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參數(shù)資料
| 型號： | THMC10DBQ |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 模擬信號調(diào)理 |
| 英文描述： | SPECIALTY ANALOG CIRCUIT, PDSO16 |
| 封裝： | PLASTIC, SSOP-16 |
| 文件頁數(shù)： | 4/22頁 |
| 文件大小： | 312K |
| 代理商： | THMC10DBQ |
THMC10
REMOTE/LOCAL TEMPERATURE MONITOR
WITH SMBus INTERFACE
SLIS089 – DECEMBER 1999
12
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
PRINCIPLES OF OPERATION
SMBus slave address select terminals (ADD0 and ADD1)
The ADD0 and ADD1 terminals allow the user to select between nine unique SMBus slave addresses to allow
up to nine THMC10 devices to be used by the same SMBus host controller. The following truth table shows how
the voltage at ADD0 and ADD1 determines the SMBus slave address of the THMC10.
Table 8. SMBus Slave Address Map (ADD0 and ADD1)
ADD0
ADD1
RESULTING SMBus ADDRESS
0
0011 000
0
3-State
0011 001
0
1
0011 010
3-State
0
0101 001
3-State
0101 010
3-State
1
0101 011
1
0
1001 100
1
3-State
1001 101
1
1001 110
SMBus serial clock input terminal (SCLK)
The SCLK terminal allows the host controller to send a clock signal that synchronizes the data coming into or
out of the SDATA terminal of the THMC10. The frequency of this clock can be anywhere between 10 kHz and
100 kHz. Timing diagrams showing the relationship of SCLK to SDATA are shown in Figure 1 through Figure 4.
SMBus serial data input/output terminal (SDATA)
The SDATA terminal allows the host controller to program the THMC10 with set points and with configuration
data. The SDATA terminal also allows the THMC10 to send data back to the host controller (remote and local
temperature, interrupt status, etc.). Data sent into or out of the SDATA terminal is synchronous with the rising
edge of SCLK. Timing diagrams in Figure 1 through Figure 5 show the relationship between SDATA and SCLK.
Table 1 through Table 5 show the THMC10 register maps that are used to configure and read the THMC10.
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