W83627HF/ F/ HG/ G
Table 2.
TIME PER
NOMINAL
PRM
TIME FOR
DIVISOR
COUNTS
70% RPM
REVOLUTION
70%
1
8800
4400
2200
1100
550
6.82 ms
153
153
153
153
153
153
153
153
6160
3080
1540
770
385
192
96
9.74 ms
2 （default）
13.64 ms
19.48 ms
38.96 ms
77.92 ms
155.84 ms
311.68 ms
623.36 ms
1246.72 ms
4
8
27.27 ms
54.54 ms
16
32
64
128
109.08 ms
218.16 ms
436.32 ms
872.64 ms
275
137
68
48
+12V
+5V
+12V
Pull-up resister
4.7K Ohms
Pull-up resister
4.7K Ohms
diode
diode
+12V
FAN Out
GND
+12V
FAN Out
GND
14K~39K
Fan Input
Fan Input
Pin 111-113
Pin 111-113
10K
W83627HF
W83627HF
FAN
Connector
FAN
Connector
Fan with Tach Pull-Up to +5V
Fan with Tach Pull-Up to +12V, or Totem-Pole
Output and Register Attenuator
+12V
+12V
Pull-up resister
or totem-pole output
< 1K
diode
diode
Pull-up resister
1K
>
+12V
FAN Out
GND
+12V
FAN Out
GND
Fan Input
Pin 111-113
Pin 111-113
Fan Input
>
1K
3.9V Zener
3.9V Zener
W83627HF
W83627HF
FAN
Connector
FAN
Connector
Fan with Tach Pull-Up to +12V, or Totem-Pole
Output and Zener Clamp
Fan with Tach Pull-Up to +12V and Zener Clamp
Figure. 8.4
- 36 -
WINBOND [ WINBOND ]
