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CSE7759B Datasheet(PDF) 18 Page - Core Technology (Shenzhen) Co., Ltd.

Part No. CSE7759B
Description  Calibration-free Electric Energy Measuring Chip
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Maker  CHIPSEA [Core Technology (Shenzhen) Co., Ltd.]
Homepage  http://www.chipsea.com/
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 18 page
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本资料为芯海科技专有财产,非经许可,不得复制、翻印或转变其他形式使用。
This document is exclusive property of CHIPSEA and shall not be reproduced or copied or transformed to any other format
without prior permission of CHIPSEA
聚点滴之芯.成浩瀚之海
18/25
because the voltage and current are sampled in the chip, at least 800 ms time. Therefore, after the
chip reset, at least 800 ms time current cycle is 0.
As shown in fig.5: current cycle is 8 times for 0.
55
5A
2
C6
F0
0
2
83
0
3C
0F
0
0
0
4B
97
90
0
2
45
51
0
A4
36
55
5A
2
C6
F0
0
2
83
0
3C
0F
0
0
0
4B
97
90
0
2
48
51
1
58
EE
55
5A
2
C6
F0
0
2
83
0
3C
0F
0
0
0
4B
97
90
0
2
46
51
2
0C
A1
55
5A
2
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2
83
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3C
0F
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0
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4B
97
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2
47
51
2
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56
55
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2
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2
83
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0
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4B
97
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2
49
51
3
73
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55
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2
83
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0
0
4B
97
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27
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55
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0
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47
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4
DB
73
55
5A
2
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2
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4B
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90
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2
47
51
5
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28
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1
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1
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4B
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90
0
2
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71
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11
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0
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48
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31
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2
83
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0
1
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4B
97
90
0
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48
71
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2
81
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0
1
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4B
97
90
0
2
46
71
0B
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95
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0
2
81
0
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0F
0
1
F7
4B
97
90
0
2
48
71
0C
96
4D
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0
2
81
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1
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4B
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90
0
2
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2
81
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1
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90
0
2
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0
2
81
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0
1
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4B
97
90
0
2
46
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0F
65
1D
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0
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0
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0
1
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4B
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90
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19
D3
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1
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4B
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90
0
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71
10
CD
87
55
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2
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F0
0
2
81
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3C
0F
0
1
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4B
97
90
0
2
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71
11
80
3A
55
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1
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12
34
F2
Figure 5
3.6 Calibration Mode
3.6.1 Calibration Address Selection
After CSE7759B is powered on for the first time, calibration process shall be applied
(when packet header 1: 0AAH, it indicates the chip shall be used after calibration. The chip will
be calibrated once when being delivered): Read serial port data to obtain voltage cycle, current
cycle and power cycle. Write the results into 3n0h~3nFh addresses (n=A, B, C, D, E, F) of the
chip after calculation in upper computer in combination with calibration device. Details are as
follows:




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