Rainbow-electronics ATmega8515L Manual de usuario descargar pdf (Pagina 157)

157

ATmega8515(L)

2512A–AVR–04/02

Table 69. Examples ofUBRR SettingsforCommonly UsedOscillatorFrequencies(Continued)

Baud

Rate

(bps)

osc

= 3.6864 MHz f

osc

= 4.0000 MHz f

osc

= 7.3728 MHz

U2X=0U2X=1U2X=0U2X=1U2X=0U2X=1

UBRR Error UBRR Error UBRR Error UBRR Error UBRR Error UBRR Error

2400 950.0% 1910.0% 103 0.2% 207 0.2% 1910.0%383 0.0%

4800 47 0.0%950.0% 51 0.2% 103 0.2%950.0% 1910.0%

9600 23 0.0% 47 0.0% 25 0.2% 51 0.2% 47 0.0%950.0%

14.4k 15 0.0%310.0% 16 2.1%34 -0.8%310.0%630.0%

19.2k 11 0.0% 23 0.0% 12 0.2% 25 0.2% 23 0.0% 47 0.0%

28.8k70.0% 15 0.0% 8 -3.5% 16 2.1% 15 0.0%310.0%

38.4k 50.0% 11 0.0%6-7.0% 12 0.2% 11 0.0% 23 0.0%

57.6k 3 0.0%70.0%38.5% 8 -3.5%7 0.0% 15 0.0%

76.8k 20.0% 50.0% 28.5%6-7.0% 50.0% 11 0.0%

115.2k 10.0%30.0% 18.5%38.5%30.0%70.0%

230.4k 00.0% 10.0% 08.5% 18.5% 10.0%30.0%

250k 0 -7.8% 1 -7.8% 00.0% 10.0% 1 -7.8%3-7.8%

0.5M ––0-7.8% ––00.0% 0 -7.8% 1 -7.8%

1M ––––––––––0-7.8%

Max.

(1)

230.4 kbps 460.8 kbps 250 kbps 0.5 Mbps 460.8 kbps 921.6 kbps

1. UBRR = 0,Error=0.0%

1 2 ... 152 153 154 155 156 157 158 159 160 161 162 ... 222 223

Sin comentarios

Rainbow-electronics ATmega8515L Manual de usuario Pagina 157