SysTick_CALIB

Bit Field

Read/Write

Field Name

Description

31

R

NOREF

Indicates if a reference clock is available

30

R

SKEW

Indicates if calibration value is exactly 10 ms or not

23:0

R

TENMS

SYSTICK counter calibration value for 10 ms. A value of 0 means the calibration value is not available

Bit Field

Field Name

Value Symbol

Value Description

Hex Value

31

NOREF

SYSTICK_NOREF

No external reference clock available

0x1

SYSTICK_REF

External reference clock available

0x0*

30

SKEW

SYSTICK_SKEW

Calibration value is not exactly 10 ms

0x1*

SYSTICK_NOSKEW

Calibration value is exactly 10 ms

0x0