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TDA7466 Datasheet(PDF) 8 Page - STMicroelectronics |
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TDA7466 Datasheet(HTML) 8 Page - STMicroelectronics |
8 / 21 page SOFTWARE SPECIFICATION Interface Protocol The interface protocol comprises: A start condition (S) A chip address byte, containing the TDA7466 address A subaddress bytes A sequence of data (N byte + achnowledge) A stop condition (P) ACK = Achnowledge S = Start P = Stop A = Address B = Auto Increment S 1 0 0 0 0 0 A 0 ACK ACK DATA ACK P MSB LSB MSB LSB MSB LSB CHIP ADDRESS D95AU226A B DATA SUBADDRESS DATA 1 to DATA n EXAMPLES No Incremental Bus The TDA7466 receives a start condition, the cor- rect chip address, a subaddress with the MSB = 0 (no incremental bus), N-data (all these data con- cern the subaddress selected), a stop condition. S 1 0 0 0 0 0 A 0 ACK ACK DATA ACK P MSB LSB MSB LSB MSB LSB CHIP ADDRESS D95AU306 0D3 SUBADDRESS DATA XXX D2 D1 D0 Incremental Bus The TDA7466 receives a start condition, the cor- rect chip address, a subaddress with the MSB = 1 (incremental bus): now it is in a loop condition with an autoincrease of the subaddress whereas SUBADDRESS from "1XXX1010" to "1XXX1111" of DATA are ignored. The DATA 1 concerns thesubaddress sent, and the DATA 2 concerns the subaddress sent plus one in the loop etc. and, at the end, it receives the stop condition. S 1 0 0 0 0 0 A 0 ACK ACK DATA ACK P MSB LSB MSB LSB MSB LSB CHIP ADDRESS D95AU307 1D3 SUBADDRESS DATA 1 to DATA n XXX D2 D1 D0 TDA7466 8/21 |
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Descripción similar - TDA7466 |
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