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TMP007AIYZFT データシートの表示(PDF) - Texas Instruments

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TMP007AIYZFT Infrared Thermopile Sensor with Integrated Math Engine TI
Texas Instruments TI
TMP007AIYZFT Datasheet PDF : 55 Pages
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TMP007
SBOS685C – APRIL 2014 – REVISED JULY 2015
1
SCL
91
www.ti.com
9
¼
SDA
1
Start By
Master
0
0
0 A2(1) A1(1) A0(1) R/W
0
ACK By
Device
Frame 1 Two-Wire Slave Address Byte
0 P5 P4 P3 P2 P1 P0
¼
ACK By
Device
Frame 2 Pointer Register Byte
1
SCL
(Continued)
91
9
¼
SDA
1
(Continued)
Start By
Master
0
0
0 A2(1) A1(1) A0(1) R/W
D15 D14 D13 D12 D11 D10 D9 D8
Frame 3 Two-Wire Slave Address Byte
ACK By
Device
From
Device
Frame 4 Data Byte 1 Read Register
¼
ACK By
Master(2)
1
9
SCL
(Continued)
SDA
(Continued) D7 D6
D5 D4 D3 D2 D1 D0
From
Device
ACK By
Master(3)
Frame 5 Data Byte 2 Read Register
Stop By
Master
(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
ALERT
1
91
9
SCL
SDA
0 0 0 1 1 0 0 R/W
1
0
0
0 A2(1) A1(1) A0(1) Status
Start By
Master
ACK By
Device
Frame 1 SMBus ALERT Response Address Byte
From
Device
NACK By Stop By
Master Master
Frame 2 Slave Address From Device
(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
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