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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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STM32F058C8 датащи(PDF) 68 Page - STMicroelectronics |
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STM32F058C8 датащи(HTML) 68 Page - STMicroelectronics |
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68 / 104 page  Electrical characteristics STM32F058C8 STM32F058R8 STM32F058T8 68/104 DocID023402 Rev 3 Input/output AC characteristics The definition and values of input/output AC characteristics are given in Figure 20 and Table 47, respectively. Unless otherwise specified, the parameters given are derived from tests performed under the ambient temperature and supply voltage conditions summarized in Table 19: General operating conditions. Figure 20. I/O AC characteristics definition Table 47. I/O AC characteristics(1)(2) 1. The I/O speed is configured using the OSPEEDRx[1:0] bits. Refer to the STM32F0xxxx RM0091 reference manual for a description of GPIO Port configuration register. 2. Guaranteed by design, not tested in production. OSPEEDRy [1:0] value(1) Symbol Parameter Conditions Min Max Unit x0 fmax(IO)out Maximum frequency(3) 3. The maximum frequency is defined in Figure 20. CL = 50 pF -1 MHz tf(IO)out Output fall time - 125 ns tr(IO)out Output rise time - 125 01 fmax(IO)out Maximum frequency(3) CL = 50 pF -4 MHz tf(IO)out Output fall time - 62.5 ns tr(IO)out Output rise time - 62.5 11 fmax(IO)out Maximum frequency(3) CL = 50 pF -10 MHz tf(IO)out Output fall time - 25 ns tr(IO)out Output rise time - 25 Fm+ configuration (4) 4. When Fm+ configuration is set, the I/O speed control is bypassed. Refer to the STM32F0xxxx reference manual RM0091 for a detailed description of Fm+ I/O configuration. fmax(IO)out Maximum frequency(3) CL = 50 pF -0.5 MHz tf(IO)out Output fall time - 16 ns tr(IO)out Output rise time - 44 tEXTIpw Pulse width of external signals detected by the EXTI controller 10 - ns |
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