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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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STM32WB55XX 데이터시트(PDF) 13 Page - STMicroelectronics |
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STM32WB55XX 데이터시트(HTML) 13 Page - STMicroelectronics |
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13 / 165 page  DS11929 Rev 3 13/165 STM32WB55xx Description 69 The STM32WB55xx operate in the -40 to +105 °C (+125 °C junction) temperature range from a 1.71 to 3.6 V power supply. A comprehensive set of power-saving modes enables the design of low-power applications. The STM32WB55xx integrate a high efficiency SMPS step-down converter with automatic bypass mode capability when the VDD falls below VBORx (x=1, 2, 3, 4) voltage level (default is 2.0 V). It includes independent power supplies for analog input for ADC and comparators, as well as a 3.3 V dedicated supply input for USB. A VBAT dedicated supply allows the devices to back up the LSE 32.768KHz oscillator, the RTC and the backup registers, thus enabling the STM32WB55xx to supply these functions even if the main VDD is not present through a CR2032-like battery, a Supercap or a small rechargeable battery. The STM32WB55xx family offers three packages, from 48 to 100 pins. Table 2. STM32WB55xx family device features and peripheral counts Feature STM32WB55Cx STM32WB55Rx STM32WB55Vx Flash memory density 256 KB 512 KB 1 MB 256 KB 512 KB 1 MB 256 KB 512 KB 1 MB SRAM density 128 KB 256 KB 256 KB 128 KB 256 KB 256 KB 128 KB 256 KB 256 KB BLE V5.0 (2 Mbps) 802.15.4 Yes Timers Advanced 1 (16 bits) General purpose 2 (16 bits) + 1 (32 bits) Low power 2 (16 bits) SysTick 1 Comm interface SPI 1 2 I2C 2 USART(1) 1 LPUART 1 SAI 2 channels USB FS Yes QSPI 1 RTC 1 Tamper pin 1 3 Wakeup pin 2 5 LCD, COMxSEG Yes, 4x13 Yes, 7x23 or 4x26 Yes, 8x40 or 4x44 GPIOs 304972 Capacitive sensing 1x4 3x4 7x4 16-bit ADC Number of channels 13 channels (incl. 3 internal) 19 channels (incl. 3 internal) Internal Vref No Yes Analog comparator 2 |
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