EasyManuals Logo

ST STM32F101xx User Manual

ST STM32F101xx
1096 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 #6 background imageLoading...
Page #6 background image
Contents RM0008
6/1096 Doc ID 13902 Rev 12
9.3.2 Using OSC_IN/OSC_OUT pins as GPIO ports PD0/PD1 . . . . . . . . . . 169
9.3.3 CAN1 alternate function remapping . . . . . . . . . . . . . . . . . . . . . . . . . . . 170
9.3.4 CAN2 alternate function remapping . . . . . . . . . . . . . . . . . . . . . . . . . . . 170
9.3.5 JTAG/SWD alternate function remapping . . . . . . . . . . . . . . . . . . . . . . 170
9.3.6 ADC alternate function remapping . . . . . . . . . . . . . . . . . . . . . . . . . . . . 171
9.3.7 Timer alternate function remapping . . . . . . . . . . . . . . . . . . . . . . . . . . . 172
9.3.8 USART alternate function remapping . . . . . . . . . . . . . . . . . . . . . . . . . 174
9.3.9 I2C1 alternate function remapping . . . . . . . . . . . . . . . . . . . . . . . . . . . . 175
9.3.10 SPI1 alternate function remapping . . . . . . . . . . . . . . . . . . . . . . . . . . . 175
9.3.11 SPI3/I2S3 alternate function remapping . . . . . . . . . . . . . . . . . . . . . . . 175
9.3.12 Ethernet alternate function remapping . . . . . . . . . . . . . . . . . . . . . . . . 175
9.4 AFIO registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 176
9.4.1 Event control register (AFIO_EVCR) . . . . . . . . . . . . . . . . . . . . . . . . . . 177
9.4.2 AF remap and debug I/O configuration register (AFIO_MAPR) . . . . . . 178
9.4.3 External interrupt configuration register 1 (AFIO_EXTICR1) . . . . . . . . 184
9.4.4 External interrupt configuration register 2 (AFIO_EXTICR2) . . . . . . . . 184
9.4.5 External interrupt configuration register 3 (AFIO_EXTICR3) . . . . . . . . 185
9.4.6 External interrupt configuration register 4 (AFIO_EXTICR4) . . . . . . . . 185
9.4.7 AF remap and debug I/O configuration register2 (AFIO_MAPR2) . . . . 186
9.5 GPIO and AFIO register maps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 187
10 Interrupts and events . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 189
10.1 Nested vectored interrupt controller (NVIC) . . . . . . . . . . . . . . . . . . . . . . 189
10.1.1 SysTick calibration value register . . . . . . . . . . . . . . . . . . . . . . . . . . . . 189
10.1.2 Interrupt and exception vectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 189
10.2 External interrupt/event controller (EXTI) . . . . . . . . . . . . . . . . . . . . . . . . 197
10.2.1 Main features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 197
10.2.2 Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 197
10.2.3 Wakeup event management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 198
10.2.4 Functional description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 198
10.2.5 External interrupt/event line mapping . . . . . . . . . . . . . . . . . . . . . . . . . 199
10.3 EXTI registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 201
10.3.1 Interrupt mask register (EXTI_IMR) . . . . . . . . . . . . . . . . . . . . . . . . . . . 201
10.3.2 Event mask register (EXTI_EMR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 201
10.3.3 Rising trigger selection register (EXTI_RTSR) . . . . . . . . . . . . . . . . . . 202
10.3.4 Falling trigger selection register (EXTI_FTSR) . . . . . . . . . . . . . . . . . . 202
10.3.5 Software interrupt event register (EXTI_SWIER) . . . . . . . . . . . . . . . . . 203

Table of Contents

Questions and Answers:

Question and Answer IconNeed help?

Do you have a question about the ST STM32F101xx and is the answer not in the manual?

ST STM32F101xx Specifications

General IconGeneral
BrandST
ModelSTM32F101xx
CategoryMicrocontrollers
LanguageEnglish

Related product manuals