71m6515h Maxim Integrated Products, Inc., 71m6515h Datasheet - Page 45
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71m6515h
Manufacturer Part Number
71m6515h
Description
71m6515h Energy Meter Ic
Manufacturer
Maxim Integrated Products, Inc.
Datasheet
1.71M6515H.pdf
(57 pages)
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Registers Controlling Time and RTC Functions
OP_TIME (0x1E)
RTC_DATE (0x20)
RTC_TIME_DAY (0x1F)
Registers Used for Test Functions
RTM (0x21)
Page: 45 of 57
This register holds the operating time expressed in 1/100 hours. The register will be reset to zero whenever the host writes
time or date to the RTC.
This register holds the date information provided by the RTC. The register can be written to in order to set the date.
Bits 15-8: These bits contain the year information (0 to 255). The value 0 represents the year 2000.
Bits 23-16: These bits contain the month information (01 to 12). The value 01 represents January.
Bits 31-24: These bits contain the day of month information (01 to 31).
This register holds the time and day information provided by the RTC. The register can be written to in order to set the
time.
Bits 7-0: These bits contain the day of the week (01 to 07). The value 01 represents Sunday.
Bits 15-8: These bits contain the hour information (00 to 23). The value 00 represents midnight.
Bits 23-16: These bits contain the minutes information (00 to 59).
Bits 31-24: These bits contain the seconds information (00 to 59).
This register controls the Real-Time Monitor. When the RTM_EN bit in the CONFIG register is set, the values of CE RAM
locations specified with the RTM register can be routed to the TMUX pin as a serial data stream. The TMUX bits in the
CONFIG register must be set to 3 in order to select the RTM output for the TMUX pin.
Bits 7-0: These bits (RTM3) select the CE address for RTM3.
Bits 15-8:. These bits (RTM2) select the CE address for RTM2.
Bits 23-16: These bits (RTM1) select the CE address for RTM1.
Bits 31-24: These bits (RTM0) select the CE address for RTM0.
V
I
_
_
since the last reset or power-up for
t = 800850/100h = 8008.50h or 8,008h and 30 minutes (333.6875 days or 333 days and 16.5h).
Example: The value 200835 is read from the OP_TIME register. This means that the meter has been running
PTHRESHOLD
PTHRESHOLD
=
=
LSB
400
LSB
520
© 2005-2008 TERIDIAN Semiconductor Corporation
=
=
450
450
SUM
SUM
.
.
76
76
400
_
520
_
⋅
⋅
10
CYCLES
10
CYCLES
−
−
6
6
208
600
=
=
33
14
,
,
046
893
Energy Meter IC
DATA SHEET
71M6515H
MARCH 2008
V1.4