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STM32L471RG データシート(PDF) 13 Page - STMicroelectronics |
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STM32L471RG データシート(HTML) 13 Page - STMicroelectronics |
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13 / 218 page  DocID027226 Rev 1 13/218 STM32L471xx Description 55 Table 2. STM32L471xx family device features and peripheral counts Peripheral STM32L471Zx STM32L471Qx STM32L471Vx STM32L471Rx Flash memory 512KB 1MB 512KB 1MB 512KB 1MB 512KB 1MB SRAM 128KB External memory controller for static memories Yes Yes Yes(1) No Quad SPI Yes Timers Advanced control 2 (16-bit) General purpose 5 (16-bit) 2 (32-bit) Basic 2 (16-bit) Low -power 2 (16-bit) SysTick timer 1 Watchdog timers (independent, window) 2 Comm. interfaces SPI 3 I2C3 USART UART LPUART 3 2 1 SAI 2 CAN 1 SDMMC Yes SWPMI Yes Digital filters for sigma-delta modulators Yes (4 filters) Number of channels 8 RTC Yes Tamper pins 3 2 Random generator Yes GPIOs Wakeup pins Nb of I/Os down to 1.08 V 114 5 14 109 5 14 82 5 0 51 4 0 Capacitive sensing Number of channels 24 24 21 12 12-bit ADCs Number of channels 3 24 3 19 3 16 3 16 12-bit DAC channels 2 Internal voltage reference buffer Yes No Analog comparator 2 Operational amplifiers 2 Max. CPU frequency 80 MHz Operating voltage 1.71 to 3.6 V |
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