Cirrus Logic CS5484 - Manual (Page 38)

CS5484
38 DS981F3
DO1MODE[3:0] Output control for DO1 pin.
0000 = Energy pulse generation block 1 (EPG1) output
0001 = Energy pulse generation block 2 (EPG2) output
0010 = Energy pulse generation block 3 (EPG3) output
0011 = Energy pulse generation block 4 (EPG4) output
0100 = P1 sign
0101 = P2 sign
0110 = P
SUM
sign
0111 = Q1 sign
1000 = Q2 sign
1001 = Q
SUM
sign
1010 = Reserved
1011 = V1/V2 zero-crossing
1100 = I1/I2 zero-crossing
1101 = Reserved
1110 = Hi-Z, pin not driven (Default)
1111 = Interrupt
6.6.3 Configuration 2 (Config2) – Page 16, Address 0
Default = 0x06 0200
[23] Reserved.
POS Positive energy only. Suppress negative values in P1
AVG
and P2
AVG
. If a negative val-
ue is calculated, a zero result will be stored.
0 = Positive and negative energy (Default)
1 = Positive energy only
[21:15] Reserved.
APCM Selects the apparent power calculation method.
0 = Vx
RMS

Ix
RMS
(Default)
1 = SQRT(Px
AVG
2
+ Qx
AVG
2
)
[13] Reserved.
ZX_LPF Enable LPF in zero-cross detect.
0 = LPF disabled (Default)
1 = LPF enabled
AVG_MODE Select averaging mode for low-rate calculations.
0 = Use SampleCount (Default)
1 = Use CycleCount
REG_CSUM_OFF Disable checksum on critical registers.
0 = Enable checksum on critical registers (Default)
1 = Disable checksum on critical registers
23 22 21 20 19 18 17 16
- POS - - - 1 1 -
15 14 13 12 11 10 9 8
- APCM - ZX_LPF AVG_MODE REG_CSUM_OFF AFC I2FLT[1]
7 6 5 4 3 2 1 0
I2FLT[0] V2FLT[1] V2FLT[0] I1FLT[1] I1FLT[0] V1FLT[1] V1FLT[0] IIR_OFF