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BD37068FV-ME2 Datenblatt(PDF) 10 Page - Rohm |
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BD37068FV-ME2 Datenblatt(HTML) 10 Page - Rohm |
10 / 39 page 10/35 BD37068FV-M TSZ02201-0C2C0E100130-1-2 © 2014 ROHM Co., Ltd. All rights reserved. 14.NOV.2016 Rev.002 www.rohm.com TSZ22111・15・001 2. I 2C-bus Format MSB LSB MSB LSB MSB LSB S Slave Address A Select Address A Data A P 1bit 8bit 1bit 8bit 1bit 8bit 1bit 1bit S = Start condition (Recognition of start bit) Slave Address = Recognition of slave address. 7 bits in upper order are optional. The last bit must be “L” for writing. A = Acknowledge bit (Recognition of acknowledgement) Select Address = Address for each function Data = Data of each function P = Stop condition (Recognition of stop bit) 3. I 2C-bus Interface Protocol 1) Basic form S Slave Address A Select Address A Data A P MSB LSB MSB LSB MSB LSB 2) Automatic increment(Select Address increases (+1) according to the number of data) S Slave Address A Select Address A Data1 A Data2 A ・・・・ Data N A P MSB LSB MSB LSB MSB LSB MSB LSB MSB LSB (Example)①Data 1 shall be set as data of address specified by Select Address. ② Data 2 shall be set as data of address specified by Select Address +1. ③ Data N shall be set as data of address specified by Select Address +(N-1). 3) Configuration unavailable for transmission (In this case, only Select Address 1 is set.) S Slave Address A Select Address1 A Data A Select Address 2 A Data A P MSB LSB MSB LSB MSB LSB MSB LSB MSB LSB (Note)If any data is transmitted as Select Address 2 next to data, It is recognized as data, not as Select Address 2. 4. Slave Address MSB LSB A6 A5 A4 A3 A2 A1 A0 R/W 1 0 0 0 0 0 0 0 80(hex) |
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Ähnliche Beschreibung - BD37068FV-ME2 |
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