C8051F505-IQ Silicon Laboratories Inc, C8051F505-IQ Datasheet - Page 244
![IC 8051 MCU 32K FLASH 48-QFP](/photos/12/17/121714/c8051f505-iq_sml.jpg)
C8051F505-IQ
Manufacturer Part Number
C8051F505-IQ
Description
IC 8051 MCU 32K FLASH 48-QFP
Manufacturer
Silicon Laboratories Inc
Series
C8051F50xr
Specifications of C8051F505-IQ
Program Memory Type
FLASH
Program Memory Size
32KB (32K 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
336-1520
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
C8051F505-IQ
Manufacturer:
SLB
Quantity:
590
Company:
Part Number:
C8051F505-IQ
Manufacturer:
Silicon Laboratories Inc
Quantity:
10 000
Company:
Part Number:
C8051F505-IQR
Manufacturer:
Silicon Laboratories Inc
Quantity:
10 000
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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
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