Introduction

The PY32F002B series is a powerful yet cost-effective 32-bit Cortex-M0+ microcontroller, ideal for developers seeking a compact, low-power, and feature-rich MCU for a wide range of embedded applications. Designed by Puya Semiconductor, this series delivers reliable performance, rich peripherals, and broad voltage tolerance—making it a go-to solution for industrial control, smart devices, and portable electronics.

Core Specifications

• CPU: 32-bit ARM® Cortex®-M0+, up to 24 MHz

• Flash Memory: 24 KB

• SRAM: 3 KB

• Operating Voltage: 1.7V to 5.5V

• Temperature Range: –40°C to +85°C (up to 105°C for high-temp models)

• Package Options: SOP8, SOP14, SOP16, QFN16, QFN20, MSOP10, TSSOP20

These specifications make the PY32F002B suitable for compact and power-sensitive environments without compromising functionality.

Key Features

Low-Power Modes

• Sleep Mode: CPU off, fast wake-up

• Stop Mode: Ultra-low power, retains SRAM, supports multiple wakeup sources

Rich Peripherals

• Timers: Advanced TIM1, general TIM14, low-power LPTIM, and SysTick

• ADC: 12-bit resolution with 8+2 external channels and 2 internal channels

• Comparators: 2-channel, supports PWM braking and wake-up

• Communication Interfaces:

• 1 × SPI

• 1 × I²C (100kHz/400kHz)

• 1 × USART (with auto baud rate detection)

Additional Functions

• 18x GPIOs with up to 20 mA drive strength

• CRC-32 hardware support

• Unique 96-bit UID

• SWD debugging support

Memory & Boot Features

• Multi-source boot: Main Flash, SRAM, or Load Flash (ISP Bootloader)

• Flash sector write protection with 4 KB granularity

• Option Bytes for security configuration and user settings

Application Scenarios

Thanks to its compact size and versatile features, the PY32F002B MCU is widely used in:

• ✔ Industrial control systems

• ✔ Smart home appliances

• ✔ Sensor and signal acquisition

• ✔ Portable and battery-powered devices

• ✔ Toys and handheld game consoles

• ✔ GPS and wireless modules

• ✔ PC peripherals (mice, keyboards, etc.)

Why Choose PY32F002B?

• Competitive Price-to-Performance Ratio

• Stable Supply from Trusted Manufacturer (Puya Semiconductor)

• Multiple Package Types for Flexible Design

• Rich Resources & Reference Designs Available

Whether you are developing a low-cost IoT device, a smart home controller, or a wearable gadget, the PY32F002B series offers a reliable foundation for your embedded solution.

Need Samples or Technical Support?

AXTEK provide technical documentation, reference designs, and quick delivery of PY32F002B series MCU samples. Contact us today to accelerate your development!

[Get in Touch] or [Request a Quote]: sales01@axtekic.com