w83l784r Winbond Electronics Corp America, w83l784r Datasheet - Page 9

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

5. PIN DESCRIPTION
I/O
I/O
OUT
AOUT
OD
IN
IN
AIN
FANIN1 /
GPO1
FANIN2 /
GPO2
PWMOUT1
PWMOUT2
FANFAULT# /
GPO3
PWR_DN#
SMI#
OVT#
SCL
SDA
BATFAULT#
/
GPO4
GND
t
ts
PIN NAME
12t
12ts
12
Confidential, For Beta-site Only
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
1
2
3
4
5
6
7
8
9
Ground
OUT
OUT
OUT
OUT
TYPE
OD
OD
OD
IN
IN
OD
OD
OD
OD
IN
IN
t s
t s
12
12
t s
1 2
t
12
12
12
1 2
1 2
1 2
1 2
1 2
/
/
/
/
0V to +5V amplitude fan tachometer input. (Default) /
General purpose output .
This multi-functional pin is programmable.
0V to +5V amplitude fan tachometer input. (Default) /
General purpose output .
This multi-functional pin is programmable.
Fan speed control PWM output. This pin is default open-drain. It
can be programmed as an output pin which can drive a HIGH or
a LOW.
Fan speed control PWM output. This pin is default open-drain. It
can be programmed as an output pin which can drive a HIGH or
a LOW.
Active-Low output. This pin will be a logic LOW when fan1 or
fan2 is abnormally stopped. (Default) /
General purpose output .
This multi-functional pin is programmable.
Power down input. When set this pin LOW, all output pins would
be tristate except the pin15 RESET# which will keep HIGH.
System Management Interrupt.
Over temperature Shutdown Output.
Serial Bus Clock.
Serial Bus bi-directional Data.
Active-Low output. This pin will be a logic LOW when Battery
abnormally drops below the low limit or above the high limit.
(Default)
General purpose output .
This multi-functional pin is programmable.
Ground.
-8 -
/
DESCRIPTION
Publication Release Date: Sep.
W83L784R
Preliminary
Revision 0.54
1999