w83194br-b Winbond Electronics Corp America, w83194br-b Datasheet - Page 15

• Manufacturer Part Number: w83194br-b
• Description: Winbond Clock Generator For Intel P4 845 Series Chipset
• Manufacturer: Winbond Electronics Corp America

7.6
7.7
BIT
BIT
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
Register 5: Watchdog Control Register
Register 6: Watchdog Timer Register
WD_TIMEOUT
SAF_FREQ [4]
SAF_FREQ [3]
SAF_FREQ [2]
SAF_FREQ [1]
SAF_FREQ [0]
WD_TIME [7]
WD_TIME [6]
WD_TIME [5]
WD_TIME [4]
WD_TIME [3]
WD_TIME [2]
WD_TIME [1]
WD_TIME [0]
Reserved
EN_WD
NAME
NAME
CLOCK GEN. FOR INTEL P4 845 SERIES CHIPSET
PWD
PWD
X
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
Reserved
Enable Watchdog Timer if set to 1. Set to 0, disable watchdog
timer. This bit is trapping pin during VTT_PWRGD#. Read this
bit will return a counting state. If timers continue down count,
this bit will return 1. Otherwise, this bit will return 0.
Watchdog Timeout Status. If the watchdog is started and timer
down counts to zero, this bit will be set to 1. Clear this bit to
logic 0, If set to 1, when the watchdog is restart in the next
time. This bit is Read Only.
Watchdog safe frequency bits. These bits will be reloaded into
FS [4:0], if the watchdog is timeout and enable reload safe
frequency bits.
Watchdog timeout time. The bit resolution is 250mS. The
default time is 8*250mS = 2.0 seconds. If the watchdog timer is
start, this register will be down count. Read this register will
return a down count value.
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W83194BR-B/W83194BG-B
DESCRIPTION
DESCRIPTION
Publication Release Date: October 2006
Revision 3.1