C8051F124-GQR Datasheet, PDF (295/350 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
Frequency (MHz)
100.0
99.5328
50.0
49.7664
24.0
22.1184
18.432
11.0592
3.6864
1.8432
100.0
99.5328
50.0
49.7664
24.0
22.1184
18.432
11.0592
3.6864
1.8432
100.0
99.5328
50.0
49.7664
24.0
22.1184
18.432
11.0592
3.6864
1.8432
Timer 1 Reload
Divide Factor
Value¹
864
864
432
432
208
192
160
96
32
16
3472
3456
1744
1728
832
768
640
348
128
64
10416
10368
5216
5184
2496
2304
1920
1152
384
192
0xCA
0xCA
0xE5
0xE5
0xF3
0xF4
0xF6
0xFA
0xFE
0xFF
0x27
0x28
0x93
0x94
0xCC
0xD0
0xD8
0xE8
0xF8
0xFC
-
-
-
-
0x64
0x70
0x88
0xB8
0xE8
0xF4
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)²
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
Notes:
1. Assumes SMOD0 = 1 and T1M = 1.
2. Numbers in parenthesis show the actual baud rate.
Rev. 1.4
295