type
NVPTYP
0
0
0
0
0
1
0
1
0
0
1
1
1
x
x
Type
Reserved
‘M’ Series (Mask ROM or ROM less)
‘C’ Series (Programmable Flash through Parallel Port)
‘S’ Series (Programmable Flash through Serial Port)
Reserved
• EXT: Extension Flag
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:
SF_EXID
Read only
This register is reserved for future use. It will be defined when needed.
AT91M40400
113
Share Link: 
