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STMicroelectronics STM32F429 Reference Manual

STMicroelectronics STM32F429
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Contents RM0090
4/1731 DocID018909 Rev 11
4.1 CRC introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .113
4.2 CRC main features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .113
4.3 CRC functional description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .114
4.4 CRC registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .114
4.4.1 Data register (CRC_DR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114
4.4.2 Independent data register (CRC_IDR) . . . . . . . . . . . . . . . . . . . . . . . . 114
4.4.3 Control register (CRC_CR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115
4.4.4 CRC register map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115
5 Power controller (PWR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 116
5.1 Power supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .116
5.1.1 Independent A/D converter supply and reference voltage . . . . . . . . . . 117
5.1.2 Battery backup domain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118
5.1.3 Voltage regulator for STM32F405xx/07xx and STM32F415xx/17xx . . 120
5.1.4 Voltage regulator for STM32F42xxx and STM32F43xxx . . . . . . . . . . . 121
5.2 Power supply supervisor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124
5.2.1 Power-on reset (POR)/power-down reset (PDR) . . . . . . . . . . . . . . . . . 124
5.2.2 Brownout reset (BOR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125
5.2.3 Programmable voltage detector (PVD) . . . . . . . . . . . . . . . . . . . . . . . . 125
5.3 Low-power modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 126
5.3.1 Slowing down system clocks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128
5.3.2 Peripheral clock gating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128
5.3.3 Sleep mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129
5.3.4 Stop mode (STM32F405xx/07xx and STM32F415xx/17xx) . . . . . . . . 130
5.3.5 Stop mode (STM32F42xxx and STM32F43xxx) . . . . . . . . . . . . . . . . . 133
5.3.6 Standby mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 136
5.3.7 Programming the RTC alternate functions to wake up the device from
the Stop and Standby modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 138
5.4 Power control registers (STM32F405xx/07xx and STM32F415xx/17xx) 141
5.4.1 PWR power control register (PWR_CR)
for STM32F405xx/07xx and STM32F415xx/17xx . . . . . . . . . . . . . . . . 141
5.4.2 PWR power control/status register (PWR_CSR)
for STM32F405xx/07xx and STM32F415xx/17xx . . . . . . . . . . . . . . . . 142
5.5 Power control registers (STM32F42xxx and STM32F43xxx) . . . . . . . . . 144
5.5.1 PWR power control register (PWR_CR)
for STM32F42xxx and STM32F43xxx . . . . . . . . . . . . . . . . . . . . . . . . . 144
5.5.2 PWR power control/status register (PWR_CSR)
for STM32F42xxx and STM32F43xxx . . . . . . . . . . . . . . . . . . . . . . . . . 147

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STMicroelectronics STM32F429 Specifications

General IconGeneral
BrandSTMicroelectronics
ModelSTM32F429
CategoryController
LanguageEnglish

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