FDC37B770 SMSC [SMSC Corporation], FDC37B770 Datasheet - Page 159
FDC37B770
Manufacturer Part Number
FDC37B770
Description
ENHANCED SUPER I/O CONTROLLER WITH WAKE UP FEATURES
Manufacturer
SMSC [SMSC Corporation]
Datasheet
1.FDC37B770.pdf
(196 pages)
- Current page: 159 of 196
- Download datasheet (567Kb)
WDT_CTRL
Default = 0x00
Cleared by VTR
POR
NAME
Table 73 - Auxiliary I/O, Logical Device 8 [Logical Device Number = 0x08]
REG INDEX
0xF4
Watch-dog timer Control
Bit[0] Watch-dog Status Bit, R/W
=1
=0
Bit[1] Reserved
Bit[2] Force Timeout, W
=1
Bit[3] P20 Force Timeout Enable, R/W
= 1
= 0
Note: The P20 signal will remain high for a minimum
of 1us and can remain high indefinitely. Therefore,
when P20 forced timeouts are enabled, a self-
clearing edge-detect circuit is used to generate a
signal which is ORed with the signal generated by
the Force Timeout Bit.
Bit[7:4] Reserved. Set to 0
WD timeout occurred
WD timer counting
Forces WD timeout event; this bit is self-
clearing
Allows rising edge of P20, from the
Keyboard Controller, to force the WD
timeout event.
still be forced by setting the Force Timeout
Bit, bit 2.
P20 activity does not generate the WD
timeout event.
159
DEFINITION
A WD timeout event may
STATE
C
Related parts for FDC37B770
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
Part Number:
Description:
FAST ETHERNET PHYSICAL LAYER DEVICE
Manufacturer:
SMSC Corporation
Datasheet:
Part Number:
Description:
357-036-542-201 CARDEDGE 36POS DL .156 BLK LOPRO
Manufacturer:
SMSC Corporation
Datasheet:
Part Number:
Description:
357-036-542-201 CARDEDGE 36POS DL .156 BLK LOPRO
Manufacturer:
SMSC Corporation
Datasheet:
Part Number:
Description:
357-036-542-201 CARDEDGE 36POS DL .156 BLK LOPRO
Manufacturer:
SMSC Corporation
Datasheet:
Part Number:
Description:
4-PORT USB2.0 HUB CONTROLLER
Manufacturer:
SMSC Corporation
Datasheet:
Part Number:
Description:
Manufacturer:
SMSC Corporation
Datasheet:
Part Number:
Description:
Manufacturer:
SMSC Corporation
Datasheet:
Part Number:
Description:
FDC37C672ENHANCED SUPER I/O CONTROLLER WITH FAST IR
Manufacturer:
SMSC Corporation
Datasheet:
Part Number:
Description:
COM90C66LJPARCNET Controller/Transceiver with AT Interface and On-Chip RAM
Manufacturer:
SMSC Corporation
Datasheet:
Part Number:
Description:
Manufacturer:
SMSC Corporation
Datasheet:
Part Number:
Description:
Manufacturer:
SMSC Corporation
Datasheet:
Part Number:
Description:
Manufacturer:
SMSC Corporation
Datasheet:
Part Number:
Description:
Manufacturer:
SMSC Corporation
Datasheet:
Part Number:
Description:
Manufacturer:
SMSC Corporation
Datasheet: