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PDF W83781D Data sheet ( Hoja de datos )

Número de pieza W83781D
Descripción H/W Monitoring IC
Fabricantes Winbond 
Logotipo Winbond Logotipo



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W83781D
Winbond H/W
Monitoring IC

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W83781D pdf
W83781D
Winbond H/W
Monitoring IC
8.37 TEMPERATURE SENSOR 3 CONFIGURATION REGISTER - INDEX 52H (BANK 2) ................................. 40
8.38 TEMPERATURE SENSOR 3 HYSTERESIS (HIGH BYTE) REGISTER - INDEX 53H (BANK 2) .................. 41
8.39 TEMPERATURE SENSOR 3 HYSTERESIS (LOW BYTE) REGISTER - INDEX 54H (BANK 2)................... 41
8.40 TEMPERATURE SENSOR 3 OVER-TEMPERATURE (HIGH BYTE)REGISTER - INDEX 55H (BANK 2) .. 42
8.41 TEMPERATURE SENSOR 3 OVER-TEMPERATURE (LOW BYTE) REGISTER - INDEX 56H (BANK 2) .. 42
9. SPECIFICATIONS...................................................................................................................... 43
9.1 ABSOLUTE MAXIMUM RATINGS .................................................................................................................. 43
9.2 DC CHARACTERISTICS ................................................................................................................................... 43
9.2.1 AC Characteristics ...................................................................................................................................... 45
9.2.2 ISA Read/Write Interface Timing................................................................................................................ 45
9.2.3 Serial Bus Timing Diagram......................................................................................................................... 46
10. HOW TO READ THE TOP MARKING.................................................................................. 47
11. PACKAGE DIMENTIONS....................................................................................................... 48
- III -
Publication Release Date: Nov. 1997
Version 0.60

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W83781D arduino
W83781D
PRELIMINARY
6. Pin Description , continued
Pin Name Pin
No.
Type
VID2
24 INt
VID3
25 INt
BEEP/GPO# 26
OD48
Description
Voltage Supply readouts from P6.This value is read in the VID/Fan
Divisor Register.
Voltage Supply readouts from P6.This value is read in the VID/Fan
Divisor Register.
Beep function or General purpose output (active low). This pin is
open drain driving 48 mA.
This multifunctional pin is programmable selected by CR4D bit 6.
GNDA
-5VIN
-5VOUT
-12VOUT
-12VIN
+12VIN
+5VIN
+3.3VIN
VCOREB
VCOREA
VREF
VTIN3
VTIN2
VTIN1
VID0
OVT#
IRQ
SMI#
A2-A0
CS#
27 AGROUND Internally connected to all analog circuitry. The ground reference
for all analog inputs.
28 AIN Ground-referred inverting op amp input.
29 AOUT Output of inverting op amp for Input 6.
30 AOUT Output of inverting op amp for Input 5.
31 AIN Ground-referred inverting op amp input.
32 AIN 0V to 4.096V FSR Analog Inputs.
33 AIN This pin is Analog Vcc and connects internal monitor channel IN3
with fixed scale.
34 AIN 0V to 4.096V FSR Analog Inputs.
35 AIN 0V to 4.096V FSR Analog Inputs.
36 AIN 0V to 4.096V FSR Analog Inputs.
37 AOUT Reference Voltage.
38 AIN Thermistor 3 terminal input.
39 AIN Thermistor 2 terminal input.
40 AIN Thermistor 1 terminal input.
41 INt Voltage Supply readouts from P6.This value is read in the VID/Fan
Divisor Register.
42
OD12
Over temperature Shutdown Output.
43 OUT12t Interrupt Request.
44
OD12
System Management Interrupt (open drain). This output is enabled
when Bit 1 in the Configuration Register (CR40) is set to 1. The
default state is disabled.
45- INt The three lowest order bits of the 16-bit ISA Address Bus. A0
47 corresponds to the lowest order bit.
48 INt Chip Select input from an external decoder which decodes high
order address bits on the ISA Address Bus. This is an active low
input.
# Indicates Active Low("Not")
- 6 - Publication Release Date : Nov. 1997
Revision 0.60

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