参数资料
型号: 71M6511H-IGT/F
厂商: Maxim Integrated
文件页数: 72/98页
文件大小: 0K
描述: IC ENERGY METER RESIDENT 64-LQFP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 160
系列: *
71M6511/71M6511H
Single-Phase Energy Meter IC
A Maxim Integrated Products Brand
DATA SHEET
NOVEMBER 2010
CE
Name
Default
Description
Address
When PULSE_SLOW > 0, the pulse generator input is reduced 64x.
When PULSE_FAST > 0, the pulse generator input is increased 16x.
0x28
PULSE_SLOW
1
These two parameters control the pulse gain factor X (see table below).
Allowed values are either 1 or –1.
X
PULSE_SLOW
PULSE_FAST
1.5 * 2 2 = 6
-1
-1
1.5 * 2 = 96
0x29
PULSE_FAST
1
6
-1
1
1.5 * 2 = 0.09375
Kh =
1.5
-4
1
1 (default)
-1
1 (default)
0x2D
WRATE
1556
VMAX * IMAX *47.1132 / ( In_8 * WRATE *N ACC *X) Wh/pulse (for MUX_DIV = 1) .
VMAX * IMAX *36.2409 / ( In_8 * WRATE *N ACC *X) Wh/pulse (for MUX_DIV = 2) .
0x36
SUM_PRE
2520
PRE_SAMPS * SUM_CYCLES. This variable is also called N ACC .
Should be 15 or 0. When zero, causes the pulse generators to respond to
0x37
EXT_PULSE
15
WSUM_X and VARSUM_X . Otherwise, the generators respond to values the
MPU places in APULSEW and APULSER .
The maximum pulse width (low-going pulse) is:
0x3C
PULSE_WIDTH
50
(2 * PULSE_WIDTH + 1) * 397μs (for MUX_DIV = 1)
(2 * PULSE_WIDTH + 1) * 305μs (for MUX_DIV = 2)
0 is a legitimate value.
Wh pulse generator input, to be updated by the MPU when using external pulse
APULSEW * F S * 2
* WRATE * 2
0x26
APULSEW
0
generation (see DIO_PW bit). The output pulse rate is:
-32 -14
This input is buffered and can be updated by the MPU during a computation in-
terval. The change will take effect at the beginning of the next interval.
VARh pulse generator input to be updated by the MPU when using external
* WRATE * 2 -14
APULSER * F S *2
0x27
APULSER
0
pulse generation (see DIO_PV bit). The output pulse rate is:
-32
This input is buffered and can be updated by the MPU during a computation in-
terval. The change will take effect at the beginning of the next interval.
Page: 72 of 98
? 2005–2010 Teridian Semiconductor Corporation
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