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ST STM32F412

ST STM32F412
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RM0402 Rev 6 5/1163
RM0402 Contents
31
6.3.4 RCC clock interrupt register (RCC_CIR) . . . . . . . . . . . . . . . . . . . . . . . 128
6.3.5 RCC AHB1 peripheral reset register (RCC_AHB1RSTR) . . . . . . . . . . 130
6.3.6 RCC AHB2 peripheral reset register (RCC_AHB2RSTR) . . . . . . . . . 132
6.3.7 RCC AHB3 peripheral reset register (RCC_AHB3RSTR) . . . . . . . . . . 133
6.3.8 RCC APB1 peripheral reset register for (RCC_APB1RSTR) . . . . . . . . 133
6.3.9 RCC APB2 peripheral reset register (RCC_APB2RSTR) . . . . . . . . . . 136
6.3.10 RCC AHB1 peripheral clock enable register (RCC_AHB1ENR) . . . . . 138
6.3.11 RCC AHB2 peripheral clock enable register (RCC_AHB2ENR) . . . . . 140
6.3.12 RCC AHB3 peripheral clock enable register (RCC_AHB3ENR) . . . . . 141
6.3.13 RCC APB1 peripheral clock enable register (RCC_APB1ENR) . . . . . 141
6.3.14 RCC APB2 peripheral clock enable register
(RCC_APB2ENR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 144
6.3.15 RCC AHB1 peripheral clock enable in low power mode register
(RCC_AHB1LPENR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 146
6.3.16 RCC AHB2 peripheral clock enable in low power mode register
(RCC_AHB2LPENR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 148
6.3.17 RCC AHB3 peripheral clock enable in low power mode register
(RCC_AHB3LPENR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 148
6.3.18 RCC APB1 peripheral clock enable in low power mode register
(RCC_APB1LPENR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150
6.3.19 RCC APB2 peripheral clock enabled in low power mode register
(RCC_APB2LPENR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 153
6.3.20 RCC Backup domain control register (RCC_BDCR) . . . . . . . . . . . . . . 155
6.3.21 RCC clock control & status register (RCC_CSR) . . . . . . . . . . . . . . . . 156
6.3.22 RCC spread spectrum clock generation register (RCC_SSCGR) . . . . 158
6.3.23 RCC PLLI2S configuration register (RCC_PLLI2SCFGR) . . . . . . . . . 159
6.3.24 RCC Dedicated Clocks Configuration Register (RCC_DCKCFGR) . . 161
6.3.25 RCC clocks gated enable register (CKGATENR) . . . . . . . . . . . . . . . . 162
6.3.26 RCC Dedicated Clocks Configuration Register (RCC_DCKCFGR2) . 163
6.3.27 RCC register map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 164
7 General-purpose I/Os (GPIO) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 167
7.1 GPIO introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 167
7.2 GPIO main features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 167
7.3 GPIO functional description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 167
7.3.1 General-purpose I/O (GPIO) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 169
7.3.2 I/O pin multiplexer and mapping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 170
7.3.3 I/O port control registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 173
7.3.4 I/O port data registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 173

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