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AN3254 Datasheet(PDF) 12 Page - STMicroelectronics

Part # AN3254
Description  SPI protocol for the STPMC1 metering device
PDF  24 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

AN3254 Datasheet(HTML) 12 Page - STMicroelectronics

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SPI operations
AN3254
12/24
Doc ID 17783 Rev 1
Figure 6.
STPMC1 data registers
 
parity
parity
parity
parity
20 bit
8 bit
4 bit
DAR
DAS
DAT
CF1
CF0
DRR
DRS
DRT
R-phase active energ y wide band
R-phase status
DFR
DFS
DFT
CF2
28 bit
S-p hase status
S-phase active energ y wid e band
T-phase active energ y wide band
T-phase status
b its [27..0] of configurators
parity
parity
parity
parity
R-phase reactive energy
R-phase status
S-p hase status
S-phase reactive en ergy
T-phase reactive energy
T-phase status
bits [55..28] of configurators
parity
parity
parity
parity
R-phase active energy fundamental
R-phase status
S-p hase status
S-phase active energ y fundamental
T-phase active energy fundamental
T-phase status
bits [83..56] of configurators
ACR
ACS
ACT
CF3
parity
parity
parity
parity
iR RMS Ah accumulator if bad uR
R-phase elapsed
S-p hase elapsed
iS RM S Ah accu mu lator if bad uS
iT RM S Ah accumulator if bad uT
T-phase elapsed
bits [111..84] of configurators
parity
parity
parity
parity
20 bit
20 bit
8 bit
4 bit
DAR
DAS
DAT
CF1
CF0
DRR
DRS
DRT
R-phase active energ y wide band
R-phase status
DFR
DFS
DFT
CF2
28 bit
S-p hase status
S-phase active energ y wid e band
T-phase active energ y wide band
T-phase status
b its [27..0] of configurators
parity
parity
parity
parity
R-phase reactive energy
R-phase status
S-p hase status
S-phase reactive en ergy
T-phase reactive energy
T-phase status
bits [55..28] of configurators
parity
parity
parity
parity
R-phase active energy fundamental
R-phase status
S-p hase status
S-phase active energ y fundamental
T-phase active energy fundamental
T-phase status
bits [83..56] of configurators
ACR
ACS
ACT
CF3
parity
parity
parity
parity
iR RMS Ah accumulator if bad uR
R-phase elapsed
S-p hase elapsed
iS RM S Ah accu mu lator if bad uS
iT RM S Ah accumulator if bad uT
T-phase elapsed
bits [111..84] of configurators



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