參數(shù)資料
型號: MR80C32-20/883:RD
廠商: ATMEL CORP
元件分類: 微控制器/微處理器
英文描述: 8-BIT, 20 MHz, MICROCONTROLLER, CQCC44
封裝: LCC-44
文件頁數(shù): 36/81頁
文件大?。?/td> 663K
41
ATtiny28L/V
1062F–AVR–07/06
Figure 34. Modulation with ONTIM = 1, MCONF = 011
Note:
Clock frequency: 3.64 MHz; modulation frequency: 455 kHz; duty-cycle: 25%
Figure 35. Modulation with ONTIM = 3, MCONF = 001
Note:
Clock frequency: 3.64 MHz; modulation frequency: 455 kHz; duty-cycle: 50%
Table 17. Some Common Modulator Configurations
Crystal/Resonator
Frequency
Carrier
Frequency
% Error in
Frequency
Duty-cycle
ONTIM
Value
MCONF
Value
455 kHz
38 kHz
0.2
25%
2
011
455 kHz
38 kHz
0.2
33%
3
010
455 kHz
38 kHz
0.2
50%
5
001
455 kHz
38 kHz
0.2
67%
3
100
455 kHz
38 kHz
0.2
75%
2
101
1 MHz
38 kHz
1.2
50%
12
001
1.8432 MHz
38 kHz
1.1
25%
11
011
1.8432 MHz
38 kHz
1.1
33%
15
010
1.8432 MHz
38 kHz
1.1
50%
23
001
2 MHz
38 kHz
1.2
25%
12
011
2 MHz
38 kHz
1.2
50%
25
001
2.4576 MHz
38 kHz
1.1
50%
31
001
3.2768 MHz
38 kHz
2.0
25%
21
011
4 MHz
38 kHz
1.2
25%
25
011
455 kHz
0.0
approx. 50%
X
111
1 MHz
455 kHz
9.9
50%
0
001
1.82 MHz
455 kHz
0.0
25%
0
011
1.82 MHz
455 kHz
0.0
50%
1
001
1.8432 MHz
455 kHz
1.3
25%
0
011
1.8432 MHz
455 kHz
1.3
50%
1
001
2 MHz
455 kHz
9.9
25%
0
011
CLK
PA2
CLK
PA2
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