Atmel Xplained Pro Evaluation Kit ATSAMD20-XPRO ATSAMD20-XPRO Data Sheet
Product codes
ATSAMD20-XPRO
361
Atmel | SMART SAM D20 [DATASHEET]
Atmel-42129K–SAM-D20_datasheet–06/2014
24.8.9 Data
Name:
DATA
Offset:
0x18
Reset:
0x0000
Property:
-
z
Bits 15:9 – 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 8:0 – DATA[8:0]: Data
Reading these bits will return the contents of the Receive Data register. The register should be read only when the
Receive Complete Interrupt Flag bit in the Interrupt Flag Status and Clear register (INTFLAG.RXC) is set. The sta-
tus bits in STATUS should be read before reading the DATA value in order to get any corresponding error.
Reading these bits will return the contents of the Receive Data register. The register should be read only when the
Receive Complete Interrupt Flag bit in the Interrupt Flag Status and Clear register (INTFLAG.RXC) is set. The sta-
tus bits in STATUS should be read before reading the DATA value in order to get any corresponding error.
Writing these bits will write the Transmit Data register. This register should be written only when the Data Register
Empty Interrupt Flag bit in the Interrupt Flag Status and Clear register (INTFLAG.DRE) is set.
Empty Interrupt Flag bit in the Interrupt Flag Status and Clear register (INTFLAG.DRE) is set.
Bit
15
14
13
12
11
10
9
8
DATA[8]
Access
R
R
R
R
R
R
R
R/W
Reset
0
0
0
0
0
0
0
0
Bit
7
6
5
4
3
2
1
0
DATA[7:0]
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