w83795g Winbond Electronics Corp America, w83795g Datasheet - Page 42

• Manufacturer Part Number: w83795g
• Description: Nuvoton H/w Monitor
• Manufacturer: Winbond Electronics Corp America

8.4.1
8.4.1.1.
Writing this register enables the Soft or Hard Watch Dog Timer. This register type is write-only and
WDT ENABLE confirms whether the write is successful.
Location: Bank 0 Address 0C
Type:
Reset:
Default Value: 00
8.4.1.2.
Location: Bank 0 Address 0D
Type:
Reset:
Default Value: 00
8.4.1.3.
BIT
7-0
BIT
7-3
2
1
0
Watch Dog Timer Register Details
Init Reset (CR01.Bit7) is set,
Lock Watch Dog Register (WDT LOCK)
Write Only
3VSB Rising.
3VDD Rising @ RST_VDD_MD (CR01.Bit5) set,
SYSRSTIN# Falling @ SYSRST_MD (CR01.Bit6) set.
Watch Dog Enable Register (WDT ENABLE)
3VDD Rising @ RST_VDD_MD (CR01.Bit5) set,
SYSRSTIN# Falling @ SYSRST_MD (CR01.Bit6) set.
Watch Dog Status Register (WDT STS)
3VSB Rising.
Init Reset (CR01.Bit7) is set,
Read/Write
UNLOCK CODE
Reserved.
ENWDT.
Setting this bit to 1 will enable the Watch Dog Timer function, which WDTRST# resets the
system while the time is out.
HARD.
0 = Hard Watch Dog is disabled.
1 = Hard Watch Dog is enabled.
SOFT.
0 = Soft Watch Dog is disabled.
1 = Soft Watch Dog is enabled.
Write 55
Write AA
Write 33
Write CC
HEX
HEX
HEX
HEX
HEX
HEX
, Enables Soft Watch Dog Timer.
, Enables Hard Watch Dog Timer.
, Disables Soft Watch Dog Timer.
, Disables Hard Watch Dog Timer.
HEX
HEX
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DESCRIPTION
DESCRIPTION
W83795G/ADG
Revision 1.41
Aug/2/2010