71M6513 Maxim, 71M6513 Datasheet - Page 75

• Manufacturer Part Number: 71M6513
• Description: The 71M6513 and 71M6513H are highly integrated SoCs with an MPU core, RTC, flash, and LCD driver
• Manufacturer: Maxim

Address
0x2D
0x3C
0x28
0x29
0x36
0x37
0x26
0x27
CE
A Maxim Integrated Products Brand
PULSE_WIDTH
PULSE_SLOW
PULSE_FAST
EXT_PULSE
SUM_PRE
APULSEW
APULSER
WRATE
Name
Default
2520
683
15
50
1
1
0
0
© 2005-2011 Teridian Semiconductor Corporation
Description
When PULSE_SLOW > 0, the pulse generator input is reduced 64x.
When PULSE_FAST > 0, the pulse generator input is increased 16x.
These two parameters control the pulse gain factor X (see table below).
Allowed values are either 1 or –1.
Kh = VMAX*IMAX *66.1782 / (In_8 *WRATE*N
PRE_SAMPS * SUM_CYCLES (N
Should be 15 or 0. When zero, causes the pulse generators to respond to
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:
(2 * PULSE_WIDTH + 1) * 66µs. 0 is a legitimate value.
Wh pulse generator input, to be updated by the MPU when using external pulse
generation (see DIO_PW bit). The output pulse rate is:
APULSEW * F
This input is buffered and can be updated by the MPU during a computation
interval. 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
pulse generation (see DIO_PV bit). The output pulse rate is:
APULSER * F
This input is buffered and can be updated by the MPU during a computation
interval. The change will take effect at the beginning of the next interval.
X
1.5 * 2
1.5 * 2
1.5 * 2
1.5
2
6
-4
S
S
= 6
= 96
*2
= 0.09375
* 2
-32
-32
3-Phase Energy Meter IC
* WRATE * 2
* WRATE * 2
PULSE_SLOW
-1
-1
1
1 (default)
71M6513/71M6513H
-14
ACC
-14
)
DATA SHEET
ACC
*X) Wh/pulse.
PULSE_FAST
-1
1
-1
1 (default)
SEPTEMBER 2011
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