SAB 82532/SAF 82532
Appendix
Semiconductor Group
268
07.96
The value in brackets is (N + 1, M
1)
) and is used to determine the baud rate as follows:
Baud = FXTAL/16
×
(N + 1)
×
2 M.
Maximum tolerance
<
2.5 % except where indicated by
2)
when it is
<
5 %.
M = 0
1)
may not be supported for XTAL frequencies above 10 MHz (to be characterized).
Where 0
<
N
<
63 and N is programmed in bits BR5 … BR0 in register BRG
and 0
<
M
<
15 and M is programmed in bits BR9 … BR6 in register BRG and CCR2 registers.
Table 10
Enhanced Baud Rate Generator Selections
Baud
Rate
Frequency [MHz]
2.048
3.088
6.480
8.000
8.192
9.126
12.00
15.36
16.00
16.384 18.432 29.491
300
301.9
(53/3)
301.6
(10/6)
301.6
(21/6)
300.5
(26/6)
301.9
(53/5)
300.0
(30/6)
300.5
(39/6)
300.0
(25/7)
300.5
(26/7)
301.9
(53/6)
300.0
(30/7)
300
(48/7)
1200
1207
(53/1)
1206.3
(10/4)
1205.3
(21/4)
1201.9
(26/4)
1207
(53/3)
1200.0
(30/4)
1201.9
(39/4)
1200.0
(25/5)
1201.9
(26/5)
1207
(53/4)
1200.0
(30/5)
1200
(48/5)
2400
2415
(53/0)
2412.5
(10/3)
2410.7
(21/3)
2403.8
(26/3)
2415
(53/2)
2400.0
(30/3)
2403.8
(39/3)
2400.0
(25/4)
2403.8
(26/4)
2415
(53/3)
2400.0
(30/4)
2400
(48/4)
4800
4740.7
(27/0)
9846.2
2)
(13/0)
4825
(10/2)
4821
(21/2)
4807.6
(26/2)
4830
(53/1)
4800.0
(30/2)
4807.7
(39/2)
4800/0
(25/3)
4807.7
(26/3)
4830
(53/2)
4800.0
(30/3)
4800
(48/3)
9600
9650
(10/1)
9642
(21/1)
9615.4
(26/1)
9660.4
(53/0)
9600.0
(30/1)
9615.4
(39/1)
9600.0
(25/2)
9615.4
(26/2)
9660.4
(53/1)
9600.0
(30/2)
9600
(48/2)
19.2 K
19.13
(10/0)
19.29
(21/0)
19.23
(26/0)
18.96
(27/0)
39.38
2)
(13/0)
19.2
(30/0)
19.23
(39/0)
19.2
(25/1)
19.23
(26/1)
18.96
(27/1)
19.20
(30/1)
19.20
(48/1)
38.4 K
38.6
(5/0)
38.46
(13/0)
38.4
(15/0)
37.5
(10/1)
38.4
(25/0
1)
)
38.46
(13/1)
50
2)
(10/1)
39.38
(13/1)
46.54
2)
(11/1)
38.4
(15/1)
38.4
(24/1)
48.0 K
48.25
(4/0)
48.0
(12/0)
46.5
(8/1)
48.0
(10/1)
48.0
(12/1)
48.5
(19/1)
65.83
2)
(14/1)
92.16
2)
(10/1)
64.0 K
64.0
(2/0)
64.33
(3/0)
62.5
(8/0)
64.0
(8/0)
64.0
(9/0)
62.5
(6/1)
64.0
(15/0
1)
)
62.5
(8/1)
64.0
(8/1)
64.0
(9/1)
96.0 K
96.5
(2/0)
96.0
(6/0)
93.75
(4/1)
96.0
(5/1)
96.0
(6/1)
115.2 K
115.2
(5/0)
115.2
(5/1)
115.2
(8/1)
144 K
144.0
(4/0)
142.85
(7/1)
146.29
(7/1)
144.0
(4/1)
141.7
(13/0
1)
)
192 K
193
(1/0)
192
(3/0)
187.5
(2/1)
192.0
(5/0
1)
)
192.0
(3/1)
288 K
288
(1/1)
288.0
(2/1)
384 K
375
(1/1)
768 K
CK/16
Baud
(max.)
128 K
193 K
405 K
500 K
512 K
576 K
750 K
960 K
1000 K 1024 K 1152 K 1843.2 K