W83781D Nuvoton Technology Corporation of America, W83781D Datasheet - Page 17

• Manufacturer Part Number: W83781D
• Manufacturer: Nuvoton Technology Corporation of America

Specifications of W83781D

• Lead Free Status / Rohs Status: Supplier Unconfirmed

7.4 Temperature Measurement Machine
The temperature data format is 8-bit two
sensor 2/3. The table are expressed the temperature data as following.
Fan with Tach Pull-Up to +12V and Zener Clamp
Connector
Connector
Temperature
FAN
FAN
+125 ° C
+0.5 ° C
+25 ° C
-0.5 ° C
-25 ° C
-55 ° C
+1 ° C
+0 ° C
FAN Out
-1 ° C
FAN Out
Fan with Tach Pull-Up to +5V
+12V
GND
+12V
GND
+12V
+12V
3.9V Zener
Pull-up resister
4.7K Ohms
Pull-up resister
8-Bit Binary
+5V
Fan Input
0111,1101
0001,1001
0000,0001
0000,0000
1111,1111
1110,0111
1100,1001
Fan Input
> 1K
-
-
8-Bit Digital Output
Pin 18/19/20
Pin 18/19/20
W83781D
W83781D
-complement for sensor 1 and 9-bit two
8-Bit Hex
7Dh
C9h
FFh
E7h
19h
01h
00h
- 13 -
-
-
Connector
Connector
FAN
FAN
Fan with Tach Pull-Up to +12V, or Totem-Pole
Fan with Tach Pull-Up to +12V, or Totem-Pole
FAN Out
FAN Out
+12V
GND
+12V
GND
Output and Register Attenuator
+12V
+12V
Putput and Zener Clamp
Publication Release Date: April 14, 2005
0,1111,1010
0,0011,0010
0,0000,0010
0,0000,0001
0,0000,0000
1,1111,1111
1,1111,1110
1,1100,1110
1,1001,0010
9-Bit Binary
W83781D/W83781G
9-Bit Digital Output
Pull-up resister < 1K
or totem-pole output
Pull-up resister
4.7K Ohms
14K~39K
3.9V Zener
> 1K
Fan Input
Fan Input
10K
-complement for
9-Bit Hex
1CEh
0FAh
1FFh
1FFh
032h
002h
001h
000h
192h
Revision 2.0
Pin 18/19/20
Pin 18/19/20
W83781D
W83781D