71M6521FE-IGT/F Maxim Integrated Products, 71M6521FE-IGT/F Datasheet - Page 29

• Manufacturer Part Number: 71M6521FE-IGT/F
• Description: IC ENERGY METER 32K FLASH 64LQFP
• Manufacturer: Maxim Integrated Products

Specifications of 71M6521FE-IGT/F

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

71M6521DE/DH/FE Data Sheet
Special Function Registers for the WD Timer
Interrupt Enable 0 Register (IEN0):
Interrupt Priority 0 Register (IP0):
Rev 2
IEN0.6
IEN1.6
Bit
Bit
Note: The remaining bits in the IEN1 register are not used for watchdog control
Note: The remaining bits in the IEN0 register are not used for watchdog control
Interrupt Enable 1 Register (IEN1):
MSB
MSB
MSB
EXEN2
EAL
--
Symbol
Symbol
SWDT
WDT
WDTS
SWDT
WDT
Function
Watchdog timer refresh flag.
Set to initiate a refresh of the watchdog timer. Must be set directly before SWDT is
set to prevent an unintentional refresh of the watchdog timer. WDT is reset by
hardware 12 clock cycles after it has been set.
Function
Watchdog timer start/refresh flag.
Set to activate/refresh the watchdog timer. When directly set after setting WDT, a
watchdog timer refresh is performed. Bit SWDT is reset by the hardware 12 clock
cycles after it has been set.
Table 29: The IEN1 Register (see also Tables 30/31)
Table 27: The IEN0 Register (see also Table 32)
Table 31: The IP0 Register (see also Table 45)
Table 30: The IEN1 Bit Functions (see also Tables 30/31)
Table 28: The IEN0 Bit Functions (see also Table 32)
IP0.5
ET2
EX6
IP0.4
EX5
ES0
IP0.3
ET1
EX4
IP0.2
EX1
EX3
IP0.1
EX2
ET0
IP0.0
EX0
LSB
LSB
LSB
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