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LSM330D 데이터시트(PDF) 16 Page - STMicroelectronics |
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LSM330D 데이터시트(HTML) 16 Page - STMicroelectronics |
16 / 66 page Module specifications LSM330D 16/66 Doc ID 022562 Rev 2 Figure 3. SPI slave timing diagram(c)(d) 3. Data on CS, SPC, SDI and SDO refer to pins: CS_A, CS_G, SCL_A/G, SDA_A/G, SDO_A / SDO_G. 2.4.2 I2C - inter IC control interface Subject to general operating conditions for Vdd and TOP. c. The SDO_A output line features an internal pull-up. d. Measurement points are done at 0.2·Vdd_IO and 0.8·Vdd_IO, for both input and output ports. SPC CS SDI SDO tsu(CS) tv(SO) th(SO) th(SI) tsu(SI) th(CS) tdis(SO) tc(SPC) MSB IN MSB OUT LSB OUT LSB IN (3) (3) (3) (3) (3) (3) (3) (3) Table 7. I2C slave timing values Symbol Parameter(1) I2C standard mode (1) I2C fast mode (1) Unit Min Max Min Max f(SCL) SCL clock frequency 0 100 0 400 KHz tw(SCLL) SCL clock low time 4.7 1.3 µs tw(SCLH) SCL clock high time 4.0 0.6 tsu(SDA) SDA setup time 250 100 ns th(SDA) SDA data hold time 0 3.45 0 0.9 µs tr(SDA) tr(SCL) SDA and SCL rise time 1000 20 + 0.1Cb (2) 300 ns tf(SDA) tf(SCL) SDA and SCL fall time 300 20 + 0.1Cb (2) 300 th(ST) START condition hold time 4 0.6 µs tsu(SR) Repeated START condition setup time 4.7 0.6 tsu(SP) STOP condition setup time 4 0.6 tw(SP:SR) Bus free time between STOP and START condition 4.7 1.3 1. SCL (SCL_A/G pin), SDA (SDA_A/G pin) 2. Cb = total capacitance of one bus line, in pF |
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