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TAS2563 Datasheet(PDF) 32 Page - Texas Instruments |
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TAS2563 Datasheet(HTML) 32 Page - Texas Instruments |
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32 / 127 page  A6 A5 A4 A3 A2 A1 A0 R/W ACK A7 A6 A5 A4 A3 A2 A1 A0 ACK D7 D6 D5 D4 D3 D2 D1 D0 ACK Start Condition Stop Condition Acknowledge Acknowledge Acknowledge I2CDeviceAddressand Read/WriteBit Register DataByte Figure 8-6. Single-Byte Write Transfer 8.3.7 Multiple-Byte Write and Incremental Multiple-Byte Write A multiple-byte data write transfer is identical to a single-byte data write transfer except that multiple data bytes are transmitted by the master device to the TAS2563 as shown in Figure 8-7. After receiving each data byte, the device responds with an acknowledge bit. Register Figure 8-7. Multi-Byte Write Transfer 8.3.8 Single-Byte Read As shown in Figure 8-8, 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 of the internal memory address to be read. As a result, the read/write bit is set to a 0. After receiving the TAS2563 address and the read/write bit, the device responds with an acknowledge bit. The master then sends the internal memory address byte, after which the device issues an acknowledge bit. The master device transmits another start condition followed by the TAS2563 address and the read/write bit again. This time, the read/write bit is set to 1, indicating a read transfer. Next, the TAS2563 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. 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 Figure 8-8. Single-Byte Read Transfer 8.3.9 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 TAS2563 to the master device as shown in Figure 8-9. With the exception of the last data byte, the master device responds with an acknowledge bit after receiving each data byte. TAS2563 SLASET3B – FEBRUARY 2020 – REVISED DECEMBER 2020 www.ti.com 32 Submit Document Feedback Copyright © 2020 Texas Instruments Incorporated Product Folder Links: TAS2563 |
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