參數資料
型號: M38203M4LXXXFP
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 4 MHz, MICROCONTROLLER, PQFP80
封裝: 0.80 MM PITCH, PLASTIC, QFP-80
文件頁數: 62/69頁
文件大?。?/td> 944K
代理商: M38203M4LXXXFP
Rev.4.01
Nov 14, 2003
page 65 of 136
3803/3804 Group
Fig. 55 Structure of PWM control register
Fig. 56 PWM output timing when PWM register or PWM prescaler is changed
PWM control register
(PWMCON : address 002B16)
PWM function enable bit
Count source selection bit
Not used (return “0” when read)
b7
b0
0: PWM disabled
1: PWM enabled
0: f(XIN)
1: f(XIN)/2
AB
C
B
T
C
T2
=
PWM output
PWM register
write signal
PWM prescaler
write signal
(Changes “H” term from “A” to “B”.)
(Changes PWM period from “T” to “T2”.)
When the contents of the PWM register or PWM prescaler have changed, the PWM
output will change from the next period after the change.
T
T2
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