Atmel SAM4S Xplained Pro Starter Kit Atmel ATSAM4S-XSTK ATSAM4S-XSTK Hoja De Datos
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Los códigos de productos
ATSAM4S-XSTK
212
SAM4S [DATASHEET]
11100E–ATARM–24-Jul-13
12.10.1.3SysTick Current Value Register
Name:
SYST_CVR
Access: Read-write
Reset: 0x000000000
The SysTick SYST_CVR register contains the current value of the SysTick counter.
• CURRENT
Reads return the current value of the SysTick counter.
A write of any value clears the field to 0, and also clears the SYST_CSR.COUNTFLAG bit to 0.
31
30
29
28
27
26
25
24
–
23
22
21
20
19
18
17
16
CURRENT
15
14
13
12
11
10
9
8
CURRENT
7
6
5
4
3
2
1
0
CURRENT