C8051F120 Datasheet, PDF (299/356 Pages) Silicon Laboratories – Mixed Signal ISP Flash MCU Family

C8051F120/1/2/3/4/5/6/7
C8051F130/1/2/3
Table 21.2. Oscillator Frequencies for Standard Baud Rates
System Clock
Divide Factor Timer 1 Reload
Frequency (MHz)
Value*
100.0
864
0xCA
99.5328
864
0xCA
50.0
432
0xE5
49.7664
432
0xE5
24.0
208
0xF3
22.1184
192
0xF4
18.432
160
0xF6
11.0592
96
0xFA
3.6864
32
0xFE
1.8432
16
0xFF
100.0
3472
0x27
99.5328
3456
0x28
50.0
1744
0x93
49.7664
1728
0x94
24.0
832
0xCC
22.1184
768
0xD0
18.432
640
0xD8
11.0592
348
0xE8
3.6864
128
0xF8
1.8432
64
0xFC
100.0
10416
-
99.5328
10368
-
50.0
5216
-
49.7664
5184
-
24.0
2496
0x64
22.1184
2304
0x70
18.432
1920
0x88
11.0592
1152
0xB8
3.6864
384
0xE8
1.8432
192
0xF4
* Assumes SMOD0=1 and T1M=1.
** Numbers in parenthesis show the actual baud rate.
Timer 2, 3, or
4 Reload
Value
0xFFCA
0xFFCA
0xFFE5
0xFFE5
0xFFF3
0xFFF4
0xFFF6
0xFFFA
0xFFFE
0xFFFF
0xFF27
0xFF28
0xFF93
0xFF94
0xFFCC
0xFFD0
0xFFD8
0xFFE8
0xFFF8
0xFFFC
0xFD75
0xFD78
0xFEBA
0xFEBC
0xFF64
0xFF70
0xFF88
0xFFB8
0xFFE8
0xFFF4
Resulting Baud Rate (Hz)**
115200 (115741)
115200
115200 (115741)
115200
115200 (115384)
115200
115200
115200
115200
115200
28800 (28802)
28800
28800 (28670)
28800
28800 (28846)
28800
28800
28800
28800
28800
9600 (9601)
9600
9600 (9586)
9600
9600 (9615)
9600
9600
9600
9600
9600
Rev. 1.3
299