參數(shù)資料
型號: STDS75
廠商: 意法半導(dǎo)體
元件分類: 溫度/濕度傳感器
英文描述: Digital temperature sensor and thermal watchdog
中文描述: 數(shù)字溫度傳感器和熱看門狗
文件頁數(shù): 17/37頁
文件大小: 204K
代理商: STDS75
STDS75
Functional description
17/37
3.1.2
Configuration register
The Configuration register is used to store the device settings such as Device Operation
mode, OS/INT Operation mode, OS/INT Polarity, and OS/INT Fault Queue.
The Configuration register allows the user to program various options such as conversion
resolution (see
Table 7
), thermostat fault tolerance, thermostat polarity, thermostat
operating mode, and shutdown mode. The user has READ/WRITE access to all of the bits
in the Configuration register except the MSB (Bit7), which is reserved as a “Read only” bit
(see
Table 6
). The entire register is volatile and thus powers-up in its default state only.
Table 6.
Table 7.
Configuration register format
Byte
MSB
LSB
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
STDS75
Reserved
RC1
RC0
FT1
FT0
POL
M
SD
Default
0
0
0
0
0
0
0
0
Keys:
SD =Shutdown Control Bit
FT1 =Fault Tolerance1 Bit
M =Thermostat Mode
(1)
1.
Indicates Operation mode; 0 = Comparator mode, and 1 = Interrupt mode (see
Comparator mode on
page 12
and
Interrupt mode on page 13
).
RC0 =Resolution Conversion0 Bit
POL =Output Polarity
(2)
2.
The OS/INT is active-low ('0').
RC1 =Resolution Conversion1 Bit
FT0 =Fault Tolerance0 Bit
Bit7 =Must be set to '0.' Reserved
Programmable resolution configurations
RC1
RC0
Resolution
Conversion Time
Remarks
0
0
9-bit
0.5°C
150ms
Default Resolution
0
1
10-bit
0.25°C
300ms
1
0
11-bit
0.125°C
600ms
1
1
12-bit
0.0625°C
1200ms
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