
Product Overview
The CY9BF521KQN-G-AVE2 is a high-performance 32-bit microcontroller from Infineon's FM3 MB9B520M Series (formerly Cypress Semiconductor). Based on the ARM® Cortex®-M3 core, this MCU delivers outstanding processing performance, low power consumption, and rich integrated peripherals for industrial automation, embedded control, consumer electronics, and communication applications.
Featuring up to 72 MHz CPU performance, 96 KB embedded Flash memory, 16 KB SRAM, multiple communication interfaces, and advanced analog peripherals, the CY9BF521KQN-G-AVE2 provides a reliable and cost-effective solution for modern embedded system designs. It is supplied in a compact 48-pin QFN package for space-constrained applications.
Key Features
- ARM® Cortex®-M3 32-Bit CPU Core
- CPU Frequency Up to 72 MHz
- 96 KB Embedded Flash Memory
- 16 KB SRAM
- Up to 35 General-Purpose I/O Pins
- 14-Channel 12-Bit ADC
- 2-Channel 10-Bit DAC
- DMA Controller
- PWM, Watchdog Timer, POR and LVD
- Internal Oscillator
- USB, CAN, LIN, I²C, CSIO and UART/USART Interfaces
- Surface Mount QFN-48 Package
- RoHS Compliant
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Infineon Technologies |
| Part Number | CY9BF521KQN-G-AVE2 |
| Product Family | FM3 MB9B520M Series |
| Core Processor | ARM Cortex®-M3 |
| Core Size | 32-Bit |
| Maximum CPU Speed | 72 MHz |
| Program Memory | 96 KB Flash |
| SRAM | 16 KB |
| GPIO | Up to 35 I/O |
| ADC | 14 × 12-Bit |
| DAC | 2 × 10-Bit |
| Communication Interfaces | CAN, USB, LIN, I²C, CSIO, UART/USART |
| Operating Voltage | 2.7 V – 5.5 V |
| Operating Temperature | -40°C to +105°C |
| Package | PG-VQFN-48 |
| Mounting Type | Surface Mount |
Applications
- Industrial Automation
- Embedded Control Systems
- Smart Home Devices
- Consumer Electronics
- Human Machine Interface (HMI)
- Communication Equipment
- Measurement & Instrumentation
- Motor Control
- Medical Devices
- IoT Applications
Why Choose Us
- 100% Original and Authentic Components
- Competitive Wholesale Pricing
- Global Shipping Available
- Professional Technical Support
- Reliable Supply Chain
- Fast Order Processing
- Long-Term Supply Support for OEM & EMS Customers
Contact Us
Looking for volume pricing, stock availability, or technical support?
Our sales team is ready to assist with:
- Bulk Order Quotations
- Product Availability Checks
- Worldwide Shipping Arrangements
- Alternative Part Recommendations
- Technical Documentation Support
Payment Methods
We accept the following payment methods:
- T/T (Bank Wire Transfer)
- PayPal
- Credit Card
Shipping Options
We support worldwide shipping via:
- FedEx
- DHL
- UPS
- Registered Airmail
- Other Available Shipping Methods
Estimated Delivery Times:
- Express Shipping: Typically 4–15 business days
- Registered Airmail: Typically 14–38 business days
Shipping times may vary depending on your location, customs clearance, and carrier conditions.
Inventory & Pricing
Inventory and pricing may change frequently. Please contact us via WhatsApp, email, or our online inquiry form to receive the latest stock availability, lead times, and quotations.
Wholesale & OEM Support
We offer competitive pricing for:
- Bulk Purchases
- OEM Projects
- Distributors
- Contract Manufacturers
- Long-Term Business Partnerships
Contact us with your required quantity for a customized quotation.
Contact us on WhatsApp today for pricing, availability, and technical support. Our team is ready to help with your order.