C8051F505-IQ Silicon Laboratories Inc, C8051F505-IQ Datasheet - Page 176
![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
Equation 19.2. C Mode Oscillator Frequency
f
=
KF
R V
DD
For example: Assume V
= 2.1 V and f = 75 kHz:
DD
f = KF / (C x VDD)
0.075 MHz = KF / (C x 2.1)
Since the frequency of roughly 75 kHz is desired, select the K Factor from the table in SFR Definition 19.6
(OSCXCN) as KF = 7.7:
0.075 MHz = 7.7 / (C x 2.1)
C x 2.1 = 7.7 / 0.075 MHz
C = 102.6 / 2.0 pF = 51.3 pF
Therefore, the XFCN value to use in this example is 010b.
176
Rev. 1.2
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