參數(shù)資料
型號: 37C672
廠商: SMSC Corporation
英文描述: ENHANCED SUPER I/O CONTROLLER WITH FAST IR
中文描述: 增強的超級I / O控制器,快速紅外線
文件頁數(shù): 19/173頁
文件大?。?/td> 965K
代理商: 37C672
APPLICATION
2.4 PWM
2-58
3802 GROUP USER’S MANUAL
Control procedure : By setting the related registers as shown to Figure 2.4.7, PWM waveforms are output to the
externalunit. This PWM output is integrated through the low pass filter and converted into DC
signals for control of the motor.
Figure 2.4.9 shows control procedure.
Fig. 2.4.9 Control procedure
P5
(Address : 0A16), bit6
P5D (Address : 0B16)
~
PREPWM (Address : 2C16)
PWM
(Address : 2D16)
PWMCON (Address : 2B16)
Output “L” level from P56/PWM pin.
0
X1XXXXXX2
1
100
000000012
Set the PWM cycle
Set the “H” level width of PWM
Select the PWM count source, and enable the PWM output.
X : This bit is not used in this application.
Set it to “0” or “1.” It’s value can be disregarded.
~
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