C8051F120-TB Silicon Laboratories Inc, C8051F120-TB Datasheet - Page 306

• Manufacturer Part Number: C8051F120-TB
• Description: BOARD PROTOTYPING W/C8051F120
• Manufacturer: Silicon Laboratories Inc
• Type: MCUr

Specifications of C8051F120-TB

• Contents: Board
• Processor To Be Evaluated: C8051F12x and C8051F13x
• Interface Type: USB
• Silicon Manufacturer: Silicon Labs
• Core Architecture: 8051
• Silicon Core Number: C8051F120
• Silicon Family Name: C8051F12x
• Kit Contents: Board
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• For Use With/related Products: C8051F120
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

C8051F120/1/2/3/4/5/6/7
C8051F130/1/2/3
Table 22.3. Timer Settings for Standard Baud Rates Using an External 22.1184 MHz
306
Table 22.2. Timer Settings for Standard Baud Rates Using an External 25.0 MHz
X = Don’t care
*Note: SCA1-SCA0 and T1M bit definitions can be found in
X = Don’t care
*Note: SCA1-SCA0 and T1M bit definitions can be found in
Baud Rate
Baud Rate
230400
115200
230400
115200
230400
115200
Target
Target
57600
28800
14400
57600
28800
14400
57600
28800
14400
57600
28800
14400
(bps)
(bps)
9600
2400
1200
9600
9600
2400
1200
9600
Baud Rate
Baud Rate
% Error
% Error
-0.47%
-0.01%
-0.01%
-0.01%
-0.47%
-0.47%
0.45%
0.45%
0.15%
0.45%
0.45%
0.15%
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%
tor Divide
tor Divide
Oscilla-
Oscilla-
Factor
Factor
10464
20832
18432
Frequency: 22.1184 MHz
1736
2608
1744
2608
1536
2304
9216
1536
2304
108
218
434
872
432
864
192
384
768
192
384
768
96
96
Frequency: 25.0 MHz
Oscillator
Oscillator
Rev. 1.4
SYSCLK / 48
SYSCLK / 48
SYSCLK / 12
SYSCLK / 12
SYSCLK / 12
SYSCLK / 48
SYSCLK / 48
Timer Clock
Timer Clock
SYSCLK / 4
SYSCLK / 4
EXTCLK / 8
EXTCLK / 8
EXTCLK / 8
EXTCLK / 8
EXTCLK / 8
EXTCLK / 8
EXTCLK / 8
EXTCLK / 8
EXTCLK / 8
EXTCLK / 8
EXTCLK / 8
SYSCLK
SYSCLK
SYSCLK
SYSCLK
SYSCLK
SYSCLK
Source
Source
Section 23.1
Section 23.1
SCA1-SCA0
SCA1-SCA0
(pre-scale
(pre-scale
select)*
select)*
XX
XX
XX
XX
XX
XX
01
01
10
10
00
00
00
10
10
11
11
11
11
11
11
11
11
11
11
11
.
.
T1M*
T1M*
1
1
1
0
0
0
0
0
0
0
0
0
0
0
1
1
1
0
0
0
0
0
0
0
0
0
Value (hex)
Value (hex)
Timer 1
Timer 1
Reload
Reload
0xCA
0xCA
0xD0
0xA0
0xE0
0xC0
0xA0
0xA0
0xFA
0xE8
0xD0
0xA0
0x5D
0xE5
0x5D
0x40
0x40
0xF4
0x70
0x93
0x27
0x93
0x27
0x93
0x27
0x93