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STMicroelectronics STM32F05 series User Manual

STMicroelectronics STM32F05 series
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Contents RM0091
6/742 Doc ID 018940 Rev 1
9.1.2 SYSCFG external interrupt configuration register 1
(SYSCFG_EXTICR1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 136
9.1.3 SYSCFG external interrupt configuration register 2
(SYSCFG_EXTICR2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 138
9.1.4 SYSCFG external interrupt configuration register 3
(SYSCFG_EXTICR3) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 138
9.1.5 SYSCFG external interrupt configuration register 4
(SYSCFG_EXTICR4) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 139
9.1.6 SYSCFG configuration register 2 (SYSCFG_CFGR2) . . . . . . . . . . . . 139
9.1.7 SYSCFG register maps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 140
10 Direct memory access controller (DMA) . . . . . . . . . . . . . . . . . . . . . . . 142
10.1 DMA introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 142
10.2 DMA main features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 142
10.3 DMA functional description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 143
10.3.1 DMA transactions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 143
10.3.2 Arbiter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 144
10.3.3 DMA channels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 144
10.3.4 Programmable data width, data alignment and endians . . . . . . . . . . . 146
10.3.5 Error management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 147
10.3.6 Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 147
10.3.7 DMA request mapping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 147
10.4 DMA registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150
10.4.1 DMA interrupt status register (DMA_ISR) . . . . . . . . . . . . . . . . . . . . . . 150
10.4.2 DMA interrupt flag clear register (DMA_IFCR) . . . . . . . . . . . . . . . . . . 151
10.4.3 DMA channel x configuration register (DMA_CCRx) (x = 1..5,
where x = channel number) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 152
10.4.4 DMA channel x number of data register (DMA_CNDTRx) (x = 1..5),
where x = channel number) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 153
10.4.5 DMA channel x peripheral address register (DMA_CPARx) (x = 1..5),
where x = channel number) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 154
10.4.6 DMA channel x memory address register (DMA_CMARx) (x = 1..5),
where x = channel number) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 154
10.4.7 DMA register map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 155
11 Interrupts and events . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 157
11.1 Nested vectored interrupt controller (NVIC) . . . . . . . . . . . . . . . . . . . . . . 157
11.1.1 NVIC main features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 157
11.1.2 SysTick calibration value register . . . . . . . . . . . . . . . . . . . . . . . . . . . . 157

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STMicroelectronics STM32F05 series Specifications

General IconGeneral
BrandSTMicroelectronics
ModelSTM32F05 series
CategoryMicrocontrollers
LanguageEnglish

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