Atmel SAM4L-EK Atmel ATSAM4L-EK ATSAM4L-EK Data Sheet
Product codes
ATSAM4L-EK
473
42023E–SAM–07/2013
ATSAM4L8/L4/L2
19.6.14
Digital Tuner Register
Name: DTR
Access Type:
Read/Write
Offset:
0x44
Reset Value:
0x00000000
When the SR.BUSY bit is set writes to this register will be discarded and this register will read as zero.
• VALUE:
0: The frequency is unchanged.
1-255: The frequency will be adjusted according to the formula below.
• ADD:
0: The resulting frequency is
for .
1: The resulting frequency is
for .
• EXP:
The frequency will be adjusted according to the formula above.
31
30
29
28
27
26
25
24
-
-
-
-
-
-
-
-
23
22
21
20
19
18
17
16
-
-
-
-
-
-
-
-
15
14
13
12
11
10
9
8
VALUE
7
6
5
4
3
2
1
0
-
-
ADD
EXP
f0 1
1
roundup
256
VALUE
--------------------
⎝
⎠
⎛
⎞
2
EXP
(
)
⋅
1
+
-------------------------------------------------------------------------------
–
⎝
⎠
⎜
⎟
⎜
⎟
⎜
⎟
⎛
⎞
VALUE
0
>
f0 1
1
roundup
256
VALUE
--------------------
⎝
⎠
⎛
⎞
2
EXP
(
)
⋅
1
–
-------------------------------------------------------------------------------
+
⎝
⎠
⎜
⎟
⎜
⎟
⎜
⎟
⎛
⎞
VALUE
0
>