W83782D Datasheet, PDF (11/73 Pages) Winbond – MONITORING IC

Preliminary W83782D
Pin Discription, continued
PIN NAME PIN NO.
FAN3IO/
18
PWMOUT2
FAN2IO-
FAN1IO
19-20
SCL
21
SDA
22
PWMOUT1
23
VID2
24
VID3
25
BEEP/GPO#
26
GNDA
27
-5VIN
28
5VSB
29
VBAT
30
-12VIN
31
+12VIN
32
+5VIN
33
+3.3VIN
34
VINR0
35
VCOREA
36
VREF
37
VTIN3 /
38
PIITD3
TYPE
I/O_12t
I/O_12t
IN_{t s}
OD₁₂
OUT₁₂
IN _t
IN _t
OD₁₂
AGROUND
AIN
AIN
AIN
AIN
AIN
AIN
AIN
AIN
AIN
AOUT
AIN
DESCRIPTION
0V to +5V amplitude fan tachometer input. /
Fan speed control PWM output.
0V to +5V amplitude fan tachometer input /
Fan on-off control output. These multi-functional pins can be
programmable input or output.
Serial Bus Clock.
Serial Bus bi-directional Data.
Fan speed control PWM output.
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 (Default) / General purpose output
This multi-functional pin is programmable.
Internally connected to all analog circuitry. The ground reference
for all analog inputs.
0V to 4.096V FSR Analog Inputs.
0V to 4.096V FSR Analog Inputs.
0V to 4.096V FSR Analog Inputs. (This pin should be connected
to 3V BATTERY.)
0V to 4.096V FSR Analog Inputs.
0V to 4.096V FSR Analog Inputs.
This pin is Analog Vcc and connects internal monitor channel
IN3 with fixed scale.
0V to 4.096V FSR Analog Inputs.
0V to 4.096V FSR Analog Inputs.
0V to 4.096V FSR Analog Inputs.
Reference Voltage.
Thermistor 3 terminal input.(Default) /
Pentium^TM II diode 3 input.
This multi-functional pin is programmable.
Publication Release Date: April 1999
-5-
Revision A1