 English |
|
|
|
|
|
|
|
| 71M6533 Datasheet, PDF (105/132 Pages) Teridian Semiconductor Corporation – Energy Meter IC | |||
| |||
| ◁ |
FDS_6533_6534_004
71M6533/G/H and 71M6534/H Data Sheet
5.3.13 CE Flow Diagrams
Figure 45 through Figure 47 show the data flow through the CE in simplified form. Functions not shown
include delay compensation, sample interpolation, scaling and the processing of meter equations.
multiplexer VREF
de-multiplexer
IA
IA_RAW
VA
VA_RAW
IB
VB
ÎΣ
mod
FIR
IB_RAW
VB_RAW
IC
IC_RAW
VC
VC_RAW
ID
ID_RAW
FS= 2184 Hz
Per channel
FCLK= 4.9152MHz
FS= 2184 Hz
Per channel
Figure 45: CE Data Flow: Multiplexer and ADC
IA_RAW
OFFSET
NULL
x
x
F0
CAL_IA
VA_RAW
OFFSET
NULL
x
x
F0
CAL_VA
...other phases
x
PHASE
COMP
x
x PHADJ_A
IA
LPF
W0
LPF VAR0
V0
90°
F0
GAIN_ADJ
F0
Generator
Figure 46: CE Data Flow: Scaling, Gain Control, Intermediate Variables
Rev 2
105
|
▷ |
German
Russian
Spanish
Italian
Polish
Chinese
Japanese
Korean
French
Portuguese