Atmel Xplained Pro Evaluation Kit ATSAMD20-XPRO ATSAMD20-XPRO Data Sheet
Product codes
ATSAMD20-XPRO
48
Atmel | SMART SAM D20 [DATASHEET]
Atmel-42129K–SAM-D20_datasheet–06/2014
12.12 Register Summary
Table 12-7. Register Summary
Offset
Name
Bit
Pos
0x0000
7:0
CE
MBIST
CRC
SWRST
0x0001
7:0
PERR
FAIL
BERR
CRSTEXT
DONE
0x0002
7:0
HPE
DCCD1
DCCD0
DBGPRES
PROT
0x0003
Reserved
0x0004
7:0
ADDR[5:0]
0x0005
15:8
ADDR[13:6]
0x0006
23:16
ADDR[21:14]
0x0007
31:24
ADDR[29:22]
0x0008
7:0
LENGTH[5:0]
0x0009
15:8
LENGTH[13:6]
0x000A
23:16
LENGTH[21:14]
0x000B
31:24
LENGTH[29:22]
0x000C
7:0
DATA[7:0]
0x000D
15:8
DATA[15:8]
0x000E
23:16
DATA[23:16]
0x000F
31:24
DATA[31:24]
0x0010
7:0
DATA[7:0]
0x0011
15:8
DATA[15:8]
0x0012
23:16
DATA[23:16]
0x0013
31:24
DATA[31:24]
0x0014
7:0
DATA[7:0]
0x0015
15:8
DATA[15:8]
0x0016
23:16
DATA[23:16]
0x0017
31:24
DATA[31:24]
0x0018
7:0
DEVSEL[7:0]
0x0019
15:8
DIE[3:0]
REVISION[3:0]
0x001A
23:16
FAMILY[0]
SERIES[5:0]
0x001C
31:24
PROCESSOR[3:0]
FAMILY[4:1]
0x001D
Reserved
...
...
0x00FF
Reserved
0x0100-
0x01FF
External address range:
Replicates the 0x00:0x1C address range,
Gives access to the same resources but with security restrictions when the device is protected.
This address range is the only one accessible externally (using the ARM DAP) when the device is protected.