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ST25R200 датащи(PDF) 55 Page - STMicroelectronics |
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ST25R200 датащи(HTML) 55 Page - STMicroelectronics |
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55 / 88 page ![]() wut<3:0> wut3 wut2 wut1 wut0 Timeout (ms)(1) 9 1 0 0 1 212.7 10 1 0 1 0 309.3 11 1 0 1 1 425.3 12 1 1 0 0 618.6 13 1 1 0 1 850.6 14 1 1 1 0 1237.3 15 1 1 1 1 1701.2 1. RC oscillator nominal values, PVT variation up to ±30%. 5.14.42 Wake-up configuration register 2 Address: 29h Type: RW Domain: PD Table 59. Wake-up configuration register 2 Bit Name Default Function Comment 7 skip_recal 0 1: Disable automatic recalibration - 6 skip_cal 0 1: Disable automatic calibration at start - 5 skip_twcal 0 1: Disable calibration deferment at start - 4 skip_twref 0 1: Disable reference deferment at start - 3 iq_aaref 0 1: Enable Auto Average reference for both I and Q channel 0: Manually defined reference for both I and Q channel When iq_aaref = 1 the reference is automatically obtained and registers 0x2D and 0x32 are read-only. 2 td_mf 0 Wake-up Measurement pulse length (see Table 60) - 1 td_mt1 0 0 td_mt0 0 Table 60. Measurement pulse length td_mf td_mt1 td_mt0 Measurement pulse (μs) 0 0 0 26.0 0 0 1 29.5 0 1 0 34.2 0 1 1 43.7 1 0 0 10.6 1 0 1 14.2 1 1 0 18.9 1 1 1 28.3 ST25R200 Application information DS13658 - Rev 2 page 55/88 |
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