C8051F321-GMR - Silicon Labs

Manufacturer Part Number

C8051F321-GMR

Manufacturer

silicon-labs

Introduction

The C8051F321-GMR is a high-performance, highly integrated 8-bit microcontroller from Silicon Labs' C8051F32x series designed for a wide range of embedded applications.

Product Features and Performance

Core: 8051 processor running at 25MHz

Connectivity options include SMBus (2-Wire/I2C), SPI, UART/USART, USB

Integrated peripherals: Brown-out Detect/Reset, Power-On Reset (POR), Pulse Width Modulation (PWM), Temperature Sensor, Watchdog Timer (WDT)

Program Memory: 16KB FLASH

RAM: 2.25KB

Digital-to-Analog Converters: 13 channels of 10-bit A/D conversion

Oscillator: Internal

Number of I/O pins: 21

Product Advantages

Low power consumption due to efficient design

High integration level reduces external component count

Flexible connectivity options facilitate communication with a broad range of devices

Integrated temperature sensor and watchdog timer enhance system reliability

Compact 28-VFQFN package saves board space

Key Technical Parameters

Speed: 25MHz

Program Memory Size: 16KB

RAM Size: 2.25KB

Voltage Supply (Vcc/Vdd): 2.7V ~ 3.6V

Operating Temperature: -40°C ~ 85°C

Packaging: Tape & Reel (TR)

Quality and Safety Features

Brown-out Detect/Reset ensures reliable operation under fluctuating power conditions

Power-On Reset (POR) facility for safe initialization of microcontroller at power-up

Compatibility

Compatible with SMBus, SPI, UART/USART, and USB protocols for easy integration into existing designs

Application Areas

Industrial control systems

Consumer electronics

Automotive systems

Communication devices

Product Lifecycle

Status: Not For New Designs (indicating the product may be nearing end of life, with limited support and availability)

Recommends checking for replacement or upgrade options

Several Key Reasons to Choose This Product

High performance with 8051 core at 25MHz ensuring fast and efficient processing

Diverse connectivity options (SMBus, SPI, UART/USART, USB) support complex applications

Integrated peripherals (like BOD, PWM, Temperature Sensor) reduce need for external components

Operates over a wide temperature range (-40°C to 85°C) suitable for harsh environments

Compact package and low power consumption make it ideal for portable devices