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TPA5051 Datasheet(PDF) 9 Page - Texas Instruments |
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TPA5051 Datasheet(HTML) 9 Page - Texas Instruments |
9 / 19 page www.ti.com A6 A5 A0 R/W ACK A7 A6 A5 A4 A0 ACK A6 A5 A0 ACK Start Condition Stop Condition Acknowledge Acknowledge Acknowledge I2CDeviceAddressand Read/WriteBit Register DataByte D7 D6 D1 D0 ACK I2CDeviceAddressand Read/WriteBit Not Acknowledge R/W A1 A1 RepeatStart Condition MULTIPLE-BYTE READ A6 A0 ACK Acknowledge I2CDeviceAddressand Read/WriteBit R/W A6 A0 R/W ACK A0 ACK D7 D0 ACK Start Condition Stop Condition Acknowledge Acknowledge Acknowledge LastDataByte ACK FirstDataByte RepeatStart Condition Not Acknowledge I2CDeviceAddressand Read/WriteBit Register OtherDataBytes A7 A6 A5 D7 D0 ACK Acknowledge D7 D0 TPA5051 Operation VDD DATA1 LRCLK1 BCLK1 GND DATA_OUT1 SDA SCL ADD0 ADD1 ADD2 GND 3.3V 0.1 F m Digital Audio1 WordClock1 BitClock1 Delayed Audio1 I CClock 2 I CData 2 I C Address Select 2 Digital Audio2 WordClock2 BitClock2 DATA2 LRCLK2 BCLK2 DATA_OUT2 Delayed Audio2 TPA5051 SLOS497A – JUNE 2006 – REVISED JULY 2006 Figure 8. Single-Byte Read Transfer A multiple-byte data read transfer is identical to a single-byte data read transfer except that multiple data bytes are transmitted by the TPA5051 to the master device as shown in Figure 9. With the exception of the last data byte, the master device responds with an acknowledge bit after receiving each data byte. Figure 9. Multiple-Byte Read Transfer The following sections describe the registers configurable via I2C commands for the TPA5051. Only a single decoupling capacitor (0.1 µF–1 µF) is required across VDD and GND. The ADDx terminals can be directly connected to VDD or GND. Table 1 describes the I2C addresses selectable via the ADDx terminals. A schematic implementation of the TPA5051 is shown in Figure 10. Figure 10. TPA5051 Schematic 9 Submit Documentation Feedback |
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