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FXLS90130 Datasheet(PDF) 76 Page - NXP Semiconductors |
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FXLS90130 Datasheet(HTML) 76 Page - NXP Semiconductors |
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76 / 247 page ![]() NXP Semiconductors FXLS9xxx0 Single channel inertial sensor 11.2.21 Who Am I register The Who Am I register is a user programmed read/write register which contains the unique product identifier for I2C mode. The register is readable in all modes. This register is included in the read/write array error detection. This register is readable and writable in DSI3 mode, SPI mode, I2C mode or PSI5 Programming Mode. Location Bit Address Register 7 6 5 4 3 2 1 0 $3E WHO_ AM_I WHO_AM_I[7:0] Unprogrammed OTP Value 0 0 0 0 0 0 0 0 Unprogrammed Read Value 1 1 0 0 0 1 0 0 Table 131. Who Am I register The default register value is 0x00. If the register value is 0x00, a value of 0xC4 is transmitted in response to a read command. For all other register values, the actual register value is transmitted in response to a read command. WHO_AM_I Register Value (HEX) Response to a register read command 0X00 0xC4 0X01 Through 0xFF Actual register value Table 132. WHO_AM_I bits 11.2.22 I2C slave address register The I2C slave address register is a user programmed read/write register which contains the unique I2C slave address. The register is readable in all modes. This register is included in the read/write array error detection. This register is readable and writable in DSI3 mode, SPI mode, I2C mode or PSI5 Programming Mode. Location Bit Address Register 7 6 5 4 3 2 1 0 $3F I2C_ADDRESS I2C_ADDRESS[7:0] Unprogrammed OTP Value 0 0 0 0 0 0 0 0 Unprogrammed Read Value 0 1 1 0 0 0 0 0 Table 133. I2C slave address register The default register value is 0x00. If the register value is 0x00, the I2C slave address is 0x60 and a value of 0x60 is transmitted in response to a read command. For all other register values, the I2C slave address is the lower 7 bits of the actual register value and the actual register value is transmitted in response to a read command. FXLS9xxx0 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2021. All rights reserved. Product data sheet Rev. 6 — 8 February 2021 76 / 247 |
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