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STPMC1 数据表(PDF) 39 Page - STMicroelectronics

部件名 STPMC1
功能描述  Programmable poly-phase energy calculator IC
PDF  77 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

STPMC1 数据表(HTML) 39 Page - STMicroelectronics

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STPMC1
Theory of operation
Doc ID 15728 Rev 6
39/77
Example 12: Phase delay calculation
fXTAL1 = 4 MHz; MDIV = 0; FR1 = 0
→ f
MCLK = 8 MHz
fLINE = 50 Hz
→ T = 20 ms;
ACR[7:0] = 0101 1010
ACS[7:0] = 0010 0000
ACT[7:0] = 0000 0101
Asr[12] = 0
Asr[10:0] = 000 0101 00102 = 82
Art[12] = 0
Art[10:0] = 000010110102 = 90
Example 13: Phase delay calculation
fXTAL1 = 4 MHz; MDIV = 0; FR1 = 0
→ f
MCLK = 8 MHz
fLINE = 50 Hz
→ T = 20 ms;
ACR[7:0] = 1011 0011
ACS[7:0] = 0011 1111
ACT[7:0] = 0000 0101
Asr[12] = 0
Asr[10:0] = 000 0101 00112 = 83
Art[12] = 1
Art[10:0] = 111 1011 00112 = 1971
[]
() []
()
°
+
=
°
⋅
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⋅
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5
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1
360
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20
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82
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82
10
8
8
1
2
0
0000101001
MCLK
8
1
2
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:
10
Asr
time
6
0
11
2
12
Asr
11
Asr
[]
() []
()
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6
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90
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90
10
8
8
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2
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MCLK
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1
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10
Art
time
6
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12
Art
11
Art
[]
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−
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5
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360
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20
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83
s
83
10
8
8
1
2
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0000101001
MCLK
8
1
2
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:
10
Asr
time
6
0
11
2
12
Asr
11
Asr
[]
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4
,
1
360
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20
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76
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76
10
8
8
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2
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1111011001
MCLK
8
1
2
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:
10
Art
time
6
1
11
2
12
Art
11
Art



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