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DPS310 데이터시트(PDF) 22 Page - Infineon Technologies AG |
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DPS310 데이터시트(HTML) 22 Page - Infineon Technologies AG |
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22 / 41 page ![]() 6.3.1 General interface parameters The general interface parameters are given in the table below: Table 12 Interface parameters Parameter Symbol Values Unit Note or Test Condition Min. Typ. Max. Input voltage for low logic level at input pins Vlow_in 0.3 * VDDIO V VDDIO=1.2V to 3.6V Input voltage for high logic level at input pins Vhigh_in 0.7 * VDDIO V VDDIO=1.2V to 3.6V Output - low level for I2C Vlow_SDI 0.1 * VDDIO V VDDIO=1.8V, iol=2mA Output voltage for low level at pin SDI for I2C Vlow_SDI_1.2 0.2* VDDIO V VDDIO=1.20V, iol=1.3mA Output voltage for high level at pins SDO, SDI Vhigh_out 0.8 * VDDIO V VDDIO=1.8V, iol=1mA (SDO, SDI) Output voltage for high level at pins SDO, SDI Vhigh_out_1.2 0.6 * VDDIO V VDDIO=1.2V, iol=1mA (SDO, SDI) Pull-up resistor Rpull 60 120 180 kohm Internal pull-up resistance to VDDIO I2C bus load capacitor Cb 400 pF On SDI and SCK 6.3.1.1 I2C timings The I2C timing is shown in the diagram below and corresponding values are given in the table below. The naming refers to I2C Specification version 2.1, the abbreviations used "S&F mode" = standard and fast mode, "HS mode" = high speed mode, Cb = bus capacitance on SDA line. DPS310 - Digital Pressure Sensor Digital Barometric Pressure Sensor for Portable Devices Digital interfaces 22 V1.0 2016-09-05 |
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