w83627thg Winbond Electronics Corp America, w83627thg Datasheet - Page 127
w83627thg
Manufacturer Part Number
w83627thg
Description
Winbond Lpc I/o
Manufacturer
Winbond Electronics Corp America
Datasheet
1.W83627THG.pdf
(142 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
W83627THG
Manufacturer:
WINBOND/华邦
Quantity:
20 000
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W83627THF/W83627THG
2. DC Voltage Output
The W83627THF has a 4 bit DAC which produces 0 to 5 volts DC output that provides maximum 3
sets for fan speed control. The analog output can be programmed in the Bank0 Index 01h, Index 03h
and Index 11h of H/W Monitor block. The default value is 0xFY,Y is reserved nibble, that is default
output value is nearly 5V. The expression of output voltage can be represented as follow ,
Programmed
- 4
bit
Register
Value
= AVCC
×
Output Voltage (V)
16
The application circuit is shown as follow,
This application circuit used Winbond W83391TS Pre-Driver to control Fan speed. It can support both
PWM and DC output.
- 120 -
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