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參數資料
| 型號： | GFW |
| 廠商： | 意法半導體 |
| 英文描述： | Push-Pull Four Channel Drivers(推挽式四通道驅動器) |
| 中文描述： | 推挽式四通道驅動器（推挽式四通道驅動器） |
| 文件頁數： | 5/8頁 |
| 文件大?。?/td> | 101K |
| 代理商： | GFW |
Oftena
μ
C controls the translator, setting the direction
line and providing a pulse for each step. Software is
thus simplified, and if youuse a programmed interrupt
scheme, the
μ
C isfreetohandle othertasks.Fig. Cde-
scribes an absolute-positioning routine for a step with
adirection-control translator ; Fig.D outlines how pro-
grammed timer interrupts are used to relieve the bur-
den on the C.
Two special cases call for hardware translation. The
firstis inasystemforwhich youhave alreadydesigned
in control circuitry to provide stepand direction signals.
The second case involves single-quantity and small-
runapplications, in which thecostofafewICs isasmall
price to pay for simplified software.
Figure C :
For usewitha Hardware Trans-
lator this a Absolute-positioning
RoutineSets the Direction Line
and Sends
Number of StepPulses.
the Appropriate
Figure D :
To Setamotor Step Rate, used
Programmed Timer Interrupts
in Place of Software Timing
Loops.
Notes :
Enter with
de-
sired
position
current
po-
sition in register or mem-
APPLICATION NOTE
5/8
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