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RV5C387A Datasheet(PDF) 27 Page - RICOH electronics devices division |
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RV5C387A Datasheet(HTML) 27 Page - RICOH electronics devices division |
27 / 49 page 27 RV5C387A 1.2-5 Data transmission read format of the RV5C387A The RV5C387A allows the following three readout methods of data from an internal register. 1) The first method to reading data from the internal register is to specify an internal address by setting the internal address pointer and the transmission format register described 1.2-4, generate the repeated start condition (see section 1.2-3) to change the data transmission direction to perform reading. The internal address pointer is set to Fh when the stop condition is met. Therefore, this method of reading allows no insertion of the stop condition before the repeated start condition. Set 0h to the transmission format register. Example 1 of data read (when data is read from 2h to 4h) S 0 11 0 0 0 1 0 0 01 0 0 0 0 0 A AAA P A1 0 Sr 0 01 0 A 1 1 R/W=0 (Write) Transmission of slave address (0110010) Transmission of slave address (0110010) Setting of 2h to the internal address pointer Setting of 0h to the trans- mission format register Reading of data from the internal address 2h. Reading of data from the internal address 3h. Reading of data from the internal address 4h. Data Data Data Repeated start condition R/W=1 (Read) SSr AA Master to slave Slave to master Start condition Acknowledge signal Repeated start condition P Stop condition A |
Similar Part No. - RV5C387A_03 |
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Similar Description - RV5C387A_03 |
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