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STM32L552CC 数据表(PDF) 17 Page - STMicroelectronics |
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STM32L552CC 数据表(HTML) 17 Page - STMicroelectronics |
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17 / 340 page  DS12737 Rev 6 17/340 STM32L552xx Description 78 Communication interfaces SPI 3 I2C 4 USART(1)/UART UART LPUART 3/2 (2) 2 1 SAI 2 FDCAN 1 USB FS Yes SDMMC No Yes/No/Yes Yes Digital filters for sigma- delta modulators Yes (4 filters) Number of channels 8 Real time clock (RTC) Yes Tamper pins 3 4/4/3 3 5/4 5 8/7 True random number generator Yes HASH (SHA-256) Yes GPIOs Wakeup pins Nb of I/Os down to 1.08 V 38/36 3 0 52/50/47 4/3/3 0 54/51 3 6 83/79 5/4 0 108/105 5 13/10 115 /111 5/4 14/13 Capacitive sensing Number of channels 5 10/10/9 10 19/18 22 22/21 ADC 12-bit ADC 2 Number of channels 9 16/ 16/15 16/15 16/14 16 16/14 DAC 12-bit DAC 1 Number of channels 2 Internal voltage reference buffer Yes Analog comparator 2 Operational amplifiers 2 Max. CPU frequency 110 MHz Table 2. STM32L552xx features and peripheral counts (continued) Peripherals |
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