Atmel Xplained Pro Evaluation Kit for the ATSAMD21J18A Microcontroller ATSAMD21-XPRO ATSAMD21-XPRO Data Sheet
Product codes
ATSAMD21-XPRO
537
Atmel | SMART SAM D21 [DATASHEET]
Atmel-42181C–SAM-D21_Datasheet–07/2014
27.8.1.8 Address
Name:
ADDR
Offset:
0x24
Reset:
0x00000000
Property:
Write-Protected, Enable-Protected
z
Bits 31:27 – Reserved
These bits are unused and reserved for future use. For compatibility with future devices, always write these bits to
zero when this register is written. These bits will always return zero when read.
These bits are unused and reserved for future use. For compatibility with future devices, always write these bits to
zero when this register is written. These bits will always return zero when read.
z
Bits 26:17 – ADDRMASK[9:0]: Address Mask
The ADDRMASK bits acts as a second address match register, an address mask register or the lower limit of an
address range, depending on the CTRLB.AMODE setting.
The ADDRMASK bits acts as a second address match register, an address mask register or the lower limit of an
address range, depending on the CTRLB.AMODE setting.
z
Bit 16– Reserved
This bit is unused and reserved for future use. For compatibility with future devices, always write this bit to zero
when this register is written. This bit will always return zero when read.
This bit is unused and reserved for future use. For compatibility with future devices, always write this bit to zero
when this register is written. This bit will always return zero when read.
z
Bit 15– TENBITEN: Ten Bit Addressing Enable
Writing a one to TENBITEN enables 10-bit address recognition.
0: 10-bit address recognition disabled.
1: 10-bit address recognition enabled.
Writing a one to TENBITEN enables 10-bit address recognition.
0: 10-bit address recognition disabled.
1: 10-bit address recognition enabled.
z
Bits 14:11 – Reserved
These bits are unused and reserved for future use. For compatibility with future devices, always write these bits to
zero when this register is written. These bits will always return zero when read.
These bits are unused and reserved for future use. For compatibility with future devices, always write these bits to
zero when this register is written. These bits will always return zero when read.
Bit
31
30
29
28
27
26
25
24
ADDRMASK[9:7]
Access
R
R
R
R
R
R/W
R/W
R/W
Reset
0
0
0
0
0
0
0
0
Bit
23
22
21
20
19
18
17
16
ADDRMASK[6:0]
Access
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R
Reset
0
0
0
0
0
0
0
0
Bit
15
14
13
12
11
10
9
8
TENBITEN
ADDR[9:7]
Access
R/W
R
R
R
R
R/W
R/W
R/W
Reset
0
0
0
0
0
0
0
0
Bit
7
6
5
4
3
2
1
0
ADDR[6:0]
GENCEN
Access
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Reset
0
0
0
0
0
0
0
0