參數(shù)資料
型號: EVAL-ADUC832QSZ
廠商: Analog Devices Inc
文件頁數(shù): 77/92頁
文件大?。?/td> 0K
描述: KIT DEV FOR ADUC832 QUICK START
產(chǎn)品培訓(xùn)模塊: Process Control
標(biāo)準(zhǔn)包裝: 1
系列: QuickStart™ 套件
類型: MCU
適用于相關(guān)產(chǎn)品: ADuC832
所含物品: 評估板,線纜,電源,軟件和文檔
其它名稱: EVAL-ADUC832QS
EVAL-ADUC832QS-ND
Data Sheet
ADuC832
Rev. B | Page 79 of 92
After the values for DIV and T3FD are calculated, the actual
baud rate can be calculated using the following formula:
)
64
3
(
2
+
×
=
FD
T
f
Rate
Baud
Actual
DIV
CORE
For example, to obtain a baud rate of 115,200 while operating at
16.78 MHz,
DIV = log(11,059,200/(32 × 115,200))/log(2) = 1.58 = 1
T3FD = (2 × 11,059,200)/(21 × 115,200) 64 = 32 = 20H
Therefore, the actual baud rate is 114,912 bits/sec.
Table 44. Commonly Used Baud Rates Using Timer 3
Ideal Baud
CD
DIV
T3CON
T3FD
% Error
230,400
0
1
81H
09H
0.25
115,200
0
2
82H
09H
0.25
115,200
1
81H
09H
0.25
115,200
2
0
80H
09H
0.25
57,600
0
3
83H
09H
0.25
57,600
1
2
82H
09H
0.25
57,600
2
1
81H
09H
0.25
57,600
3
0
80H
09H
0.25
38,400
0
3
83H
2DH
0.2
38,400
1
2
82H
2DH
0.2
38,400
2
1
81H
2DH
0.2
38,400
3
0
80H
2DH
0.2
19,200
0
4
84H
2DH
0.2
19,200
1
3
83H
2DH
0.2
19,200
2
82H
2DH
0.2
19,200
3
1
81H
2DH
0.2
19,200
4
0
80H
2DH
0.2
9600
0
5
85H
2DH
0.2
9600
1
4
84H
2DH
0.2
9600
2
3
83H
2DH
0.2
9600
3
2
82H
2DH
0.2
9600
4
1
81H
2DH
0.2
9600
5
0
80H
2DH
0.2
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