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STM32F103C8T7TR Scheda tecnica(PDF) 62 Page - STMicroelectronics |
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STM32F103C8T7TR Scheda tecnica(HTML) 62 Page - STMicroelectronics |
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62 / 96 page ![]() Electrical characteristics STM32F103x8, STM32F103xB 62/96 Doc ID 13587 Rev 12 Input/output AC characteristics The definition and values of input/output AC characteristics are given in Figure 29 and Table 36, respectively. Unless otherwise specified, the parameters given in Table 36 are derived from tests performed under the ambient temperature and VDD supply voltage conditions summarized in Table 9. Table 36. I/O AC characteristics(1) 1. The I/O speed is configured using the MODEx[1:0] bits. Refer to the STM32F10xxx reference manual for a description of GPIO Port configuration register. MODEx[1:0] bit value(1) Symbol Parameter Conditions Min Max Unit 10 fmax(IO)out Maximum frequency (2) 2. The maximum frequency is defined in Figure 29. CL = 50 pF, VDD = 2 V to 3.6 V 2 MHz tf(IO)out Output high to low level fall time CL = 50 pF, VDD = 2 V to 3.6 V 125(3) 3. Guaranteed by design, not tested in production. ns tr(IO)out Output low to high level rise time 125(3) 01 fmax(IO)out Maximum frequency (2) C L = 50 pF, VDD = 2 V to 3.6 V 10 MHz tf(IO)out Output high to low level fall time CL = 50 pF, VDD = 2 V to 3.6 V 25(3) ns tr(IO)out Output low to high level rise time 25(3) 11 Fmax(IO)out Maximum frequency (2) CL = 30 pF, VDD = 2.7 V to 3.6 V 50 MHz CL = 50 pF, VDD = 2.7 V to 3.6 V 30 MHz CL = 50 pF, VDD = 2 V to 2.7 V 20 MHz tf(IO)out Output high to low level fall time CL = 30 pF, VDD = 2.7 V to 3.6 V 5(3) ns CL = 50 pF, VDD = 2.7 V to 3.6 V 8(3) CL = 50 pF, VDD = 2 V to 2.7 V 12(3) tr(IO)out Output low to high level rise time CL = 30 pF, VDD = 2.7 V to 3.6 V 5(3) CL = 50 pF, VDD = 2.7 V to 3.6 V 8(3) CL = 50 pF, VDD = 2 V to 2.7 V 12(3) -tEXTIpw Pulse width of external signals detected by the EXTI controller 10 ns |
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