參數(shù)資料
型號: M34583EDFP
元件分類: 微控制器/微處理器
英文描述: 4-BIT, OTPROM, 6 MHz, MICROCONTROLLER, PQFP32
封裝: 7 X 7 MM, 0.80 MM PITCH, PLASTIC, LQFP-32
文件頁數(shù): 95/155頁
文件大小: 985K
代理商: M34583EDFP
Rev.3.00
Aug 06, 2004
page 42 of 151
REJ03B0009-0300Z
4583 Group
PRELIMINARY
Notice: This is not a final specification.
Some parametric limits are subject to change.
Fig. 31 Timer 4 count start/stop timing
(R4L)
(R4H)
(R4L)
Timer 4 count start timing
Waveform extension function of CNTR1 output “ H”
interval: Invalid (W4
2
= “ 0” ),
CNTR1 output: valid (W43 = “ 1” ),
Count source: XIN input selected (W40 = “ 0” ),
Reload register R4L: “ 03
16
Reload register R4H: “ 02
16
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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