参数资料
型号: STTS751-1DP3E
厂商: STMICROELECTRONICS
元件分类: 模拟信号调理
英文描述: TEMPERATURE SENSOR, PDSO6
封装: 2 x 2 MM, 0.50 MM, HEIGHT, GREEN, UDFN-6
文件页数: 7/36页
文件大小: 576K
代理商: STTS751-1DP3E
STTS751
STTS751 register summary
Doc ID 16483 Rev 4
4.3
Temperature limit register format
The high and low limit registers have the same format as the temperature register with the
integer portion of the two's complement value stored in the high byte and the fractional
portion in the low byte. These registers are read-write.
Note that the high limit defaults to 85 °C.
4.4
Temperature examples
The table below shows several examples of how the data is arranged in the high and low
byte pairs used for the temperature and limit registers.
Note:
The maximum and minimum values for the temperature registers are 127.9375 (7F:F0h,
high byte : low byte) and –64 (C0:00h), respectively. This also applies to the high and low
limit registers.
Table 12.
Temperature limit register (two’s complement format)
ADDR
(hex)
R/W
Register
b7
b6
b5
b4
b3
b2
b1
b0
Power-up
default (hex)
05
R/W
High limit - high byte
sign
64 °C
32 °C
16 °C
8 °C
4°C
2 °C 1 °C 55 (85 °C, dec)
06
R/W
High limit - low byte
°C
1/
8 °C
1/
16 °C
0
00
07
R/W
Low limit - high byte
sign
64 °C
32 °C
16 °C
8 °C
4°C
2 °C 1 °C
00
08
R/W
Low limit - low byte
°C
1/
8 °C
1/
16 °C
0
00
Table 13.
Temperature examples (two’s complement format)
b7
b6
b5
b4
b3
b2
b1
b0
Weighting of the
bits
High byte
sign
64 °C
32 °C
16 °C
8 °C
4°C
2 °C
1 °C
Low byte
°C
1/
8 °C
1/
16 °C
0
–64 °C
High byte
1
0
Low byte
0
–63 °C
High byte
1
0
1
Low byte
0
–1 °C
High byte
1
Low byte
0
+1 °C
High byte
0
1
Low byte
0
+5.3125 °C(1)
High byte
0
1
0
1
Low byte
0
1
0
1
0
+125 °C
High byte
0
1
0
1
Low byte
0
1.
With 12-bit resolution selected.
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