C8051F501-IQ Silicon Laboratories Inc, C8051F501-IQ Datasheet - Page 244

• Manufacturer Part Number: C8051F501-IQ
• Description: IC 8051 MCU 64K FLASH 48-QFP
• Manufacturer: Silicon Laboratories Inc
• Series: C8051F50xr

Specifications of C8051F501-IQ

• Program Memory Type: FLASH
• Program Memory Size: 64KB (64K x 8)
• Package / Case: 48-QFP
• Mfg Application Notes: LIN Bootloader AppNote
• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 50MHz
• Connectivity: EBI/EMI, SMBus (2-Wire/I²C), SPI, UART/USART
• Peripherals: POR, PWM, Temp Sensor, WDT
• Number Of I /o: 40
• Ram Size: 4.25K x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 5.25 V
• Data Converters: A/D 32x12b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Processor Series: C8051F5x
• Core: 8051
• Data Bus Width: 8 bit
• Data Ram Size: 4.25 KB
• Interface Type: I2C/SPI/UART
• Maximum Clock Frequency: 50 MHz
• Number Of Programmable I/os: 40
• Number Of Timers: 4
• Maximum Operating Temperature: + 125 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: PK51, CA51, A51, ULINK2
• Development Tools By Supplier: C8051F500DK
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 32-ch x 12-bit
• Package: 48PQFP
• Device Core: 8051
• Family Name: C8051F50x
• Maximum Speed: 50 MHz
• Operating Supply Voltage: 2.5|3.3|5 V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: 336-1527 - KIT DEV FOR C8051F50X
• Eeprom Size: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 336-1512

C8051F50x/F51x
A quick reference for typical baud rates and clock frequencies is given in Table 24.1.
244
Target Baud
Rate (bps)
230400
115200
230400
115200
230400
115200
57600
28800
14400
57600
28800
14400
57600
28800
14400
9600
2400
1200
9600
2400
1200
9600
2400
1200
Table 24.1. Baud Rate Generator Settings for Standard Baud Rates
Actual Baud
Baud Rate
Rate (bps)
230769
115385
230769
115385
230769
115385
57554
28812
14397
57692
28777
14406
57692
28846
14388
9600
2400
1200
9600
2400
1200
9600
2400
1200
Equation 24.1. UART0 Baud Rate
=
------------------------------------------------------------------------------

65536 (SBRLH0:SBRLL0)
Baud Rate
0.16%
0.16%
0.08%
0.04%
0.02%
0.00%
0.00%
0.00%
0.16%
0.16%
0.16%
0.08%
0.04%
0.00%
0.00%
0.00%
0.16%
0.16%
0.16%
0.16%
0.08%
0.00%
0.00%
0.00%
Error
–
SYSCLK
Rev. 1.2
Oscillator
Factor
Divide
20000
40000
10000
20000
10000
1666
3334
5000
1666
2500
1250
5000
208
416
834
104
208
416
834
104
208
416
834
52

(Prescaler Bits)
x
SB0PS[1:0]
1
-- -
2
x
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
------------------------ -
Prescaler
1
SBRLH0:SBRLL0
Reload Value in
0xFCBF
0xFFCC
0xFCBF
0xFFCC
0xFB1E
0xEC78
0xFD8F
0xEC78
0xFF98
0xFF30
0xFE5F
0xF97D
0xF63C
0xD8F0
0xB1E0
0xFF98
0xFF30
0xFE5F
0xD8F0
0xFFE6
0xFF98
0xFF30
0xFE5F
0xF63C