參數(shù)資料
型號: AT90S4433-8AC
廠商: Atmel
文件頁數(shù): 84/126頁
文件大?。?/td> 0K
描述: IC MCU 4K FLSH 8MHZ A/D 32TQFP
標(biāo)準(zhǔn)包裝: 250
系列: AVR® 90S
核心處理器: AVR
芯體尺寸: 8-位
速度: 8MHz
連通性: SPI,UART/USART
外圍設(shè)備: 欠壓檢測/復(fù)位,POR,PWM,WDT
輸入/輸出數(shù): 20
程序存儲器容量: 4KB(2K x 16)
程序存儲器類型: 閃存
EEPROM 大?。?/td> 256 x 8
RAM 容量: 128 x 8
電壓 - 電源 (Vcc/Vdd): 4 V ~ 6 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 6x10b
振蕩器型: 外部
工作溫度: 0°C ~ 70°C
封裝/外殼: 32-TQFP
包裝: 托盤
60
AT90S/LS4433
1042H–AVR–04/03
Table 19. UBR Settings at Various Crystal Frequencies
Baud Rate
1MHz %Error
1.8432 MHz %Error
2MHz %Error
2.4576 MHz %Error
2400 UBR=
25
0.2 UBR=
47
0.0 UBR=
51
0.2 UBR=
63
0.0
4800 UBR=
12
0.2 UBR=
23
0.0 UBR=
25
0.2 UBR=
31
0.0
9600 UBR=
6
7.5 UBR=
11
0.0 UBR=
12
0.2 UBR=
15
0.0
14400 UBR=
3
7.8 UBR=
70.0 UBR=
8
3.7 UBR=
10
3.1
19200 UBR=
2
7.8 UBR=
50.0 UBR=
6
7.5 UBR=
70.0
28800 UBR=
1
7.8 UBR=
30.0 UBR=
3
7.8 UBR=
4
6.3
38400 UBR=
1
22.9 UBR=
20.0 UBR=
2
7.8 UBR=
30.0
57600 UBR=
0
7.8 UBR=
10.0 UBR=
1
7.8 UBR=
2
12.5
76800 UBR=
0
22.9 UBR=
1
33.3 UBR=
1
22.9 UBR=
10.0
115200 UBR=
0
84.3 UBR=
00.0 UBR=
0
7.8 UBR=
0
25.0
Baud Rate 3.2768 MHz %Error
3.6864 MHz %Error
4MHz %Error
4.608 MHz %Error
2400 UBR=
84
0.4 UBR=
95
0.0 UBR=
103
0.2 UBR=
119
0.0
4800 UBR=
42
0.8 UBR=
47
0.0 UBR=
51
0.2 UBR=
59
0.0
9600 UBR=
20
1.6 UBR=
23
0.0 UBR=
25
0.2 UBR=
29
0.0
14400 UBR=
13
1.6 UBR=
15
0.0 UBR=
16
2.1 UBR=
19
0.0
19200 UBR=
10
3.1 UBR=
11
0.0 UBR=
12
0.2 UBR=
14
0.0
28800 UBR=
61.6 UBR=
70.0 UBR=
8
3.7 UBR=
90.0
38400 UBR=
4
6.3 UBR=
50.0 UBR=
6
7.5 UBR=
7
6.7
57600 UBR=
3
12.5 UBR=
30.0 UBR=
3
7.8 UBR=
40.0
76800 UBR=
2
12.5 UBR=
20.0 UBR=
2
7.8 UBR=
3
6.7
115200 UBR=
1
12.5 UBR=
10.0 UBR=
1
7.8 UBR=
2
20.0
Baud Rate 7.3728 MHz %Error
8MHz %Error
9.216 MHz %Error
11.059 MHz %Error
2400 UBR=
191
0.0 UBR=
207
0.2 UBR=
239
0.0 UBR=
287
-
4800 UBR=
95
0.0 UBR=
103
0.2 UBR=
119
0.0 UBR=
143
0.0
9600 UBR=
47
0.0 UBR=
51
0.2 UBR=
59
0.0 UBR=
71
0.0
14400 UBR=
31
0.0 UBR=
34
0.8 UBR=
39
0.0 UBR=
47
0.0
19200 UBR=
23
0.0 UBR=
25
0.2 UBR=
29
0.0 UBR=
35
0.0
28800 UBR=
15
0.0 UBR=
16
2.1 UBR=
19
0.0 UBR=
23
0.0
38400 UBR=
11
0.0 UBR=
12
0.2 UBR=
14
0.0 UBR=
17
0.0
57600 UBR=
70.0 UBR=
8
3.7 UBR=
90.0 UBR=
11
0.0
76800 UBR=
50.0 UBR=
6
7.5 UBR=
7
6.7 UBR=
80.0
115200 UBR=
30.0 UBR=
3
7.8 UBR=
40.0 UBR=
50.0
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