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HomeProductsIntegrated Circuits (ICs)Embedded - MicrocontrollersC8051F581-IQ
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C8051F581-IQ - Silicon Labs

Manufacturer Part Number
C8051F581-IQ
Manufacturer
Energy Micro (Silicon Labs)
Allelco Part Number
32D-C8051F581-IQ
ECAD Model
Parts Description
IC MCU 8BIT 128KB FLASH 48TQFP
Detailed Description
Package
48-TQFP
Data sheet
C8051F58x/F59x.pdf
RoHs Status
RoHS Compliant
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Specifications

C8051F581-IQ Tech Specifications
Silicon Labs - C8051F581-IQ technical specifications, attributes, parameters and parts with similar specifications to Silicon Labs - C8051F581-IQ

Product Attribute Attribute Value  
Manufacturer Energy Micro (Silicon Labs)  
Voltage - Supply (Vcc/Vdd) 1.8V ~ 5.25V  
Supplier Device Package 48-TQFP (7x7)  
Speed 50MHz  
Series C8051F58x  
RAM Size 8.25K x 8  
Program Memory Type FLASH  
Program Memory Size 128KB (128K x 8)  
Peripherals POR, PWM, Temp Sensor, WDT  
Package / Case 48-TQFP  
Package Tray  
Product Attribute Attribute Value  
Oscillator Type Internal  
Operating Temperature -40°C ~ 125°C (TA)  
Number of I/O 40  
Mounting Type Surface Mount  
EEPROM Size -  
Data Converters A/D 32x12b  
Core Size 8-Bit  
Core Processor 8051  
Connectivity EBI/EMI, SMBus (2-Wire/I²C), SPI, UART/USART  
Base Product Number C8051F581  

Parts Introduction

Manufacturer Part Number

C8051F581-IQ

Manufacturer

Silicon Labs

Introduction

The C8051F581-IQ from Silicon Labs is a high-performance 8-bit microcontroller featuring a robust set of peripherals and extensive connectivity options, designed for embedded control applications.

Product Features and Performance

Core Processor: 8051

Core Size: 8-Bit

Speed: 50MHz

Connectivity: EBI/EMI, SMBus (2-Wire/I2C), SPI, UART/USART

Peripherals: Power-on Reset (POR), Pulse Width Modulation (PWM), Temperature Sensor, Watchdog Timer (WDT)

Number of I/O: 40

Program Memory Size: 128KB (128K x 8)

Program Memory Type: FLASH

RAM Size: 8.25K x 8

Voltage Supply: 1.8V ~ 5.25V

Data Converters: A/D 32x12b

Oscillator Type: Internal

Operating Temperature Range: -40°C ~ 125°C

Product Advantages

Optimized for power efficiency and high performance

Extensive connectivity and peripheral set supports complex embedded designs

Wide operating temperature range suitable for harsh environments

Key Technical Parameters

Speed: 50MHz

Program Memory: 128KB FLASH

RAM: 8.25 KB

I/O Pins: 40

ADC Resolution: 12-bit, 32 channels

Supply Voltage: 1.8V to 5.25V

Quality and Safety Features

Internal oscillators enhance stability

Temperature sensor for thermal monitoring

Power-on reset and watchdog timer for system reliability

Compatibility

Compatible with various sensors and peripheral components due to versatile I/O and connectivity features

Application Areas

Industrial automation

Automotive systems

Consumer electronics

Telecommunications

Product Lifecycle

Status: Active

Continued manufacturer support with no current plans for discontinuation

Several Key Reasons to Choose This Product

High-speed operation at 50MHz suitable for time-sensitive applications

Robust I/O and connectivity options allowing for flexible design implementations

Supports a wide range of supply voltages, enhancing adaptability across different power setups

Built-in data converters and temperature sensor simplify system design and reduce external component needs

Active product lifecycle with ongoing support from Silicon Labs

Parts with Similar Specifications

The three parts on the right have similar specifications to Silicon Labs C8051F581-IQ

Product Attribute C8051F581-IQ C8051F581-IQR C8051F565-IQ C8051F585-IM
Part Number C8051F581-IQ C8051F581-IQR C8051F565-IQ C8051F585-IM
Manufacturer Silicon Labs Silicon Labs Silicon Labs Silicon Labs
Base Product Number C8051F581 C8051F581 C8051F565 C8051F585
Package / Case 48-TQFP 48-TQFP 32-LQFP 48-VFQFN Exposed Pad
Program Memory Type FLASH FLASH FLASH FLASH
Number of I/O 40 40 25 40
Data Converters A/D 32x12b A/D 32x12b A/D 25x12b A/D 32x12b
Voltage - Supply (Vcc/Vdd) 1.8V ~ 5.25V 1.8V ~ 5.25V 1.8V ~ 5.25V 1.8V ~ 5.25V
Oscillator Type Internal Internal Internal Internal
Connectivity EBI/EMI, SMBus (2-Wire/I²C), SPI, UART/USART EBI/EMI, SMBus (2-Wire/I²C), SPI, UART/USART SMBus (2-Wire/I²C), CANbus, SPI, UART/USART EBI/EMI, SMBus (2-Wire/I²C), SPI, UART/USART
Program Memory Size 128KB (128K x 8) 128KB (128K x 8) 16KB (16K x 8) 96KB (96K x 8)
EEPROM Size - - - -
Series C8051F58x C8051F58x C8051F56x C8051F58x
Speed 50MHz 50MHz 50MHz 50MHz
Operating Temperature -40°C ~ 125°C (TA) -40°C ~ 125°C (TA) -40°C ~ 125°C (TA) -40°C ~ 125°C (TA)
Package Tray Tape & Reel (TR) Tray Tube
RAM Size 8.25K x 8 8.25K x 8 2.25K x 8 8.25K x 8
Core Processor 8051 8051 8051 8051
Core Size 8-Bit 8-Bit 8-Bit 8-Bit
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Supplier Device Package 48-TQFP (7x7) 48-TQFP (7x7) 32-LQFP (7x7) 48-QFN (7x7)
Peripherals POR, PWM, Temp Sensor, WDT POR, PWM, Temp Sensor, WDT POR, PWM, Temp Sensor, WDT POR, PWM, Temp Sensor, WDT

C8051F581-IQ Datasheet PDF

Download C8051F581-IQ pdf datasheets and Silicon Labs documentation for C8051F581-IQ - Silicon Labs.

Datasheets
C8051F58x/F59x.pdf
PCN Packaging
Labeling Change 14/Dec/2021.pdf IC/SIP MOQ Chg 11/Jan/2022.pdf
PCN Assembly/Origin
Site Change 18/Jan/2022.pdf
PCN Design/Specification
C8051F58x/59x 11/Jan/2023.pdf C8051F58x/C8051F59x 24/May/2017.pdf
Errata
C8051F58x/59x Errata.pdf

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Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

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Delivery Method

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Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.

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C8051F581-IQ Image

C8051F581-IQ

Silicon Labs
32D-C8051F581-IQ

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