W83977EF Winbond Electronics Corp America, W83977EF Datasheet - Page 114

• Manufacturer Part Number: W83977EF
• Description: Description = W83877TF Plus Kbc, GP I/O, Wake-Up, Power Fail Resume ;; Package = QFP 128
• Manufacturer: Winbond Electronics Corp America

CRF3 (WDT_CTRL0, Default 0x00)
Bit 7 - 0:
Watch Dog Timer Control Register #0
Bit 7 - 4: Reserved
Bit 3: When Time-out occurs, Enable or Disable Power LED with 1 Hz and 50% duty cycle output.
= 0x00 Time-out Disable
= 0x01 Time-out occurs after 1 minute/second
= 0x02 Time-out occurs after 2 minutes/seconds
= 0x03 Time-out occurs after 3 minutes/seconds
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= 0xFF Time-out occurs after 255 minutes
= 1 Enable
= 0 Disable
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Publication Release Date: April 2003
W83977EF
Revision 1.1