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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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STM32WL55JC датащи(PDF) 135 Page - STMicroelectronics |
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STM32WL55JC датащи(HTML) 135 Page - STMicroelectronics |
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135 / 145 page  DS13293 Rev 1 135/145 STM32WL55/54xx Electrical characteristics 135 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 96. 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 97. 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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