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NEXCOM NDiS B533 User Manual

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51

NDiS B533 User Manual

Appendix A: Watchdog Timer

Watchdog Timer Configuration Register

(Index=72h, Default=001s0000b)

Bit

Description

7

WDT Time-out value select 1
1: Second
0: Minute

6

WDT output through KRST (pulse) Enable
1: Enable
0: Disable

5

WDT Time-Out Value Extra Select
1: 64ms x WDT Timer-out value (default=4s)
0: Determined by WDT Time-out value select 1 (bit 7 of this register)

4

WDT Output through PWEGD Enable
1: Enable
0: Disable

During LRESET# this bit is selected by JP2 power-on strapping option.

3-0

Interrupt level Select for WDT.

Watch Dog Timer Time-out value (LSB) Register

(Index=73h, default=38h)

Bit

Description

7-0

WDT Time-out value select 7-0

Watch Dog Timer Time-out value (MSB) Register

(Index=74h, default=00h)

Bit

Description

7-0

WDT Time-out value select 15-8