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LSM6DSL Datasheet, PDF (45/113 Pages) STMicroelectronics – iNEMO inertial module: always-on 3D accelerometer and 3D gyroscope
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pin# Name
Mode 1 function
Table 17. Internal pin status
Mode 2 function
Pin status Mode 1
SDO
SPI 4-wire interface serial data
output (SDO)
SPI 4-wire interface serial data
output (SDO)
1
SA0
I2C least significant bit of the
device address (SA0)
I2C least significant bit of the
device address (SA0)
2 SDx
Connect to VDDIO or GND
I2C serial data master (MSDA)
3 SCx
Connect to VDDIO or GND
I2C serial clock master (MSCL)
4 INT1
Programmable interrupt 1
Programmable interrupt 1
5 Vdd_IO Power supply for I/O pins
Power supply for I/O pins
6 GND
0 V supply
0 V supply
7 GND
0 V supply
0 V supply
8 Vdd
Power supply
Power supply
Programmable interrupt 2 (INT2)
9
INT2
Programmable interrupt 2 (INT2)
/ Data enabled (DEN)
/ Data enabled (DEN) /
I2C master external
synchronization signal (MDRDY)
10 NC
Leave unconnected(1)
Leave unconnected(1)
11 NC
Leave unconnected(1)
Leave unconnected(1)
12 CS
I2C/SPI mode selection
(1:SPI idle mode /
I2C communication enabled;
0: SPI communication mode /
I2C disabled)
I2C/SPI mode selection
(1:SPI idle mode /
I2C communication enabled;
0: SPI communication mode /
I2C disabled)
Default: Input without pull-up.
Pull-up is enabled if bit SIM = 1
(SPI 3-wire) in reg 12h.
Default: input without pull-up.
Pull-up is enabled if bit
PULL_UP_EN = 1 in reg 1Ah.
Default: input without pull-up.
Pull-up is enabled if bit
PULL_UP_EN = 1 in reg 1Ah.
Default: Output forced to ground
Default: Output forced to ground
Leave unconnected(1)
Leave unconnected(1)
Default: Input with pull-up.
Pull-up is disabled
if bit I2C_disable = 1 in reg 13h.
Pin status Mode 2
Default: Input without pull-up.
Pull-up is enabled if bit SIM = 1
(SPI 3-wire) in reg 12h.
Default: input without pull-up.
Pull-up is enabled if bit
PULL_UP_EN = 1 in reg 1Ah.
Default: input without pull-up.
Pull-up is enabled if bit
PULL_UP_EN = 1 in reg 1Ah.
Default: Output forced to ground
Default: Output forced to ground
Leave unconnected(1)
Leave unconnected(1)
Default: Input with pull-up.
Pull-up is disabled
if bit I2C_disable = 1 in reg 13h.
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