SAM3X8C Atmel Corporation, SAM3X8C Datasheet - Page 194

• Manufacturer Part Number: SAM3X8C
• Manufacturer: Atmel Corporation

11.22.4
• NOREF
Reads as zero.
• SKEW
Reads as zero
• TENMS
Read as 0x0002904. The SysTick calibration value is fixed at 0x0002904 (10500), which allows the generation of a time
base of 1 ms with SysTick clock at 10.5 MHz (84/8 = 10.5 MHz)
11.22.5
194
194
NOREF
31
23
15
7
SAM3X/A
SAM3X/A
SysTick Calibration Value Register
SysTick design hints and tips
SKEW
30
22
14
6
The CALIB register indicates the SysTick calibration properties. See the register summary in
Table 11-33 on page 190
The SysTick counter runs on the processor clock. If this clock signal is stopped for low power
mode, the SysTick counter stops.
Ensure software uses aligned word accesses to access the SysTick registers.
29
21
13
5
for its attributes. The bit assignments are:
28
20
12
4
TENMS
TENMS
TENMS
27
19
11
3
Reserved
26
18
10
2
25
17
9
1
11057A–ATARM–17-Feb-12
11057A–ATARM–17-Feb-12
24
16
8
0