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ISM330BXTR Datasheet(PDF) 11 Page - STMicroelectronics |
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ISM330BXTR Datasheet(HTML) 11 Page - STMicroelectronics |
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11 / 150 page  In the following table each mode is described for the pin connections and function. Table 2. Pin description Pin# Name Mode 1 function Mode 2 function 1 SDO/TA0 SPI 4-wire interface serial data output (SDO) I²C least significant bit of the device address (TA0) SPI 4-wire interface serial data output (SDO) I²C least significant bit of the device address (TA0) 2 TDMout Connect to GND or VDDIO TDM out 3 BCLK Connect to GND or VDDIO TDM bit clock 4 INT1 Programmable interrupt in I²C and SPI Programmable interrupt in I²C and SPI 5 VDDIO(1) Power supply for I/O pins 6 AH1/QVAR1 Connect to VDD or GND if the analog hub and Qvar are disabled. AH input 1 (or Qvar electrode 1) is connected if the analog hub (or Qvar functionality) is enabled. Connect to VDD or GND if the analog hub and Qvar are disabled. AH input 1 (or Qvar electrode 1) is connected if the analog hub (or Qvar functionality) is enabled. 7 GND 0 V supply 8 VDD(1) Power supply 9 AH2/QVAR2 Connect to VDD or GND if the analog hub and Qvar are disabled. AH input 2 (or Qvar electrode 2) is connected if the analog hub (or Qvar functionality) is enabled. Connect to VDD or GND if the analog hub and Qvar are disabled. AH input 2 (or Qvar electrode 2) is connected if the analog hub (or Qvar functionality) is enabled. 10 INT2 Programmable interrupt 2 in I²C and SPI Programmable interrupt 2 in I²C and SPI 11 WCLK Connect to VDDIO or leave unconnected TDM word clock 12 CS I²C / MIPI I3C® or SPI mode selection (1: SPI idle mode and I²C / MIPI I3C® communication enabled; 0: SPI communication mode enabled and I²C / MIPI I3C® disabled) I²C / MIPI I3C® or SPI mode selection (1: SPI idle mode and I²C / MIPI I3C® communication enabled; 0: SPI communication mode enabled and I²C / MIPI I3C® disabled) 13 SCL I²C / MIPI I3C® serial clock (SCL) SPI serial port clock (SPC) I²C / MIPI I3C® serial clock (SCL) SPI serial port clock (SPC) 14 SDA I²C / MIPI I3C® serial data (SDA) SPI serial data input (SDI) 3-wire interface serial data output (SDO) I²C / MIPI I3C® serial data (SDA) SPI serial data input (SDI) 3-wire interface serial data output (SDO) 1. Recommended 100 nF filter capacitor ISM330BX Pin description DS14588 - Rev 2 page 11/150 |
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