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參數(shù)資料
| 型號(hào)： | M34524MC-XXXFP |
| 元件分類(lèi)： | 微控制器/微處理器 |
| 英文描述： | 4-BIT, MROM, 6 MHz, MICROCONTROLLER, PQFP64 |
| 封裝： | 14 X 14 MM, 0.80 MM PITCH, PLASTIC, QFP-64 |
| 文件頁(yè)數(shù)： | 104/163頁(yè) |
| 文件大?。?/td> | 1235K |
| 代理商： | M34524MC-XXXFP |
Rev.2.00
Jul 27, 2004
page 43 of 159
REJ03B0091-0200Z
4524 Group
Fig. 29 Timer 4 count start/stop timing
(R4L)
(R4H)
(R4L)
Timer 4 count start timing
Waveform extension function of CNTR1 output “H” interval: Invalid (W42 = “0”),
CNTR1 output: valid (W43 = “1”),
Count source: XIN input selected (W40 = “0”),
Reload register R4L: “0316”
Reload register R4H: “0216”
Timer 4 count start timing
TW4A instruction execution cycle (W41) ¨ 1
0216 0116 0016
0216
0316
0216 0116 0016
0316
0216
0016
0016 0216 0116 0016 0316 0216 0116
0216
(R4H)
(R4L)
0116
(R4H)
(Note 1)
Notes 1: In order to stop timer 4 at CNTR1 output valid (W43 = “1”), avoid a timing when timer 4 underflows.
If these timings overlap, a hazard may occur in a CNTR1 output waveform.
2: At CNTR1 output valid, timer 4 stops after “H” interval of PWM signal set by reload register R4H is output.
Mi
Mi+1
Mi+2
Mi
Mi+1
Mi+2
0116
Timer 4 count value
(Reload register)
Timer 4
underflow signal
PWM signal
Machine cycle
XIN input
(count source selected)
System clock
f(STCK)=f(XIN)/4
Register W41
q
Timer 4 count stop timing
TW4A instruction execution cycle (W41) ¨ 0
Timer 4 count stop timing
Timer 4 count value
(Reload register)
Timer 4
underflow signal
PWM signal
Machine cycle
XIN input
(count source selected)
System clock
f(STCK)=f(XIN)/4
Register W41
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