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HDLC CONTROLLER
The example in the following Table assumes a 66MHz clock from MCLK2, a 24.576MHz clock from RxC,
showing a time constant for a number of commonly used baud rates.
Baud Rate
(BRGOUT2)
CNT0
400K
164
600K
109
800K
82
1000K
65
4000K
16
6000K
10
8000K
7
10000K
6
8-8
Table 8-2. Baud Rate Example of HDLC
MCLK2 = 66 MHz
CNT1
CNT2
Freq.
0
0
400000
0
0
600000
0
0
795181
0
0
1000000
0
0
3882353
0
0
6000000
0
0
8250000
0
0
9428571
Dev.
CNT0
CNT1
(%)
0.0
60
0
0.0
40
0
-0.6
30
0
0.0
24
0
-2.9
5
0
0.0
3
0
3.1
2
0
-5.7
1
0
R× × C = 24.576 MHz
CNT2
Freq.
0
402885
0
599415
0
792774
0
983040
0
4096000
0
6144000
0
8192000
0
12288000
S3C2500B
Dev.
(%)
0.7
-0.1
-0.9
-1.7
2.4
2.4
2.4
22.9
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