w83l784r Winbond Electronics Corp America, w83l784r Datasheet - Page 3

• Manufacturer Part Number: w83l784r
• Description: Winbond H/w Monitoring Ic
• Manufacturer: Winbond Electronics Corp America

1.
2.
2.1
2.2
2.3
2.4
2.5
3.
4.
5.
6.
6.1
6.2
6.3
6.4
6.5
6.6
7.
7.1
7.2
6.2.1
6.2.2
6.3.1
6.3.2
6.3.3
6.4.1
6.4.2
6.4.3
6.5.1
6.5.2
6.5.3
6.5.4
6.6.1
6.6.2
6.6.3
Confidential, For Beta-site Only
GENERAL
FEATURES..............................................................................................................................................6
KEY SPECIFICATIONS
PIN CONFIGURATION
PIN DESCRIPTION
FUNCTIONAL DESCRIPTION
REGISTERS AND
M
A
P
G
P
G
A
A
T
FAN S
SMI#
C
I
NTERRUPT
OWER
ACKAGE
EMPERATURE
ONFIGURATION
CTIONS
ENERAL
ENERAL
CCESS
NALOG
ONITORING
The first serial bus access timing are shown as
The serial bus timing of the temperature CPUT1 and CPUT2 is shown as follow:
Monitor over 4.096V voltage:
Power good for 3V and 5V
Battery Fault Alarm
Monitor temperature from
Monitor temperature from Pentium II
Over Temperature
Fan speed
Fan speed control
Smart Fan Control
Fan Fault Alarm
Temperature.................................................................................................................................24
Voltage
Fan
...................................................................................................................................................24
PEED
G
I
NTERFACE
I
E
OOD
................................................................................................................................................6
..............................................................................................................................................26
D
NPUTS
...............................................................................................................................................6
DESCRIPTION....................................................................................................................5
NABLING
S
ESCRIPTION
C
TATUS
........................................................................................................................................26
I
.........................................................................................................................................6
OUNT AND
TEMS
M
count...........................................................................................................................20
...................................................................................................................................15
R
EASUREMENT
RAM.......................................................................................................................27
EGISTER
...............................................................................................................................10
R
................................................................................................................................6
................................................................................................................................6
................................................................................................................................8
EGISTER
..........................................................................................................................24
.........................................................................................................................10
........................................................................................................................18
........................................................................................................................21
.........................................................................................................................7
.......................................................................................................................22
FAN S
........................................................................................................................7
.....................................................................................................................17
TABLE OF CONTENTS
1
I
M
NDEX
PEED
thermistor:..........................................................................................17
...........................................................................................................10
...........................................................................................................16
ACHINE
I
NDEX
......................................................................................................15
40
C
ONTROL
H
41
..............................................................................................17
..............................................................................................27
TM
-2 -
H
........................................................................................27
thermal diode or bipolar transistor 2N3904
.....................................................................................20
follow:.................................................................10
Publication Release Date: Sep.
W83L784R
........................11
Preliminary
...................18
Revision 0.54
1999