71m6521fe Maxim Integrated Products, Inc., 71m6521fe Datasheet - Page 78
71m6521fe
Manufacturer Part Number
71m6521fe
Description
Energy Meter Ic
Manufacturer
Maxim Integrated Products, Inc.
Datasheet
1.71M6521FE.pdf
(101 pages)
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WD_RST
WD_OVF
WE
Page: 78 of 101
SFRE8[7]
201F7:0]
2002[2]
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© 2005-2008 TERIDIAN Semiconductor Corporation
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R/W
W
W
WD timer bit: Possible operations to this bit are:
Read: Gets the status of the flag IE_PLLFALL
Write 0: Clears the flag
Write 1:.Resets the WDT
The WD overflow status bit. This bit is set when the WD timer
overflows. It is powered by the non-volatile supply and at bootup
will indicate if the part is recovering from a WD overflow or a power
fault. This bit should be cleared by the MPU on bootup. It is also
automatically cleared when RESET is high.
Write operations on the RTC registers must be preceded by a write
operation to WE.
71M6521DE/71M6521FE
Energy Meter IC
DATASHEET
JANUARY 2008
v1.0