参数资料
型号: AT83C5112
厂商: Atmel Corp.
英文描述: 8-bit Microcontroller with A/D Converter
中文描述: 8位微控制器与A / D转换器
文件页数: 31/97页
文件大小: 1229K
代理商: AT83C5112
31
AT8xC5112
4191B
8051
04/03
for UART:
Example of computed value when X2=1, SMOD1=1, SPD=1
Example of computed value when X2=0, SMOD1=0, SPD=0
The baud rate generator can be used for mode 1 or 3 (refer to Figure 10. ), but also for
mode 0 for both UARTs, thanks to the bit SRC located in BDRCON register (see Table
29).
Baud Rates
F
XTAL
= 16.384 MHz
F
XTAL
= 24 MHz
BRL
Error (%)
BRL
Error (%)
115200
247
1.23
243
0.16
57600
238
1.23
230
0.16
38400
229
1.23
217
0.16
28800
220
1.23
204
0.16
19200
203
0.63
178
0.16
9600
149
0.31
100
0.16
4800
43
1.23
-
-
Baud Rates
F
OSC
= 16.384 MHz
F
OSC
= 24 MHz
BRL
Error (%)
BRL
Error (%)
4800
247
1.23
243
0.16
2400
238
1.23
230
0.16
1200
220
1.23
202
3.55
600
185
0.16
152
0.16
Baud_Rate =
2
SMOD1
x 2
X2
x F
XTAL
2 x 2 x 6
(1-SPD)
x 16 x [256 - (BRL)]
(BRL) = 256 -
2
SMOD1
x 2
X2
x F
XTAL
2 x 2 x 6
(1-SPD)
x 16 x Baud_Rate
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