C8051F321

Name: C8051F321
Brand: Silicon Labs
Rating: 4.5 (10 reviews)
Author: Lisleapex

8-Bit Microcontroller with FLASH Memory

4,426 Effective Inventory

C8051F321

Effective Inventory4,426

8-Bit Microcontroller with FLASH Memory

Manufacturer Part # : C8051F321
Package/Case: VFQFN-28
Brand: Silicon Labs
Product Categories : Microcontrollers
Series : C8051F321

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C8051F321 DataSheet

Current price plan is under preparation. Please contact our customer service team for the latest pricing information. Thank you for your understanding and support!

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C8051F321 Details

The C8051F321 microcontroller, manufactured by Silicon Labs, is tailored for industrial environments. Its high-speed pipelined 8051 core, operating at up to 25 MHz, makes it well-suited for demanding applications. With 8 KB of on-chip Flash memory and 256 bytes of RAM, the microcontroller offers ample space for program and data storage. Additionally, it is equipped with a versatile set of peripherals such as multiple timers/counters, UART, SPI interfaces, and an 8-channel 10-bit ADC, enabling comprehensive functionality

Key Features

8-bit microcontroller
8051 core with 25 MHz maximum frequency
8 kB of flash memory and 256 bytes of RAM
Low-power operation with less than 10 mA at 25 MHz
Integrated analog peripherals including ADC and DAC
UART, SPI, and I2C communication interfaces

Application

Industrial automation
Smart grid
Smart cities
Wireless sensor networks
Automotive systems
Home automation
Healthcare devices
Consumer electronics
Security systems
Internet of Things (IoT) applications

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Rohs Code	No	Part Life Cycle Code	Active
Part Package Code	DFN	Pin Count !	28
Reach Compliance Code		HTS Code !	8542.31.00.01
Has ADC	YES	Address Bus Width !
Bit Size	8	CPU Family	8051
Clock Frequency-Max	12.18 MHz	DAC Channels	NO
DMA Channels	NO	External Data Bus Width
JESD-30 Code	S-XQCC-N28	Length	5 mm
Moisture Sensitivity Level	3	Number of I/O Lines	21
Number of Terminals	28	Operating Temperature-Max	85 °C
Operating Temperature-Min	-40 °C	PWM Channels	YES
Package Body Material	UNSPECIFIED	Package Code	HVQCCN
Package Equivalence Code	LCC28,.2SQ,20	Package Shape	SQUARE
Package Style	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	Peak Reflow Temperature (Cel)	260
Power Supplies !	3.3 V	Qualification Status !	Not Qualified
RAM (bytes)	2304	ROM (words)	16384
ROM Programmability	FLASH	Seated Height-Max	1 mm
Speed	25 MHz	Supply Voltage-Max	3.6 V
Supply Voltage-Min	2.7 V	Supply Voltage-Nom	3 V
Surface Mount !	YES	Technology	CMOS
Temperature Grade !	INDUSTRIAL	Terminal Form !	NO LEAD
Terminal Pitch !	0.5 mm	Terminal Position	QUAD
Width	5 mm	uPs/uCs/Peripheral ICs Type	MICROCONTROLLER

Specification Comparison

C8051F321 vs C8051F347 vs C8051F314 C8051F342 vs C8051F321 vs C8051F347

Datasheet PDF

Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.

Preliminary Specification C8051F321 PDF Download

FAQs

What is C8051F321?

The C8051F321 is a low-power, small-footprint microcontroller designed by Silicon Labs. It is ideal for applications requiring embedded control, low power consumption, and compact design, such as IoT devices, portable consumer electronics, and sensor nodes.

How Does C8051F321 Work?

The C8051F321 works as a microcontroller with integrated peripherals including analog and digital I/O, UART, SPI, and timers. It operates with a low-power pipelined 8051 core, providing efficient computation and control. The microcontroller offers a range of features suitable for various embedded applications, including sensor interfacing, data processing, and communication protocols.

How Many Pins does C8051F321 have and What are the Functions of the Pinout Configuration?

The C8051F321 is housed in a 20-pin QFN (Quad Flat No-leads) package. The pinout configuration includes:

VDD, VSS: Power supply and ground pins.
P0.0 to P0.7: General-purpose I/O pins.
P1.0 to P1.7: General-purpose I/O pins.
ADC0, ADC1: Analog-to-digital converter input pins.
SCK, MISO, MOSI: Serial communication interface pins.
RST, /INT0, /INT1: Reset and interrupt pins.

What are the Pros and Cons of C8051F321?

Pros:

Low Power Consumption: Operates with low power, suitable for battery-powered devices.
Integrated Peripherals: Includes analog and digital I/O, ADC, SPI, and UART for versatile connectivity.
Compact Size: The 20-pin QFN package offers a small footprint for space-constrained designs.
Embedded Flash Memory: Features embedded non-volatile memory for program storage.

Cons:

Limited Processing Power: The 8051 core may have limitations for processing-intensive tasks.
Limited I/O Pins: The 20-pin package may not provide enough I/O for more complex applications.
Limited Memory: May have limitations in terms of program and data memory compared to higher-end microcontrollers.

Are There Any Equivalents/Alternatives to C8051F321 for Recommendation?

The EFM8UB1 from Silicon Labs is a similar low-power microcontroller with additional features.
Alternatives to the C8051F321 include the PIC16F18345 from Microchip Technology and the STM32F030F4P6 from STMicroelectronics.