C8051F221-GQ - Silicon Labs

Manufacturer Part Number

C8051F221-GQ

Manufacturer

Silicon Labs

Introduction

Embedded microcontroller designed for industrial and embedded applications

Product Features and Performance

Core Processor: 8051

Core Size: 8-Bit

Speed: 25MHz

Connectivity: SPI, UART/USART

Peripherals: Brown-out Detect/Reset, Power-On Reset (POR), Watchdog Timer (WDT)

Number of I/O: 22

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

Program Memory Type: FLASH

RAM Size: 256 x 8

Data Converters: A/D 22x8b

Oscillator Type: Internal

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

Operating Temperature Range: -40°C to 85°C

Product Advantages

High integration with multiple peripherals

Efficient 8-bit processing for low-power applications

On-chip Analog-to-Digital converter for sensor interfacing

Internal oscillator reducing external component count

Broad voltage supply range for flexibility in various power environments

Key Technical Parameters

Mounting Type: Surface Mount

Supplier Device Package: 32-LQFP (7x7)

Package/Case: 32-LQFP

Base Product Number: C8051F221

Quality and Safety Features

Industrial temperature range for harsh environments

Brown-out detect and Power-On Reset for system reliability

Watchdog Timer for system integrity

Compatibility

Compatible with various SPI and UART/USART peripheral devices

Application Areas

Industrial control systems

Embedded systems

Sensor interfacing applications

Consumer electronics

Product Lifecycle

Product Status: Not For New Designs (indicates that a product is not recommended for new designs and may suggest that replacement or discontinuation is forthcoming)

Availability of replacements or upgrades to be checked with the manufacturer

Several Key Reasons to Choose This Product

Robust operating temperature range suited for industrial applications

Integrated 22-channel A/D converter simplifies the design for sensor-based applications

FLASH-based program memory allows in-system programmability

The 8-bit 8051 core processor has a legacy of reliability and wide-ranging use

Flexible voltage supply options to fit versatile power requirements

High I/O count for interfacing with multiple devices in complex systems