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AS8218 датащи(PDF) 32 Page - ams AG

номер детали AS8218
подробное описание детали  Highly Integrated Single Phase 2 Current Energy Metering Integrated Circuits
PDF  123 Pages
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производитель  AMSCO [ams AG]
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AS8218 датащи(HTML) 32 Page - ams AG

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Data Sheet AS8218 / AS8228
Revision 3.0, 31-May-06
Page 32 of 123
The following table shows the data which is available in the MDR:
Register Name
Address
Reset Value
Description
samptoend[7:0]
9300h
FFh
samptoend[15:8]
9301h
FFh
Indicates how many samples are left (until nsamp), before the next
interrupt is generated. Using this information the MCU can
determine if it still has time to transfer the MDR data to the MCU
memory.
np[7:0]
9302h
00h
np[15:8]
9303h
00h
np[23:16]
9304h
00h
np[31:24]
9305h
00h
number of fast pulses, equivalent to energy information
accumulated during nsamp samples
sos_v[7:0]
9306h
00h
sos_v[15:8]
9307h
00h
sos_v[23:16]
9308h
00h
sos_v[31:24]
9309h
00h
sos_v[35:32]
930Ah
00h
sum of squares of voltage channel samples
sos_i1[7:0]
930Bh
00h
sos_i1[15:8]
930Ch
00h
sos_i1[23:16]
930Dh
00h
sos_i1[31:24]
930Eh
00h
sos_i1[39:32]
930Fh
00h
sos_i1[47:40]
9310h
00h
sos_i1[53:48]
9311h
00h
sum of squares of current channel 1 samples
sos_i2[7:0]
9312h
00h
sos_i2[15:8]
9313h
00h
sos_i2[23:16]
9314h
00h
sos_i2[31:24]
9315h
00h
sos_i2[39:32]
9316h
00h
sos_i2[47:40]
9317h
00h
sos_i2[53:48]
9318h
00h
sum of squares of current channel 2 samples
Notes:
1) MDR is read-only for MCU. (except for ‘MCU debug mode’, then you can set the register values as
described.)
2) Unused addresses will simply be ignored.
The following flowchart describes how accumulators and registers work together:



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