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ISM330BXTR Datasheet(PDF) 19 Page - STMicroelectronics |
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ISM330BXTR Datasheet(HTML) 19 Page - STMicroelectronics |
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19 / 150 page ![]() 4.4.2 I²C - inter-IC control interface Subject to general operating conditions for VDD and Top. @VDDIO = 1.8 V, T = 25°C unless otherwise noted. Table 8. I²C target timing values Symbol Parameter I²C fast mode(1)(2) I²C fast mode plus(1)(2) Unit Min Max Min Max f(SCL) SCL clock frequency 0 400 0 1000 kHz tw(SCLL) SCL clock low time 1.3 0.5 µs tw(SCLH) SCL clock high time 0.6 0.26 tsu(SDA) SDA setup time 100 50 ns th(SDA) SDA data hold time 0 0.9 0 µs th(ST) START/REPEATED START condition hold time 0.6 0.26 tsu(SR) REPEATED START condition setup time 0.6 0.26 tsu(SP) STOP condition setup time 0.6 0.26 tw(SP:SR) Bus free time between STOP and START condition 1.3 0.5 Data valid time 0.9 0.45 Data valid acknowledge time 0.9 0.45 CB Capacitive load for each bus line 400 550 pF 1. Data based on standard I²C protocol requirement, not tested in production. 2. Data for I²C fast mode and I²C fast mode plus have been validated by characterization, not tested in production. Figure 9. I²C target timing diagram tsu(SP) tw(SCLL) tsu(SDA) tsu(SR) th(ST) tw(SCLH) th(SDA) tw(SP:SR) START REPEATED START START STOP SDA SCL Note: Measurement points are done at 0.3·VDDIO and 0.7·VDDIO for both ports. ISM330BX Module specifications DS14588 - Rev 2 page 19/150 |
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