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TMP007 датащи(PDF) 22 Page - Texas Instruments |
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TMP007 датащи(HTML) 22 Page - Texas Instruments |
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22 / 55 page ![]() Frame 1 SMBus ALERT Response Address Byte Frame 2 Slave Address From Device Start By Master ACK By Device From Device NACK By Master Stop By Master 1 9 1 9 SDA SCL ALERT 0 0 0 1 1 0 0 R/W 1 0 0 0 Status A1 (1) A0 (1) A2 (1) Frame 3 Two-Wire Slave Address Byte Frame 4 Data Byte 1 Read Register Start By Master ACK By Device ACK By Master (2) From Device 1 9 1 9 ¼ ¼ SDA (Continued) SCL (Continued) SDA (Continued) SCL (Continued) 1 0 0 A1 (1) A0 (1) R/W D15 D14 D13 D12 D11 D10 D9 D8 Frame 5 Data Byte 2 Read Register Stop By Master ACK By Master (3) From Device 1 9 D7 D6 D5 D4 D3 D2 D1 D0 A2 (1) Frame 1 Two-Wire Slave Address Byte Frame 2 Pointer Register Byte 1 Start By Master ACK By Device ACK By Device 1 9 1 9 SDA SCL 0 0 0 A1 (1) A0 (1) R/W 0 0 P5 P4 P3 P2 P1 P0 ¼ ¼ A2 (1) 0 TMP007 SBOS685C – APRIL 2014 – REVISED JULY 2015 www.ti.com (1) The value of A0, A1, and A2 are determined by the connections of the corresponding pins. (2) Master should leave SDA high to terminate a single-byte read operation. (3) Master should leave SDA high to terminate a two-byte read operation. Figure 25. Two-Wire Timing Diagram for Read Word Format (1) The value of A0, A1, and A2 are determined by the connections of the corresponding pins. Figure 26. Timing Diagram for SMBus Alert 22 Submit Documentation Feedback Copyright © 2014–2015, Texas Instruments Incorporated Product Folder Links: TMP007 |
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