参数资料
型号: R5F71474BJ80FPV
元件分类: 微控制器/微处理器
英文描述: 32-BIT, FLASH, 80 MHz, RISC MICROCONTROLLER, PQFP100
封装: 14 X 14 MM, 0.50 MM PITCH, PLASTIC, LQFP-100
文件页数: 3/123页
文件大小: 6757K
代理商: R5F71474BJ80FPV
168
ATmega165A/PA/325A/PA/3250A/PA/645A/P/6450A/P [DATASHEET]
8285E–AVR–02/2013
Note:
1. UBRRn = 0, Error = 0.0%.
Table 20-4.
Examples of UBRRn settings for commonly used oscillator frequencies.
Baud
rate
[bps]
f
osc = 1.0000MHz
f
osc = 1.8432MHz
f
osc = 2.0000MHz
U2Xn = 0
U2Xn = 1
U2Xn = 0
U2Xn = 1
U2Xn = 0
U2Xn = 1
UBRRn
Error
UBRRn
Error
UBRRn
Error
UBRRn
Error
UBRRn
Error
UBRRn
Error
2400
25
0.2%
51
0.2%
47
0.0%
95
0.0%
51
0.2%
103
0.2%
4800
12
0.2%
25
0.2%
23
0.0%
47
0.0%
25
0.2%
51
0.2%
9600
6
-7.0%
12
0.2%
11
0.0%
23
0.0%
12
0.2%
25
0.2%
14.4k
3
8.5%
8
-3.5%
7
0.0%
15
0.0%
8
-3.5%
16
2.1%
19.2k
2
8.5%
6
-7.0%
5
0.0%
11
0.0%
6
-7.0%
12
0.2%
28.8k
1
8.5%
3
8.5%
3
0.0%
7
0.0%
3
8.5%
8
-3.5%
38.4k
1
-18.6%
2
8.5%
2
0.0%
5
0.0%
2
8.5%
6
-7.0%
57.6k
0
8.5%
1
8.5%
1
0.0%
3
0.0%
1
8.5%
3
8.5%
76.8k
1
-18.6%
1
-25.0%
2
0.0%
1
-18.6%
2
8.5%
115.2k
0
8.5%
0
0.0%
1
0.0%
0
8.5%
1
8.5%
230.4k
–––
––
0
0.0%
–––
250k
–––
––
––0
0.0%
Max. (1)
62.5kbps
125kbps
115.2kbps
230.4kbps
125kbps
250kbps
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