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STM32H757AI 数据表(PDF) 15 Page - STMicroelectronics |
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STM32H757AI 数据表(HTML) 15 Page - STMicroelectronics |
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15 / 251 page  DS12931 Rev 1 15/251 STM32H757xI Description 55 Refer to Table 2: STM32H757xI features and peripheral counts for the list of peripherals available on each part number. STM32H757xI devices operate in the –40 to +85 °C temperature range from a 1.62 to 3.6 V power supply. The supply voltage can drop down to 1.62 V by using an external power supervisor (see Section 3.5.2: Power supply supervisor) and connecting the PDR_ON pin to VSS. Otherwise the supply voltage must stay above 1.71 V with the embedded power voltage detector enabled. Dedicated supply inputs for USB (OTG_FS and OTG_HS) are available on all packages to allow a greater power supply choice. A comprehensive set of power-saving modes allows the design of low-power applications. STM32H757xI devices are offered in 5 packages ranging from 156 pins to 240 pins/balls. The set of included peripherals changes with the device chosen. These features make STM32H757xI microcontrollers suitable for a wide range of applications: • Motor drive and application control • Medical equipment • Industrial applications: PLC, inverters, circuit breakers • Printers, and scanners • Alarm systems, video intercom, and HVAC • Home audio appliances • Mobile applications, Internet of Things • Wearable devices: smart watches. Figure 1 shows the device block diagram. Table 2. STM32H757xI features and peripheral counts Peripherals STM32H757 ZI STM32H757 AI STM32H75 7II STM32H75 7BI STM32H757 XI Flash memory in Kbytes 2 x 1 Mbyte SRAM in Kbytes SRAM mapped onto AXI bus 512 SRAM1 (D2 domain) 128 SRAM2 (D2 domain) 64 SRAM3 (D2 domain) 32 SRAM4 (D3 domain) 64 TCM RAM in Kbytes ITCM RAM (instruction) 64 DTCM RAM (data) 128 Backup SRAM (Kbytes) 4 FMC Yes General-purpose input/outputs 99 112 119 148 168 Quad-SPI Yes |
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