參數(shù)資料
型號(hào): M37545G8-XXXGP
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 4 MHz, MICROCONTROLLER, PQFP32
封裝: 7 X 7 MM, 0.80 MM PITCH, PLASTIC, LQFP-32
文件頁數(shù): 25/63頁
文件大小: 774K
代理商: M37545G8-XXXGP
Rev.1.07
Mar 19, 2009
Page 31 of 60
REJ03B0140-0107
7545 Group
Fig. 29 Control waveform diagram of CARR output by timer 3
Fig. 30 Waveform diagram in 455 kHz carrier wave generating mode
06 05 04 03 02 01 00
02 01 00 03
03
01 00 03 02
02
00
01
02 01 00
03
02 01 00 03
03
01 00 03 02
02
00
01
02 01
03
P42/CARR pin output
Timer 3 count source
(carrier wave output selected)
Timer 3 interrupt
Timer 3 count value
Count period
Generating carrier waveform
or not is controlled by setting
carrier waveform output trigger bit.
Carrier waveform output trigger bit
Writing to timer 3
in this duration
Count value of next period
is changed
Successive carrier waveform
is not generated in this duration.
2.250
s X 9 waveforms + 2.125 s X 7 waveforms
2.125
s waveform duration (7 waveforms)
35.125
s (16 waveforms), Average waveform = 2.195 s (Frequency = 455.516 kHz)
Waveform period in 455 kHz carrier waveform generating mode
Waveform length: 2.250
s-waveform
Waveform length: 2.125
s-waveform
2.250
s
5-clock
4-clock
2.125
s
4.5-clock
4-clock
Carrier waveform
Timer 2 count source
Carrier waveform
Timer 2 count source
Carrier waveform
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