参数资料
型号: TMP431BDGKT
厂商: TEXAS INSTRUMENTS INC
元件分类: 模拟信号调理
英文描述: SPECIALTY ANALOG CIRCUIT, PDSO8
封装: GREEN, PLASTIC, MSOP-8
文件页数: 20/40页
文件大小: 790K
代理商: TMP431BDGKT
Frame 1 Two- Wire Slave Address Byte
Frame 2 Pointer Register Byte
Frame 4 Data Byte 2
1
Start By
Master
ACK By
TMP431
A/31C
A/32
ACK By
TMP431
A/31C
A/32
ACK By
TMP431
A/
31C
A/32
Stop By
Master
1
9
1
D7
D6
D5
D4
D3
D2
D1
D0
9
Frame 3 Data Byte 1
ACK By
TMP431
A/31C
A/32
1
D7
SDA
(Continued)
SCL
(Continued)
D6
D5
D4
D3
D2
D1
D0
9
SDA
SCL
0
1
0
0(1)
R/W
P7
P6
P5
P4
P3
P2
P1
P0
NOTE (1): Slave address 1001100 (TMP431A/32A/31C) shown. Slave address changes for TMP431B/32B/31D. See
table for more details.
Ordering Information
Frame 1 Two-Wire Slave Address Byte
Frame 2 Pointer Register Byte
1
Start By
Master
ACK By
TMP431A/32A/31C
ACK By
TMP431
A/31C
A/32
Frame 3 Two-Wire Slave Address Byte
Frame 4 Data Byte 1 Read Register
Start By
Master
ACK By
TMP431
A/31C
A/32
NACK By
Master
(2)
From
TMP431
A/31C
A/32
1
9
1
9
1
9
1
9
SDA
SCL
0
1
R/
W
P7
P6
P5
P4
P3
P2
P1
P0
SDA
(Continued)
SCL
(Continued)
1
0
1
0
(1)
1
0
(1)
R/
W
D7
D6
D5
D4
D3
D2
D1
D0
(1) Slave address 1001100 (TMP431A/32A/31C) shown. Slave address changes for TMP431B/32B/31D. See
table for more details.
Ordering Information
(2) Master should leave SDA high to terminate a single-byte read operation.
NOTES:
SBOS441C
– SEPTEMBER 2009 – REVISED FEBRUARY 2011
Figure 17. Two-Wire Timing Diagram for Write Word Format
Figure 18. Two-Wire Timing Diagram for Single-Byte Read Format
2009–2011, Texas Instruments Incorporated
27
Product Folder Link(s): TMP431 TMP432
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