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STM32WLE4JC 数据表(PDF) 133 Page - STMicroelectronics |
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STM32WLE4JC 数据表(HTML) 133 Page - STMicroelectronics |
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133 / 146 page ![]() DS13105 Rev 9 133/146 STM32WLE5/E4xx Electrical characteristics 133 JTAG/SWD characteristics Unless otherwise specified, the parameters given in the table below are derived from tests performed under the ambient temperature, fPCLKx frequency and supply voltage conditions summarized in Table 25: General operating conditions, with the following configuration: • capacitive load C = 30 pF • measurement done at CMOS levels: 0.5 x VDD. Refer to Section 5.3.16: I/O port characteristics for more details. Table 93. Dynamic JTAG characteristics Symbol Parameter Conditions Min Typ Max Unit fPP 1/tc(TCK) TCK clock frequency 2.7 V < VDD < 3.6 V - - 33 MHz 1.8 V < VDD < 3.6 V - - 25 tisu(TMS) TMS input setup time - 0.5 - - ns tih(TMS) TMS input hold time - 1 - - tisu(TDI) TDI input setup time - 1 - - tih(TDI) TDI input hold time - 2.5 - - tov(TDO) TDO output valid time 2.7 V < VDD < 3.6 V - 12 15 1.8 V< VDD < 3.6 V - 12 20 toh(TDO) TDO output hold time - 10 - - Table 94. Dynamic SWD characteristics Symbol Parameter Conditions Min Typ Max Unit fPP 1/tc(SWCLK) SWCLK clock frequency 2.7 V < VDD < 3.6 V - - 58 MHz 1.8 < VDD < 3.6 V - - 41 tisu(SWDIO) SWDIO input setup time - 1 - - ns tih(SWDIO) SWDIO input hold time - 2 - - tov(SWDIO) SWDIO output valid time 2.7 V < VDD < 3.6 V - 15 17 1.8 V < VDD < 3.6 V - 15 24 toh(SWDIO) SWDIO output hold time - 9 - - |
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