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參數(shù)資料
| 型號： | TC7MTX01FK |
| 廠商： | Toshiba Corporation |
| 英文描述： | TOSHIBA CMOS DIGITAL INTEGRATED CIRCUIT SILICON MONOLITHIC |
| 中文描述： | 東芝的CMOS數(shù)字集成電路硅單片 |
| 文件頁數(shù)： | 9/16頁 |
| 文件大?。?/td> | 176K |
| 代理商： | TC7MTX01FK |
TC7MTX01FK
2002-03-18
9
Temperature Sensor
The IC incorporates a temperature sensor which can detect temperatures with an accuracy of 1 C. The sum of
the output from the temperature sensor (after conversion to a digital value) and the 25 C temperature sensor
compensation data (stored at address 0FH) is used as the E
2
PROM address of the compensation data.
In Normal Operation Mode, the temperature sensor is inactive. The sensor is triggered by the rising edge of
STB or by the Trig.1 input. On completion of operation, the sensor returns to its inactive state.
The 25 C temperature sensor compensation data can be written to address 0FH of the E
2
PROM as follows:
1. Measurement of ambient temperature and device temperature data
(before compensation)
The ambient temperature of the test environment is measured.
Read the temperature data of TC7MTX01FK before compensation
2. Calculation of 25 C temperature sensor compensation data
If the ambient temperature is 25 C, the compensation data can be calculated as follows:
25 C temperature sensor compensation data = 3FH temperature data before compensation
If the ambient temperature is not 25 C, add the difference between the ambient temperature and 25 C
to the result of the above calculation.
The following table shows 25 C temperature sensor compensation values corresponding to the ambient
temperature and the raw temperature data
25 C temperature sensor compensation values corresponding to the ambient temperature
and the temperature data before compensation
Ambient Temperature in Test Environment
Temperature Data
before Compensation
(TC7MTX01FK)
82
81
80
7F
7E
7D
7C
7B
7A
79
21°C
22°C
23°C
24°C
25°C
26°C
27°C
28°C
29°C
BA
BB
BC
BD
BE
BF
C0
C1
C2
C3
BB
BC
BD
BE
BF
C0
C1
C2
C3
C4
BC
BD
BE
BF
C0
C1
C2
C3
C4
C5
BD
BE
BF
C0
C1
C2
C3
C4
C5
C6
BE
BF
C0
C1
C2
C3
C4
C5
C6
C7
BF
C0
C1
C2
C3
C4
C5
C6
C7
C8
C0
C1
C2
C3
C4
C5
C6
C7
C8
C9
C1
C2
C3
C4
C5
C6
C7
C8
C9
CA
BA
BB
BC
BD
BE
BF
C0
C1
C2
78
C3
C4
C5
C6
C7
C8
C9
CA
CB
77
76
C4
C5
C5
C6
C6
C7
C7
C8
C8
C9
C9
CA
CA
CB
CB
CC
CC
CD
75
74
C6
C7
C7
C8
C8
C9
C9
CA
CA
CB
CB
CC
CC
CD
CD
CE
CE
CF
73
72
C8
C9
C9
CA
CA
CB
CB
CC
CC
CD
CD
CE
CE
CF
CF
D0
D0
D1
71
70
CA
CB
CB
CC
CC
CD
CD
CE
CE
CF
CF
D0
D0
D1
D1
D2
D2
D3
6F
6E
6D
6C
6B
6A
69
CC
CD
CE
CF
D0
D1
D2
CD
CE
CF
D0
D1
D2
D3
CE
CF
D0
D1
D2
D3
D4
CF
D0
D1
D2
D3
D4
D5
D0
D1
D2
D3
D4
D5
D6
D1
D2
D3
D4
D5
D6
D7
D2
D3
D4
D5
D6
D7
D8
D3
D4
D5
D6
D7
D8
D9
D4
D5
D6
D7
D8
D9
All values above are hexadecimal
.
3. E
2
PROM Write
This instruction writes the 25 C address compensation data to address 0FH in the E
2
PROM.
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