 English |
|
|
|
|
|
|
|
| MEC1404 Datasheet, PDF (514/572 Pages) Microchip Technology – Keyboard and Embedded Controller Products for Notebook PC | |||
| |||
| ◁ |
MEC140X/1X
43.12 Fan Tachometer Timing
FIGURE 43-10: FAN TACHOMETER INPUT TIMING
FAN_TACHx
t1
t2
t3
TABLE 43-13: FAN TACHOMETER INPUT TIMING PARAMETERS
Name
t1
t2
t3
Description
Pulse Time
Pulse High Time
Pulse Low Time
MIN
TYP
MAX
Units
100
µsec
20
20
Note 43-13 tTACH is the clock used for the tachometer counter. It is 30.52 * prescaler, where the prescaler is
programmed in the Fan Tachometer Timebase Prescaler register.
DS00001956D-page 514
ï£ 2015 - 2016 Microchip Technology Inc.
|
▷ |
German
Russian
Spanish
Italian
Polish
Chinese
Japanese
Korean
French
Portuguese