W83783S Information Storage Devices, Inc, W83783S Datasheet - Page 9

• Manufacturer Part Number: W83783S
• Description: H/w Monitor: 3 Temp.(thermal Diode), 6 Vol., 2 PWM Fan Control
• Manufacturer: Information Storage Devices, Inc

5. PIN DESCRIPTION
I/O
I/O
OUT
AOUT
OD
IN
IN
AIN
VID4
FANIN1
FANIN2
FANIN3/
PWMOUT1
OVT#
BEEP/GPO#
VID3
CLKIN
SMI# /
PWMOUT2
GNDD
SCL
SDA
VID2
t
ts
12t
12ts
12
Pin Name
12
- TTL level bi-directional pin with 12 mA source-sink capability
- TTL level and schmitt trigger
- Output pin with 12 mA source-sink capability
- Output pin(Analog)
- Open-drain output pin with 12 mA sink capability
- TTL level input pin
- TTL level input pin and schmitt trigger
- Input pin(Analog)
Pin No.
10
11
12
13
1
2
3
4
5
6
7
8
9
DGROUND
OUT
OUT
OD
Type
IN
OD
OD
OD
IN
IN
IN
IN
IN
IN
IN
t s
12
t s
t s
t s
12
t
12
12
t
t
t
12t
12t
/
/
Voltage Supply readouts from Pentium II
0V to 5V amplitude fan tachometer input.
0V to 5V amplitude fan tachometer input.
0V to 5V amplitude fan tachometer input. /
Fan speed control (PWM) output.
This multi-functional pin is programmable.
Over temperature Shutdown Output.
Beep (Default) / General purpose output
This multi-functional pin is programmable.
Voltage Supply readouts from Pentium II
System clock input. Can select 48MHz or 24MHz
or 14.318MHz. The default is 24MHz.
System Management Interrupt (open drain). The
default state is disabled.
Fan speed control (PWM) output.
This multi-functional pin is programmable.
Internally connected to all digital circuitry.
Serial Bus Clock.
Serial Bus bi-directional Data.
Voltage Supply readouts from Pentium II
- 4 -
Description
Publication Release Date: April 1999
W83783S
Preliminary
TM
TM
TM
Revision 0.55
.
.
.