8-bit CISC microcontroller featuring a 50 MHz clock rate and 8051 core architecture. Offers 128KB Flash program memory and 8.25KB RAM. Includes 40 programmable I/Os, 6 timers, and multiple communication interfaces: I2C, SPI, and 2 UARTs. Housed in a 48-pin QFP (Quad Flat Package) with gull-wing leads for surface mounting, measuring 7x7x1mm with a 0.5mm pin pitch. Operates across a wide temperature range of -40°C to 125°C with supply voltages from 2.5V to 5V. Features 32 ADC channels from a single ADC.
PackageQFP
MountingSurface Mount
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Technical Specifications
Silicon Labs C8051F581-IQR technical specifications.
General
Basic Package Type
Lead-Frame SMT
Package Family Name
QFP
Package/Case
QFP
Package Description
Quad Flat Package
Lead Shape
Gull-wing
Pin Count
48
PCB
48
Package Length (mm)
7
Package Width (mm)
7
Package Height (mm)
1
Seated Plane Height (mm)
1.2(Max)
Pin Pitch (mm)
0.5
Package Material
Plastic
Mounting
Surface Mount
Family Name
C8051F58x
Data Bus Width
8bit
Instruction Set Architecture
CISC
Maximum Clock Rate
50MHz
Maximum CPU Frequency
50MHz
Device Core
8051
Program Memory Type
Flash
Program Memory Size
128KB
RAM Size
8.25KB
Number of Programmable I/Os
40
Core Architecture
8051
Programmability
Yes
Number of Timers
6
Interface Type
I2C/SMBus/SPI/UART
CAN
0
I2C
1
SPI
1
Ethernet
0
UART
2
USART
0
USB
0
I2S
0
Max Operating Supply Voltage
5.25V
Min Operating Temperature
-40°C
Max Operating Temperature
125°C
ADC Channels
32
Number of ADCs
Single
Compliance
Cage Code
6SQ24
EU RoHS
Yes
HTS Code
8542390001
Schedule B
8542390000
ECCN
3A991.a.2
Automotive
Yes
AEC Qualified
Yes
PPAP
No
RoHS Versions
2011/65/EU, 2015/863
Datasheet
Silicon Labs C8051F581-IQR Datasheet
Download the complete datasheet for Silicon Labs C8051F581-IQR to view detailed technical specifications.
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