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STPM32 Datasheet(PDF) 10 Page - STMicroelectronics |
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STPM32 Datasheet(HTML) 10 Page - STMicroelectronics |
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10 / 89 page  Symbol Parameter Test conditions Min. Typ. Max. Unit BW Effective band width -3 dB, HPF = 0 0 - 3600 Hz DC measurement accuracy PSRRAC Power supply AC rejection(2) Voltage input shorted Current input shorted VCC = 3.3V ± 150 mVp at 1 kHz - 65 - dB SPItimings(3) t_en Time between selection and clock - 50 - - ns t_clk Clock period - 50 - - ns t_cpw Clock pulse width - 25 - - ns t_setup Set-up time before slave sampling - 10 - - ns t_hold Hold time after slave sampling - 40 - - ns tpZL Enable to low level time VCC = 3.3 V ± 10%, VIN = 0 to 3 V, 1 MHz Rise time = fall time = 6 ns RL = 1 kΩ, CL = 50 pF see Figure 10 - 25 - ns tpLZ Disable from low level time - 15 - ns UART timings(3) t1 - CS enable to RX start 5 - - ns t2 - Stop bit to CS disable 1 - - μs t3 - CS disable to TX idle hold time - - 250 ns tpZH Enable to high level time VCC = 3.3 V ± 10%, VIN = 0 to 3 V, 1 MHz, Rise time = fall time = 6 ns RL = 1 kΩ, CL = 50 pF see Figure 10 - 21 - ns tpHZ Disable from high level time - 11 - ns SYN timings(3) t_ltch Time between de-selection and latch - 20 - - ns t_lpw Latch pulse width - 4 - - μs t_w Time between two consecutive latch pulses - 4 - - μs t_rpw Reset pulse width - 4 - - μs t_rel Time between pulse and selection - 40 - - ns t_startup Time between power-on and reset - 35 - - ms 1. Guaranteed by design. 2. Guaranteed by characterization. 3. Guaranteed by application. STPM32, STPM33, STPM34 Electrical characteristics DS10272 - Rev 13 page 10/89 |
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