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STM32F412RG bảng dữ liệu(PDF) 119 Page - STMicroelectronics

tên linh kiện STM32F412RG
Giải thích chi tiết về linh kiện  ARM-Cortex-M4 32b MCUFPU, 125 DMIPS, 1MB Flash, 256KB RAM, USB OTG FS, 17 TIMs, 1 ADC, 17 comm. interfaces
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nhà sản xuất  STMICROELECTRONICS [STMicroelectronics]
Trang chủ  http://www.st.com
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STM32F412RG bảng dữ liệu(HTML) 119 Page - STMicroelectronics

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STM32F412xE/G
Electrical characteristics
161
Figure 35. FT/TC I/O input characteristics
Output driving current
The GPIOs (general purpose input/outputs) can sink or source up to
±8 mA, and sink or
source up to
±20 mA (with a relaxed VOL/VOH) except PC13, PC14 and PC15 which can
sink or source up to
±3mA. When using the PC13 to PC15 GPIOs in output mode, the speed
should not exceed 2 MHz with a maximum load of 30 pF.
In the user application, the number of I/O pins which can drive current must be limited to
respect the absolute maximum rating specified in Section 6.2. In particular:
•
The sum of the currents sourced by all the I/Os on VDD, plus the maximum Run
consumption of the MCU sourced on VDD, cannot exceed the absolute maximum rating
ΣIVDD (see Table 13).
•
The sum of the currents sunk by all the I/Os on VSS plus the maximum Run
consumption of the MCU sunk on VSS cannot exceed the absolute maximum rating
ΣIVSS (see Table 13).
Output voltage levels
Unless otherwise specified, the parameters given in Table 57 are derived from tests
performed under ambient temperature and VDD supply voltage conditions summarized in
Table 15. All I/Os are CMOS and TTL compliant.



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