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ISM330BXTR Datasheet(PDF) 48 Page - STMicroelectronics

Part # ISM330BXTR
Description  6-axis IMU (inertial measurement unit) with wide bandwidth, low-noise accelerometer, embedded AI and sensor fusion for industrial applications
PDF  150 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ISM330BXTR Datasheet(HTML) 48 Page - STMicroelectronics

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7.4
ISM330BX internal pin status
Table 23. Internal pin status
Pin #
Name
Mode 1 function
Mode 2 function
Pin status mode 1
Pin status mode 2
1
SDO
SPI 4-wire interface serial data output (SDO)
SPI 4-wire interface serial data output (SDO)
Default: input without pull-up
Pull-up is enabled if bit SDO_PU_EN = 1 in
register PIN_CTRL (02h).
Default: input without pull-up
Pull-up is enabled if bit SDO_PU_EN = 1 in
register PIN_CTRL (02h).
TA0
I²C least significant bit of the device address (TA0)
MIPI I3C® least significant bit of the static address
(TA0)
I²C least significant bit of the device address (TA0)
MIPI I3C® least significant bit of the static address
(TA0)
2
TDMout
Connect to GND or VDDIO
TDM out
Default: input without pull-up
Pull-up is enabled if TDM_OUT_PU_EN = 1
in register IF_CFG (03h).
Default: input without pull-up
Pull-up is enabled if TDM_OUT_PU_EN = 1
in register IF_CFG (03h).
3
BCLK
Connect to GND or VDDIO
TDM bit clock
Default: input without pull-up
Default: input without pull-up
4
INT1
Programmable interrupt in I²C and SPI
Programmable interrupt in I²C and SPI
Default: output forced to ground
Default: output forced to ground
5
VDDIO
Power supply for I/O pins
Power supply for I/O pins
6
AH1/QVAR1
Connect to VDD or GND if the analog hub and/or Qvar
are disabled.
Connect to the analog input or Qvar electrode 1 if the
AH/Qvar function is enabled.(1)
Connect to VDD or GND if the analog hub and/or Qvar
are disabled.
Connect to the analog input or Qvar electrode 1 if the
AH/Qvar function is enabled.(1)
7
GND
0 V supply
0 V supply
8
VDD
Power supply
Power supply
9
AH2/QVAR2
Connect to VDD or GND if the analog hub and/or Qvar
are disabled.
Connect to the analog input or Qvar electrode 2 if the
AH/Qvar function is enabled.(1)
Connect to VDD or GND if the analog hub and/or Qvar
are disabled.
Connect to the analog input or Qvar electrode 2 if the
AH/Qvar function is enabled.(1)
10
INT2
Programmable interrupt in I²C and SPI
Programmable interrupt in I²C and SPI
Default: output forced to ground
Default: output forced to ground
11
WCLK
Connect to VDDIO or leave unconnected
TDM word clock
Default: input with pull-up
Pull-up is disabled if TDM_WCLK_PU_DIS
= 1 in register PIN_CTRL (02h).
Default: input with pull-up
Pull-up is disabled if TDM_WCLK_PU_DIS
= 1 in register PIN_CTRL (02h).
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)
Default: input with pull-up
Pull-up is disabled if bit I2C_I3C_disable = 1
in register IF_CFG (03h).
Default: input with pull-up
Pull-up is disabled if bit I2C_I3C_disable = 1
in register IF_CFG (03h).
13
SCL
I²C / MIPI I3C® serial clock (SCL) / SPI serial port clock
(SPC)
I²C / MIPI I3C® serial clock (SCL) / SPI serial port clock
(SPC)
Default: input without pull-up
Default: input without pull-up
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)
Default: input without pull-up
Pull-up is enabled if bit SDA_PU_EN = 1 in
register IF_CFG (03h).
Default: input without pull-up
Pull-up is enabled if bit SDA_PU_EN = 1 in
register IF_CFG (03h).
1. The analog hub and Qvar functions are enabled by setting the AH_QVAR_EN bit to 1 in CTRL7 (16h).
The internal pull-up value is from 30 kΩ to 50 kΩ, depending on VDDIO.



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