Table 18.1. Timer Settings For Standard Baud Rates Using The Internal Oscillator - Silicon Laboratories C8051F341 Product Manual

C8051F340/1/2/3/4/5/6/7/8/9/A/B/C/D

Table 18.1. Timer Settings for Standard Baud Rates Using the Internal Oscillator

Target Actual
Baud Baud
Rate (bps) Rate (bps)
230400 230769
115200 115385
57600 57692
28800 28846
14400 14423
9600 9615
2400 2404
1200 1202
230400 230769
115200 115385
57600 57692
28800 28846
14400 14423
9600 9615
2400 2404
1200 1202
230400 230769
115200 115385
57600 57692
28800 28846
14400 14388
9600 9615
2400 2404
X = Don't care
*Note: SCA1-SCA0 and T1M define the Timer Clock Source. Bit definitions for these values can be found in
Section 21.1
.
212
Baud Oscillator
Rate Error Divide
Factor
0.16% 52
0.16% 104
0.16% 208
0.16% 416
0.16% 832
0.16% 1248
0.16% 4992
0.16% 9984
0.16% 104
0.16% 208
0.16% 416
0.16% 832
0.16% 1664
0.16% 2496
0.16% 9984
0.16% 19968
0.16% 208
0.16% 416
0.16% 832
0.16% 1664
0.08% 3336
0.16% 4992
0.16% 19968
Rev. 1.3
Timer Clock SCA1-SCA0
Source (pre-scale
select*
SYSCLK XX
SYSCLK XX
SYSCLK XX
SYSCLK XX
SYSCLK / 4 01
SYSCLK / 4 01
SYSCLK / 12 00
SYSCLK / 48 10
SYSCLK XX
SYSCLK XX
SYSCLK XX
SYSCLK / 4 01
SYSCLK / 4 01
SYSCLK / 12 00
SYSCLK / 48 10
SYSCLK / 48 10
SYSCLK XX
SYSCLK XX
SYSCLK / 4 01
SYSCLK / 4 01
SYSCLK / 12 00
SYSCLK / 12 00
SYSCLK / 48 10
T1M* Timer 1
Reload
Value (hex)
1 0xE6
1 0xCC
1 0x98
1 0x30
0 0x98
0 0x64
0 0x30
0 0x98
1 0xCC
1 0x98
1 0x30
0 0x98
0 0x30
0 0x98
0 0x98
0 0x30
1 0x98
1 0x30
0 0x98
0 0x30
0 0x75
0 0x30
0 0x30