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LIS2DUXS12 数据表(PDF) 85 Page - STMicroelectronics |
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LIS2DUXS12 数据表(HTML) 85 Page - STMicroelectronics |
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85 / 104 page  11 Embedded advanced features pages The table given below provides a list of the registers for the embedded advanced features page 0. These registers are accessible when PAGE_SEL[3:0] are set to 0000 in PAGE_SEL (02h). Note: The content of these registers is loaded when the embedded functions are enabled by setting the EMB_FUNC_EN bit to 1 in the CTRL4 (13h) register. The embedded functions must be enabled in order for these registers to become accessible. Table 214. Register address map - embedded advanced features page 0 Name Type Register address Default Comment Hex Binary FSM_LC_TIMEOUT_L R/W 54 01010100 00000000 FSM_LC_TIMEOUT_H R/W 55 01010101 00000000 FSM_PROGRAMS R/W 56 01010110 00000000 FSM_START_ADD_L R/W 58 01011000 00000000 FSM_START_ADD_H R/W 59 01011001 00000000 PEDO_CMD_REG R/W 5D 01011101 00000000 PEDO_DEB_STEPS_CONF R/W 5E 01011110 00001010 PEDO_SC_DELTAT_L R/W AA 10101010 00000000 PEDO_SC_DELTAT_H R/W AB 10101011 00000000 T_AH_QVAR_SENSITIVITY_L R/W B6 10110110 11010001 T_AH_QVAR_SENSITIVITY_H R/W B7 10110111 00011001 Reserved registers must not be changed. Writing to those registers may cause permanent damage to the device. The content of the registers that are loaded at boot should not be changed. They contain the factory calibration values. Their content is automatically restored when the device is powered up. Write procedure example: write value 06h in register at address 5Eh (PEDO_DEB_STEPS_CONF) in Page 0 1. Write bit EMB_FUNC_REG_ACCESS = 1 in FUNC_CFG_ACCESS (3Fh) // Enable access to embedded functions registers 2. Write bit PAGE_WRITE = 1 in PAGE_RW (17h) register // Select write operation mode 3. Write 0000 in PAGE_SEL[3:0] field of register PAGE_SEL (02h) // Select page 0 4. Write 5Eh in PAGE_ADDRESS (08h) register // Set address 5. Write 06h in PAGE_VALUE (09h) register // Set value to be written 6. Write bit PAGE_WRITE = 0 in PAGE_RW (17h) register // Write operation disabled 7. Write bit EMB_FUNC_REG_ACCESS = 0 in FUNC_CFG_ACCESS (3Fh) // Disable access to embedded functions registers LIS2DUXS12 Embedded advanced features pages DS14035 - Rev 2 page 85/104 |
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