MCBSTM32EXL Keil, MCBSTM32EXL Datasheet - Page 13
MCBSTM32EXL
Manufacturer Part Number
MCBSTM32EXL
Description
BOARD EVALUATION FOR STM32F103ZE
Manufacturer
Keil
Specifications of MCBSTM32EXL
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
- Current page: 13 of 995
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RM0008
16
17
18
Real-time clock (RTC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 387
16.1
16.2
16.3
16.4
Independent watchdog (IWDG) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 399
17.1
17.2
17.3
17.4
Window watchdog (WWDG) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 404
IWDG functional description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 399
15.4.8
15.4.9
RTC introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 387
RTC main features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 388
RTC functional description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 388
16.3.1
16.3.2
16.3.3
16.3.4
16.3.5
RTC registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 392
16.4.1
16.4.2
16.4.3
16.4.4
16.4.5
16.4.6
16.4.7
IWDG introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 399
IWDG main features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 399
17.3.1
17.3.2
17.3.3
IWDG registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 401
17.4.1
17.4.2
17.4.3
17.4.4
17.4.5
TIM6&TIM7 auto-reload register (TIMx_ARR) . . . . . . . . . . . . . . . . . . . 385
TIM6&TIM7 register map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 386
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 388
Resetting RTC registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 390
Reading RTC registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 390
Configuring RTC registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 390
RTC flag assertion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 391
RTC control register high (RTC_CRH) . . . . . . . . . . . . . . . . . . . . . . . . 392
RTC control register low (RTC_CRL) . . . . . . . . . . . . . . . . . . . . . . . . . . 393
RTC prescaler load register (RTC_PRLH / RTC_PRLL) . . . . . . . . . . . 394
RTC prescaler divider register (RTC_DIVH / RTC_DIVL) . . . . . . . . . . 395
RTC counter register (RTC_CNTH / RTC_CNTL) . . . . . . . . . . . . . . . . 396
RTC alarm register high (RTC_ALRH / RTC_ALRL) . . . . . . . . . . . . . . 397
RTC register map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 398
Hardware watchdog . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 400
Register access protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 400
Debug mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 400
Key register (IWDG_KR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 401
Prescaler register (IWDG_PR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 401
Reload register (IWDG_RLR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 402
Status register (IWDG_SR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 402
IWDG register map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 403
Doc ID 13902 Rev 9
Contents
13/995
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