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71M6515H Demo Board User’s Manual
External Pulse Control Area (7):
This area consists of a vertical column of combined display/entry fields to the right of the Pulse Count area.
A field can be made and entry field by selecting “ External ” for the corresponding pulse source in the Pulse
Source Selection area. In all other selections the fields are display fields.
When the corresponding Pulse Source selection in the Pulse Source Selection area is “ External ”, values
can be entered in the External Pulse Control fields to simulate pulse control by the host.
A new value must be entered in each new accumulation interval. The displayed values return to zero as
soon as the next accumulation interval starts and no new values are supplied by the host. If no values are
supplied by the host, the associated flags in the STATUS register (see STATUS/MASK area) will be set.
If very large numbers are entered, the pulses may be generated over several accumulation intervals.
When the corresponding Pulse Source selection in the Pulse Source Selection area is “ Internal ” or post-
processed values, the display fields of the External Pulse Control area contain input values N that
correspond to the pulse rate “f” per the equation:
f = WRATE * X * N * 35.82*10 -12
In other words, the ADC count corresponding to the applied voltages at the Vn and In pins (VA/IA, VB/IB,
VC/IC) will be displayed.
GUI Element
(Label)
Pulse1
Pulse2
Pulse3
Pulse4
Default
0
0
0
0
Function
Host-provided pulse count for the PULSEW output.
Host-provided pulse count for the PULSER output.
Host-provided pulse count for the PULSE3 output.
Host-provided pulse count for the PULS4W output.
Pulse Width and Pulse Rate Control Area (8):
This area consists of two entry fields to the right of the Temperature Compensation area.
GUI Element
(Label)
WRATE
Default
683
Function
This field, together with SUM_CYCLES , VMAX , IMAX and In8 determines
the Kh factor of the chip as follows:
Kh =
VMAX IMAX In 8
SUM _ CYCLES WRATE X
1 . 5757 Wh / Pulse
X is determined by the two fields PULSE_SLOW and PULSE_FAST in the
Configuration area.
Pulse Width
Revision 2.0
6.68ms
This field determines the pulse width in ms.
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? Copyright 2005 TERIDIAN Semiconductor Corporation
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