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LNBH25S датащи(PDF) 22 Page - STMicroelectronics |
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LNBH25S датащи(HTML) 22 Page - STMicroelectronics |
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22 / 37 page ![]() I²C interface protocol LNBH25S 22/37 DocID026736 Rev 2 7.2 Read mode transmission In read mode the byte sequence as follows: A start condition (S) A chip address byte with the LSB bit R/W=0 The register address byte of the internal first register to be accessed A stop condition (P) A new master transmission with the chip address byte and the LSB bit R/W=1 After the acknowledge, the LNBH25S starts to send the addressed register content. As long as the master keeps the acknowledge low, the LNBH25S transmits the next address register byte content The transmission is terminated when the master sets the acknowledge high with the following stop bit Figure 12: Example of reading procedure starting with first status address 0X0 ACK = acknowledge S = start P = stop R/W = 1/0, read/write bit X = 0/1, set the values to select the chip address, see Table 16: "Address pin characteristics" for pin selection and to select the register address see Table 7: "Data 1 (read/write register. Register address = 0X2)". |
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