71M6521 Demo Board User’s Manual
Page: 38 of 111
© 2005-2009 TERIDIAN Semiconductor Corporation
Revision 2.18
Name
Purpose
Function or LSB Value
CLI
Format
L in
bits
XDATA
IThrshldA
Starting current,
element A
SQSUM
I
LSB
0
2
16
=
)0
unsigned
32
0x0000
0 in this location disables creep logic for both element A
and B. The default value is 241610. The current threshold
for this value is
mA
LSB
80
3600
10
6952
.
6
442
2
241610
13
16
=
⋅
⋅
=
−
if
IMAX
= 442 A.
Config
Configure meter
operation on the fly.
bit 0:** reserved
0: VA = Vrms * Irms;
1:
2
2
VARh
Wh
VA
+
=
bit1:* 1 = Clears accumulators
bit2:*1 = Calibration mode
bit3:** reserved: 1 = enable
tamper detection
bit 5: 1 = battery modes enabled
)1
N/A
8
0x0004
VPThrshld
error if exceeded.*
SQSUM
V
LSB
0
2
16
=
)2
unsigned
32
0x0005
IPThrshld
error if exceeded.*
SQSUM
I
LSB
0
2
16
=
)3
unsigned
32
0x0009
Y_Cal_Deg0
RTC adjust
100ppb
)4
signed
16
0x000D
Y_Cal_Deg1
RTC adjust, linear by
temp.*
10ppb*ΔT, in 0.1˚C
)5
signed
16
0x000F
Y_Cal_Deg2
RTC adjust, squared
by temp.*
1ppb*ΔT
2
, in 0.1
˚C
)6
signed
16
0x0011
PulseWSourc
e
PulseVSourc
e
Wh Pulse source,
VARh pulse source
selection*
See table for PulseWSource and
PulseVSource
)7
)8
unsigned
8
0x0013
0x0014
Vmax
Scaling Maximum
Voltage for PCB,
equivalent to 176mV
at the VA/VB pins
0.1V
)9
unsigned
16
0x0015
ImaxA
Scaling maximum
current for PCB,
element A, equi-
valent to 176mV at
the IA pin
0.1A
)A
unsigned
16
0x0017
ppmc1
ADC linear adjust
with temperature
PPM per degree centigrade.
Default value is +150.
)B
signed
16
0x0019
ppmc2
ADC quadratic adjust
with temperature
PPM per degree centigrade
squared. Default value is -392.
)C
signed
16
0x001B
Pulse 3
source
Source for software
pulse output 3**
See table for PulseWSource and
PulseVSource
)D
unsigned
8
0x001D
Pulse 4
source
Source for software
pulse output 4**
See table for PulseWSource and
PulseVSource
)E
unsigned
8
0x001E
Scal
Duration for auto-
calibration** in
seconds
Count of accumulation intervals to
be used for auto-calibration.
)F
unsigned
16
0x001F
