EasyManuals Logo

ST STM32F10 Series User Manual

ST STM32F10 Series
519 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
To Previous Page IconTo Previous Page
To Previous Page IconTo Previous Page
Page #147 background imageLoading...
Page #147 background image
UM0306 Window watchdog (WWDG)
147/519
Figure 23. Window watchdog timing diagram
11.5 Debug mode
When the microcontroller enters debug mode (Cortex-M3 core halted), the WWDG counter
either continues to work normally or stops, depending on DBG_WWDG_STOP configuration
bit in DBG module. For more details, refer to Section 20.15.2: Debug support for timers and
watchdog and bxCAN.
T6 bit
Reset
W[6:0]
T[6:0] CNT downcounter
time
Refresh WindowRefresh not allowed
3Fh
The formula to calculate the timeout value is given by:
where:
T
WWDG
: WWDG timeout
T
PCLK1
: APB1 Clock period measured in ms
Min-max timeout value @36MHz (PCLK1)
WDGTB Min Timeout Value Max Timout Value
0 113 µs 7.28 ms
1 227 µs 14.56 ms
2 455 µs 29.12 ms
3 910 µs 58.25 ms
T
WWDG
T
PCLK1
4096× 2
WDGTB
× T5:0[]1+()×= ms();
www.BDTIC.com/ST

Table of Contents

Other manuals for ST STM32F10 Series

Questions and Answers:

Question and Answer IconNeed help?

Do you have a question about the ST STM32F10 Series and is the answer not in the manual?

ST STM32F10 Series Specifications

General IconGeneral
BrandST
ModelSTM32F10 Series
CategoryMicrocontrollers
LanguageEnglish

Related product manuals