W83627F Information Storage Devices, Inc, W83627F Datasheet - Page 34
W83627F
Manufacturer Part Number
W83627F
Description
LPC Interface I/o Plus Kbc, Game Port, Midi Port
Manufacturer
Information Storage Devices, Inc
Datasheet
1.W83627F.pdf
(118 pages)
Available stocks
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Part Number
Manufacturer
Quantity
Price
Part Number:
W83627F-AW
Manufacturer:
WINBOND/华邦
Quantity:
20 000
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The W83627HF can connect three thermistors to measure three different envirment temperature. The
specification of thermistor should be considered to (1)
25 C. In the Figure 2.2, the themistor is connected by a serial resistor with 10K Ohms, then connect to
VREF (Pin 101).
The W83627HF can alternate the thermistor to Pentium II
transistor 2N3904 and the circuit connection is shown as Figure 2.3. The pin of Pentium II
connected to power supply ground (GND) and the pin D+ is connected to pin VTINx in the W83627HF.
The resistor R=30K ohms should be connected to VREF to supply the diode bias current and the
bypass capacitor C=3300pF should be added to filter the high frequency noise. The transistor 2N3904
should be connected to a form with a diode, that is, the Base (B) and Collector (C) in the 2N3904 should
be tied togeter to act as a thermal diode.
2.3.3.1 Monitor temperature from thermistor:
2.3.3.2 Monitor temperature from Pentium II
2N3904
Temperature
+125°C
+0.5°C
+25°C
-0.5°C
-25°C
-55°C
+1°C
+0°C
-1°C
8-Bit Binary
0111,1101
0001,1001
0000,0001
0000,0000
1111,1111
1110,0111
1100,1001
8-Bit Digital Output
-
-
8-Bit Hex
Table 2.
- 30 -
7Dh
FFh
E7h
C9h
19h
01h
00h
-
-
value is 3435K, (2) resistor value is 10K ohms at
TM
(Deschutes) thermal diode interface or
TM
thermal diode or bipolar transistor
Publication Release Date:November 2002
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
9-Bit Digital Output
W83627HF/F
9-Bit Hex
0FAh
1CEh
1FFh
1FFh
TM
032h
002h
001h
000h
192h
D- is
Revision 2.0
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