71m6403 Teridian Semiconductor Corporation, 71m6403 Datasheet - Page 28

• Manufacturer Part Number: 71m6403
• Description: Electronic Trip Unit
• Manufacturer: Teridian Semiconductor Corporation

Interrupt Priority 0 Register (IP0):
Note: The remaining bits in the IP0 register are not used for watchdog control
Watchdog Timer Reload Register (WDTREL):
The WDTREL register can be loaded and read at any time.
Page: 28 of 75
WDTREL.7
WDTREL.6
WDTREL.0
IP0.6
Bit
Bit
MSB
MSB
to
--
7
Symbol
Symbol
WDTS
WDTS
6-0
6
7
IP0.5
Function
Watchdog timer status flag. Set when the watchdog timer was started. Can be
read by software.
Function
Prescaler select bit. When set, the watchdog is clocked through an additional
divide-by-16 prescaler
Seven bit reload value for the high-byte of the watchdog timer. This value is
loaded to the WDT when a refresh is triggered by a consecutive setting of bits
WDT and SWDT.
5
Table 32: The WDTREL Bit Functions
Table 31: The WDTREL Register
Table 30: The IP0 bit Functions
©
IP0.4
2006 TERIDIAN Semiconductor Corporation
Table 29: The IP0 Register
4
IP0.3
3
IP0.2
2
IP0.1
Electronic Trip Unit
1
IP0.0
0
LSB
LSB
71M6403
SEPTEMBER 2006
REV 1.0