C8051F321-GMR Datasheet, PDF (194/250 Pages) Silicon Laboratories – Full Speed USB, 16 k ISP FLASH MCU Family

C8051F320/1
Table 17.1. Timer Settings for Standard Baud Rates Using The Internal Oscillator
Target Actual Baud Rate Oscillator Timer Clock SCA1-SCA0 T1M* Timer 1
Baud Rate Baud Rate Error
Divide
Source (pre-scale
Reload
(bps)
(bps)
Factor
select)*
Value (hex)
230400 230769 0.16%
52
SYSCLK
XX
1
0xE6
115200 115385 0.16%
104
SYSCLK
XX
1
0xCC
57600
57692
0.16%
208
SYSCLK
XX
1
0x98
28800
28846
0.16%
416
SYSCLK
XX
1
0x30
14400
14423
0.16%
832
SYSCLK / 4
01
0
0x98
9600
9615
0.16%
1248 SYSCLK / 4
01
0
0x64
2400
2404
0.16%
4992 SYSCLK / 12
00
0
0x30
1200
1202
0.16%
9984 SYSCLK / 48
10
0
0x98
230400 230769 0.16%
104
SYSCLK
XX
1
0xCC
115200 115385 0.16%
208
SYSCLK
XX
1
0x98
57600
57692
0.16%
416
SYSCLK
XX
1
0x30
28800
28846
0.16%
832
SYSCLK / 4
01
0
0x98
14400
14423
0.16%
1664 SYSCLK / 4
01
0
0x30
9600
9615
0.16%
2496 SYSCLK / 12
00
0
0x98
2400
2404
0.16%
9984 SYSCLK / 48
10
0
0x98
1200
1202
0.16%
19968 SYSCLK / 48
10
0
0x30
X = Don’t care
*Note: SCA1-SCA0 and T1M define the Timer Clock Source. Bit definitions for these values can be found in Section
“19.1. Timer 0 and Timer 1” on page 209.
194
Rev. 1.4