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VL53L1 数据表(PDF) 22 Page - STMicroelectronics |
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VL53L1 数据表(HTML) 22 Page - STMicroelectronics |
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22 / 35 page ![]() Control interface VL53L1X 22/35 DocID031281 Rev 3 Figure 17. I2C timing characteristics All timings are measured from either VIL or VIH. 4.2 I2C interface - reference registers The registers shown in the table below can be used to validate the user I2C interface. Note: The I2C read/writes can be 8,16 or 32-bit. Multi-byte reads/writes are always addressed in ascending order with MSB first as shown in Table 12. The customer must use the VL53L1X software driver for easy and efficient ranging operations to match performance and accuracy criteria. Hence full register details are not exposed. The customer should refer to the VL53L1X API user manual (UM2356). SDA SCL tHD.STA tR tHIGH tF tSU.DAT tHD.DAT tSU.STA tSU.STO ... ... tHD.STA tLOW tBUF stop start stop start VIH VIL VIH VIL Table 11. Reference registers Register name Index After fresh reset, without driver loaded Model ID 0x010F 0xEA Module Type 0x0110 0xCC Mask Revision 0x0111 0x10 Table 12. 32-bit register example Register address Byte Address MSB Address + 1 .. Address + 2 .. Address + 3 LSB |
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