C8051F302 Silicon Laboratories Inc, C8051F302 Datasheet - Page 130

• Manufacturer Part Number: C8051F302
• Description: IC 8051 MCU 8K FLASH 11MLP
• Manufacturer: Silicon Laboratories Inc
• Series: C8051F30xr

Specifications of C8051F302

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 25MHz
• Connectivity: SMBus (2-Wire/I²C), UART/USART
• Peripherals: POR, PWM, Temp Sensor, WDT
• Number Of I /o: 8
• Program Memory Size: 8KB (8K x 8)
• Program Memory Type: FLASH
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 3.6 V
• Data Converters: A/D 8x8b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 11-VQFN
• Data Bus Width: 8 bit
• Data Ram Size: 256 B
• Interface Type: I2C, SMBus, UART
• Maximum Clock Frequency: 25 MHz
• Number Of Programmable I/os: 8
• Number Of Timers: 16 bit
• Operating Supply Voltage: 2.7 V to 3.6 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 8 bit
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: No

C8051F300/1/2/3/4/5
130
Table 14.1. Timer Settings for Standard Baud Rates Using The Internal Oscillator
Table 14.2. Timer Settings for Standard Baud Rates Using an External Oscillator
Target
Baud Rate
(bps)
Target
Baud Rate
(bps)
230400
115200
230400
115200
57600
28800
14400
57600
28800
14400
57600
28800
14400
9600
2400
1200
9600
2400
1200
9600
Baud Rate
% Error
X = Don’t care
†
Baud Rate
% Error
X = Don’t care
†
SCA1-SCA0 and T1M bit definitions can be found in
SCA1-SCA0 and T1M bit definitions can be found in
-0.32%
-0.32%
-0.32%
-0.32%
-0.32%
-0.47%
-0.01%
-0.01%
-0.01%
-0.47%
-0.47%
0.15%
0.15%
0.15%
0.45%
0.45%
0.15%
0.45%
0.45%
0.15%
Divide
Factor
Divide
Factor
Oscillator
Oscillator
10176
20448
10464
20832
1704
2544
1736
2608
1744
2608
106
212
426
848
108
218
434
872
432
864
Frequency: 24.5 MHz
Frequency: 25.0 MHz
Rev. 2.3
Timer Clock
Source
SYSCLK / 12
SYSCLK / 12
SYSCLK / 48
SYSCLK / 48
Timer Clock
Source
SYSCLK / 48
SYSCLK / 48
EXTCLK / 8
EXTCLK / 8
EXTCLK / 8
EXTCLK / 8
EXTCLK / 8
SYSCLK / 4
SYSCLK / 4
SYSCLK / 4
SYSCLK
SYSCLK
SYSCLK
SYSCLK
SYSCLK
SYSCLK
SCA1-SCA0
(pre-scale select)
SCA1-SCA0
(pre-scale select)
XX
XX
XX
XX
XX
XX
01
00
00
10
10
01
01
10
10
11
11
11
11
11
Section
Section
†
†
15.1.
15.1.
T1M
T1M
1
1
1
0
0
0
0
0
1
1
1
0
0
0
0
0
0
0
0
0
†
†
Timer 1
Reload
Value (hex)
Timer 1
Reload
Value (hex)
0xCA
0xCA
0xCB
0x2B
0xB9
0x2B
0x5D
0x5D
0xE5
0x96
0x96
0x96
0x96
0x93
0x27
0x93
0x27
0x93
0x27
0x93