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HomeProductsIntegrated Circuits (ICs)Embedded - MicrocontrollersC8051F321
C8051F321 Image
Image may be representation.
See specifications for product details.

C8051F321 - Silicon Labs

Manufacturer Part Number
C8051F321
Manufacturer
Energy Micro (Silicon Labs)
Allelco Part Number
32D-C8051F321
ECAD Model
Parts Description
IC MCU 8BIT 16KB FLASH 28MLP
Detailed Description
Package
28-VFQFN Exposed Pad
Data sheet
Cylindrical Battery Holders.pdf
In stock: 3680

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Quantity

Specifications

C8051F321 Tech Specifications
Silicon Labs - C8051F321 technical specifications, attributes, parameters and parts with similar specifications to Silicon Labs - C8051F321

Product Attribute Attribute Value  
Manufacturer Energy Micro (Silicon Labs)  
Voltage - Supply (Vcc/Vdd) 2.7V ~ 3.6V  
Supplier Device Package 28-MLP (5x5)  
Speed 25MHz  
Series C8051F32x  
RAM Size 2.25K x 8  
Program Memory Type FLASH  
Program Memory Size 16KB (16K x 8)  
Peripherals Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT  
Package / Case 28-VFQFN Exposed Pad  
Package Tube  
Product Attribute Attribute Value  
Oscillator Type Internal  
Operating Temperature -40°C ~ 85°C (TA)  
Number of I/O 21  
Mounting Type Surface Mount  
EEPROM Size -  
Data Converters A/D 13x10b  
Core Size 8-Bit  
Core Processor 8051  
Connectivity SMBus (2-Wire/I²C), SPI, UART/USART, USB  
Base Product Number C8051F321  

Parts Introduction

Manufacturer Part Number

C8051F321

Manufacturer

Silicon Labs

Introduction

The C8051F321 is an 8-Bit, 8051 core microcontroller designed for a variety of embedded applications, featuring a range of built-in peripherals and compatibility options.

Product Features and Performance

8051 Core Processor

Speed of 25MHz

Supports SMBus (2-Wire/I2C), SPI, UART/USART, and USB connectivity

Includes peripherals such as Brown-out Detect/Reset, POR, PWM, Temperature Sensor, and Watchdog Timer

Program Memory Size of 16KB, Flash type

Data Converters: A/D 13x10b

Oscillator Type: Internal

Product Advantages

High integration with multiple connectivity options and onboard peripherals enhances system reliability and reduces package footprint

Internal oscillators reduce external component count

A/D converters facilitate analog signal monitoring

Key Technical Parameters

Core Size: 8-Bit

Number of I/O: 21

RAM Size: 2.25K x 8

Supply Voltage: 2.7V ~ 3.6V

Operating Temperature: -40°C ~ 85°C

Package Type: 28-VFQFN Exposed Pad

Quality and Safety Features

Integrated Brown-out Detect/Reset ensures reliable operation during voltage drops

Temperature sensor for thermal monitoring

Watchdog Timer for system recovery and maintenance

Compatibility

Supports a wide range of communication protocols to ensure compatibility with existing systems and peripherals

Application Areas

Industrial Controls

Consumer Electronics

Automotive systems

Telecommunications

Product Lifecycle

Currently marked as Obsolete

Potential alternatives or upgrades should be consulted with Silicon Labs for longevity support

Several Key Reasons to Choose This Product

Versatile connectivity options compatible with various industrial standards

Integrated safety features enhance system reliability

Efficient data handling and monitoring capabilities through built-in A/D converters

Optimized for low-power applications with a wide supply voltage range

Robust operation supported by an extensive temperature range suitable for harsh environments

Parts with Similar Specifications

The three parts on the right have similar specifications to Silicon Labs C8051F321

Product Attribute C8051F321 C8051F317-GM C8051F314-GQR C8051F321-GM
Part Number C8051F321 C8051F317-GM C8051F314-GQR C8051F321-GM
Manufacturer Silicon Labs Silicon Labs Silicon Labs Silicon Labs
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Operating Temperature -40°C ~ 85°C (TA) -40°C ~ 85°C (TA) -40°C ~ 85°C (TA) -40°C ~ 85°C (TA)
Peripherals Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT POR, PWM, WDT POR, PWM, WDT Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
Base Product Number C8051F321 C8051F317 C8051F314 C8051F321
Core Size 8-Bit 8-Bit 8-Bit 8-Bit
Core Processor 8051 8051 8051 8051
Package Tube Tube Tape & Reel (TR) Tube
Voltage - Supply (Vcc/Vdd) 2.7V ~ 3.6V 2.7V ~ 3.6V 2.7V ~ 3.6V 2.7V ~ 3.6V
Number of I/O 21 21 29 21
Package / Case 28-VFQFN Exposed Pad 24-WFQFN Exposed Pad 32-LQFP 28-VFQFN Exposed Pad
Speed 25MHz 25MHz 25MHz 25MHz
Program Memory Size 16KB (16K x 8) 16KB (16K x 8) 8KB (8K x 8) 16KB (16K x 8)
EEPROM Size - - - -
Series C8051F32x C8051F31x C8051F31x C8051F32x
RAM Size 2.25K x 8 1.25K x 8 1.25K x 8 2.25K x 8
Supplier Device Package 28-MLP (5x5) 24-QFN (4x4) 32-LQFP (7x7) 28-MLP (5x5)
Program Memory Type FLASH FLASH FLASH FLASH
Connectivity SMBus (2-Wire/I²C), SPI, UART/USART, USB SMBus (2-Wire/I²C), SPI, UART/USART SMBus (2-Wire/I²C), SPI, UART/USART SMBus (2-Wire/I²C), SPI, UART/USART, USB
Oscillator Type Internal Internal Internal Internal
Data Converters A/D 13x10b - - A/D 13x10b

C8051F321 Datasheet PDF

Download C8051F321 pdf datasheets and Silicon Labs documentation for C8051F321 - Silicon Labs.

Datasheets
Cylindrical Battery Holders.pdf

Shipment

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

  1. Use your express account for shipment if you have one.
  2. Use our account for the shipment. Refer to the table below for the approximate charges.
(Different time frame / countries / package size has different price.)

Delivery Method

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. Others more shipping ways, please get in touch with your customer manager.

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.

Payment Support

The payment method can be chosen from the methods shown below: Wire Transfer (T/T, Bank Transfer), Western Union, Credit card, PayPal.

Your Faithful Supply Chain Partner -

Contact us if you have any questions.

  1. Phone
    +00852 9146 4856

Certifications & Memberships

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C8051F321

Silicon Labs
32D-C8051F321

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