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TMP114 Datasheet(PDF) 23 Page - Texas Instruments

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Part # TMP114
Description  TMP118 Ultra-small, High-Accuracy, Low-power, Digital Temperature Sensor With SMBus™- and I2C-compatible Interface
PDF  41 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

TMP114 Datasheet(HTML) 23 Page - Texas Instruments

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Controller drives SDA
Target drives SDA
S
A6
A5
A4
A3
A2
A1
A0
0
A
0
0
0
0
P3
P2
P1
P0
A
D15
D14
D13
D12
D11
D10
D9
D8
A
D7
D6
D5
D4
D3
D2
D1
D0
NA
P
START
R/W
ACK from Target
ACK from Target
ACK from Controller
NACK from Controller
STOP
Target Address
Register Pointer (N)
Data to Register N (MSB)
Data to Register N (LSB)
RS
A6
A5
A4
A3
A2
A1
A0
1
A
START
R/W
Target Address
Figure 7-12. Read from Single Register
7.5.1.1.4 General-Call Reset Function
A "General-Call Reset Function" in SMBus refers to a mechanism where a controller can send a signal to all
target devices on the bus simultaneously, essentially initiating a reset operation on every connected device by
broadcasting a special address known as the "General Call Address" instead of addressing to a specific target
address. The feature allows for a coordinated reset across all devices on the bus, often used for system-wide
initialization or error recovery scenarios.
The TMP118 responds to a two-wire, general-call address (0000000b) if the eighth bit is 0b. The device
acknowledges the general-call address and responds to commands in the second byte. If the second byte is
0000011b or 06h, the TMP118 internal registers are reset to power-up values as shown in Figure 7-13.
S
0
0
0
0
0
0
0
0
A
START
General Call Address
0
0
0
0
1
1
0
A
0
ACK from Target
ACK from Target
Target controls SDA line
Controller controls SDA line
P
STOP
Reset Command
Figure 7-13. SMBus General Call Reset Diagram
www.ti.com
TMP118
SNIS237 – DECEMBER 2024
Copyright © 2024 Texas Instruments Incorporated
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Product Folder Links: TMP118



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