SF32LB52x Chip Introduction

Chip Architecture Overview

SF32LB52x is an innovative dual-core architecture SoC chip based on Arm Cortex-M33 STAR-MC1 processor.

Maximum Operating Frequency: 240MHz

High Performance Core

Specifically designed for high-performance computing scenarios:

  • Graphics processing

  • Audio processing

  • Neural network computation

Maximum Operating Frequency: 48MHz

Low Power Core (LCPU)

Optimized for low power scenarios:

  • Bluetooth protocol stack Controller layer

  • Real-time task processing

  • Standby state management

Test Content Overview

This document provides power consumption test methods and reference results for SF32LB52x series chips in various usage scenarios:

Test Scenario Overview

Category

Test Scenario

Description

Wireless Communication

BLE Bluetooth Low Energy

Typical scenarios such as advertising, connection, data transmission

Wireless Communication

BT Classic Bluetooth

Various application modes of traditional Bluetooth protocol

Performance Test

Coremark Benchmark Test

Power consumption performance in standardized CPU performance testing

Basic Test

While Loop

Power consumption baseline for basic loop operations

Standby Mode

Shutdown Mode

Power consumption data in the lowest power state

Important Notice

Warning

Test results are for reference only

The test results in this document are closely related to software and hardware environments, and differences may exist in actual applications.

Key Factors Affecting Power Consumption

Chip Factors

  • Individual differences of the chip itself

  • Manufacturing process batch variations

Hardware Factors

  • Selection and quality of peripheral components

  • External inductor for chip built-in Buck

  • PCB design and routing

Test Environment

  • Accuracy and calibration of test equipment

  • Power supply stability and ripple

  • Environmental temperature and humidity conditions

Software Configuration

  • Firmware version and compilation options

  • I/O pin configuration status

  • Clock and power management settings

Environmental Conditions

  • Operating temperature range

  • Electromagnetic interference level

  • Power supply voltage fluctuation