71M6521DE/71M6521FE
Energy Meter IC
DATASHEET
JANUARY 2008
WD_RST
WD_OVF
SFRE8[7]
2002[2]
0
0
0
0
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
R/W 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.
WE
201F7:0]
--
--
W
Write operations on the RTC registers must be preceded by a write
operation to WE.
Page: 78 of 101
© 2005-2008 TERIDIAN Semiconductor Corporation
v1.0
TERIDIAN [ TERIDIAN SEMICONDUCTOR CORPORATION ]
