C8051F131R Silicon Labs, C8051F131R Datasheet - Page 306

• Manufacturer Part Number: C8051F131R
• Description: 8-bit Microcontrollers - MCU 128kB 100MIPS 8448B RAM
• Manufacturer: Silicon Labs

Specifications of C8051F131R

• Product Category: 8-bit Microcontrollers - MCU
• Core: 8051
• Data Bus Width: 8 bit
• Maximum Clock Frequency: 100 MHz
• Program Memory Size: 128 KB
• Data Ram Size: 8.25 KB
• On-chip Adc: Yes
• Operating Supply Voltage: 2.7 V to 3.6 V
• Package / Case: TQFP-64
• Mounting Style: SMD/SMT
• A/d Bit Size: 10 bit
• A/d Channels Available: 9
• Data Rom Size: 64 KB
• Interface Type: I2C, SMBus, SPI, UART
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Number Of Programmable I/os: 32
• Number Of Timers: 16 bit
• Processor Series: C8051
• Program Memory Type: Flash
• Factory Pack Quantity: 500
• Supply Voltage - Max: 3.6 V
• Supply Voltage - Min: 3 V

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