W83781D Datasheet, PDF (11/53 Pages) Winbond – MONITORING IC

W83781D
PRELIMINARY
6. Pin Description , continued
Pin Name Pin
No.
Type
VID2
24
IN _t
VID3
25
IN _t
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
IN _t
Voltage Supply readouts from P6.This value is read in the VID/Fan
Divisor Register.
42
OD₁₂
Over temperature Shutdown Output.
43
OUT_12t 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-
IN _t
The three lowest order bits of the 16-bit ISA Address Bus. A0
47
corresponds to the lowest order bit.
48
IN _t
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