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TAS5713 数据表(PDF) 32 Page - Texas Instruments |
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TAS5713 数据表(HTML) 32 Page - Texas Instruments |
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32 / 72 page  A6 A5 A0 R/W ACK A7 A6 A5 A4 A0 ACK A6 A5 A0 ACK Start Condition Stop Condition Acknowledge Acknowledge Acknowledge I CDevice Addressand 2 Read/WriteBit Subaddress DataByte D7 D6 D1 D0 ACK I CDevice Addressand Read/WriteBit 2 Not Acknowledge R/W A1 A1 RepeatStart Condition T0036-03 A6 A0 ACK Acknowledge I CDevice Addressand Read/WriteBit 2 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 I CDevice Addressand Read/WriteBit 2 Subaddress OtherDataBytes A7 A6 A5 D7 D0 ACK Acknowledge D7 D0 T0036-04 TAS5713 SLOS637A – DECEMBER 2009 – REVISED AUGUST 2010 www.ti.com Single-Byte Read As shown in Figure 44, a single-byte data-read transfer begins with the master device transmitting a start condition, followed by the I2C device address and the read/write bit. For the data read transfer, both a write followed by a read are actually done. Initially, a write is done to transfer the address byte or bytes of the internal memory address to be read. As a result, the read/write bit becomes a 0. After receiving the TAS5713 address and the read/write bit, TAS5713 responds with an acknowledge bit. In addition, after sending the internal memory address byte or bytes, the master device transmits another start condition followed by the TAS5713 address and the read/write bit again. This time, the read/write bit becomes a 1, indicating a read transfer. After receiving the address and the read/write bit, the TAS5713 again responds with an acknowledge bit. Next, the TAS5713 transmits the data byte from the memory address being read. After receiving the data byte, the master device transmits a not-acknowledge followed by a stop condition to complete the single-byte data-read transfer. Figure 44. Single-Byte Read Transfer Multiple-Byte Read A multiple-byte data-read transfer is identical to a single-byte data-read transfer except that multiple data bytes are transmitted by the TAS5713 to the master device as shown in Figure 45. Except for the last data byte, the master device responds with an acknowledge bit after receiving each data byte. Figure 45. Multiple-Byte Read Transfer 32 Submit Documentation Feedback Copyright © 2009–2010, Texas Instruments Incorporated Product Folder Link(s): TAS5713 |
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