C8051F305-GSR Silicon Labs, C8051F305-GSR Datasheet - Page 139

• Manufacturer Part Number: C8051F305-GSR
• Description: 8-bit Microcontrollers - MCU 2KB 14Pin MCU
• Manufacturer: Silicon Labs

Specifications of C8051F305-GSR

• Rohs: yes
• Core: 8051
• Processor Series: C8051
• Data Bus Width: 8 bit

Table 14.3. Timer Settings for Standard Baud Rates Using an External 22.1184 MHz
Notes:
1. SCA1–SCA0 and T1M bit definitions can be found in
2. X = Don’t care.
Baud Rate
230400
115200
230400
115200
Target
57600
28800
14400
57600
28800
14400
(bps)
9600
2400
1200
9600
Baud Rate
% Error
0.00%
0.00%
0.00%
0.00%
0.00%
0.00%
0.00%
0.00%
0.00%
0.00%
0.00%
0.00%
0.00%
0.00%
Oscillator
Factor
Divide
18432
1536
2304
9216
1536
2304
192
384
768
192
384
768
96
96
Frequency: 22.1184 MHz
Oscillator
Rev. 2.9
SYSCLK / 12
SYSCLK / 12
SYSCLK / 12
SYSCLK / 48
SYSCLK / 48
Timer Clock
EXTCLK / 8
EXTCLK / 8
EXTCLK / 8
EXTCLK / 8
EXTCLK / 8
EXTCLK / 8
SYSCLK
SYSCLK
SYSCLK
Source
Section 15.1
C8051F300/1/2/3/4/5
SCA1–SCA0
(pre-scale
.
select)
XX
XX
XX
00
00
00
10
10
11
11
11
11
11
11
2
2
2
1
T1M
1
1
1
0
0
0
0
0
0
0
0
0
0
0
1
Value (hex)
Timer 1
Reload
0xD0
0xC0
0xD0
0xA0
0xE0
0xA0
0xA0
0xFA
0xF4
0xE8
0xA0
0x70
0x40
0x40
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