Atmel SAM4L Xplained Pro Starter Kit Atmel ATSAM4L-XSTK ATSAM4L-XSTK 数据表
产品代码
ATSAM4L-XSTK
529
42023E–SAM–07/2013
ATSAM4L8/L4/L2
22.6.3
Status Register
Name: STATUS
Access Type:
Read-only
Offset: 0x008
Reset Value:
0x00000000
• RCLKBUSY: FREQM Reference Clock Status
0: The FREQM ref clk is ready, so a measurement can start.
1: The FREQM ref clk is not ready, so a measurement should not be started.
• BUSY: FREQM Status
0: The Frequency Meter is idle.
1: Frequency measurement is on-going.
31
30
29
28
27
26
25
24
-
-
-
-
-
-
-
-
23
22
21
20
19
18
17
16
-
-
-
-
-
-
-
-
15
14
13
12
11
10
9
8
-
-
-
-
-
-
-
-
7
6
5
4
3
2
1
0
-
-
-
-
-
-
RCLKBUSY
BUSY