參數(shù)資料
型號: M34508G4-XXXFP
元件分類: 微控制器/微處理器
英文描述: 4-BIT, MROM, 6 MHz, MICROCONTROLLER, PDSO20
封裝: 5.30 X12.60 MM, 1.27 MM PITCH, PLASTIC, SOP-20
文件頁數(shù): 38/106頁
文件大?。?/td> 1059K
代理商: M34508G4-XXXFP
4508 Group
Rev.1.03
2009.07.27
page 35 of 140
REJ03B0148-0103
Fig. 27 Timer count start/stop timing
● Timer 2 count start timing (R2L = “0216”, R2H = ”0216”, W23 = “1”)
● Timer 2 count stop timing (R2L = “0216”, R2H = ”0216”, W23 = “1”)
Notes 1: If the timer count stop timing and the timer underflow timing overlap while the PWM function is valid (W13=“1” or W23=“1”),
a hazard may occur in the PWM signal waveform.
2: When timer count is stopped during “H” duration of the PWM signal, timer is stopped after the end of the “H” output duration.
TW2A instruction execution (W22←“1”)
0216
Timer 2 undeflow signal
PWM2 signal
0116
0016
0216
0116
0016
0216
(R2L)
(R2H)
(R2L)
Mi
Mi + 1
Mi + 2
Mi + 3
Mi
Mi + 1
Mi + 2
Mi + 3
Timer 2 count source
(System clock (STCK))
Machine cycle
Timer 2 count start timing
Register W22
Timer 2 count value
(Reload register)
Timer 2 undeflow signal
PWM2 signal
Timer 2 count source
(System clock (STCK))
Machine cycle
Register W22
Timer 2 count value
(Reload register)
TW2A instruction execution (W22←“0”)
0216
0116
0016
0216
0116
0016
(R2H)
(R2L)
Timer 2 count stop timing
(R2H)
(Note 1)
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