TMP411ADRG4 Datasheet, PDF (18/32 Pages) Texas Instruments – ±1°C Remote and Local TEMPERATURE SENSOR with N-Factor and Series Resistance Correction

TMP411
SBOS383C − DECEMBER 2006 − REVISED MAY 2008
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1
SCL
91
9
…
SDA
1 0 0 1 1 0 0⁽¹⁾ R/W
P7 P6 P5 P4 P3 P2 P1 P0
…
Start By
Master
ACK By
TMP411A
ACK By
TMP411A
Frame 1 Two−Wire Slave Address Byte
Frame 2 Pointer Register Byte
1
9
1
9
SCL
(Continued)
SDA
(Continued)
D7 D6 D5 D4 D3 D2 D1 D0
ACK By
TMP411A
Frame 3 Data Byte 1
D7 D6 D5 D4 D3 D2 D1 D0
ACK By Stop By
TMP411A Master
Frame 4 Data Byte 2
NOTE (1): Slave address 1001100 (TMP411A) shown. Slave address changes for TMP411B and TMP411C. See Ordering Information table for more details.
Figure 14. Two-Wire Timing Diagram for Write Word Format
1
91
9
SCL
SDA
1
Start By
Master
0
01
1
0 0⁽¹⁾ R/W
P7 P6 P5 P4 P3 P2 P1 P0
ACK By
TMP411A
Frame 1 Two−Wire Slave Address Byte
ACK By
TMP411A
Frame 2 Pointer Register Byte
1
91
9
SCL
(Continued)
SDA
1
(Continued)
Start By
Master
0
0
1
1
0 0⁽¹⁾ R/W
D7 D6 D5 D4 D3 D2 D1 D0
ACK By
TMP411A
Frame 3 Two−Wire Slave Address Byte
From
TMP411A
Frame 4 Data Byte 1 Read Register
NACK By
Master⁽²⁾
NOTES: (1) Slave address 1001100 (TMP411A) shown. Slave address changes for TMP411B and TMP411C. See Ordering Information table for more details.
(2) Master should leave SDA high to terminate a single−byte read operation.
Figure 15. Two-Wire Timing Diagram for Single-Byte Read Format
18