Multi-resource, Highly Flexible: WAYON‘s High-frequency 8051 Core WY8S9003 Series MCU Launched

PublishTime： 2024-08-10 Article Source：WAYON Official Website

Recently, WAYON officially announced the launch of its new generation high-frequency 8051 core WY8S9003 series general-purpose microcontrollers. This MCU integrates dual operational amplifiers and comparators along with rich communication interfaces, making it highly suitable for BLDC motor control applications. It is also appropriate for wireless charging, BMS, security, consumer electronics, and other application fields.

The new WY8S9003 series uses the 8051 core as a high-speed data processing engine, with a wide operating voltage range of 2.2V~5.5V (at 25℃), meeting industrial grade requirements with an operating temperature of -40℃~105℃ and high noise immunity. It supports 16KB Flash, 1KB XRAM, and a configurable LDROM boot area from 0~4KB. Its core processing speed can reach 48MHz, making it a high-frequency 8-bit general-purpose MCU.

The WY8S9003 series offers multiple packaging forms, including SSOP24, TSSOP20, QFN24, and QFN20, to flexibly meet the needs of various application scenarios.

Key Features of WY8S9003

1. Multiple Resources

2 operational amplifiers

2 comparators

2 UARTs

1 standard SPI

1 standard I²C (master/slave mode)

8-channel 12-bit ADC

4 general-purpose timers (Timer0/1/2/3)

1 software timer (SWT)

1 watchdog timer (WDT)

2. High Flexibility

Digital pin full mapping capability, allowing all GPIOs to be configured for any digital function

Higher flexibility in design with zero waste of pin resources

Provides a more optimal BOM size and cost solution

3. Development Support

Supports Keil development platform

Dual-wire debugging, supporting multiple upgrade methods (ICP/ISP)

Comprehensive development and programming kits

Complete application development reference documentation

solutions for different application scenarios. Among these, the motor control solution is particularly representative:

Motor Control Solution Block Diagram

This solution uses WAYON's latest WY8S9003 series MCU, focusing on the BLDC field, with overall optimization for BLDC performance, suitable for motor drives in all BLDC fields.

Flexible Design

This electronic control drive board supports both sensorless and sensored BLDC motors. The MCU comes with an integrated comparator, eliminating the need for an external comparator, and also features an operational amplifier to detect bus current, adding more functionality without increasing the size.

Solution Overview

The standard electronic control solution includes: POWER supply module, MCU main control core module, drive control module, three-phase power drive module, and closed-loop feedback module.

Function Overview

Supports UART communication

Motor operation gear setting

Motor zero-crossing point electrical measurement

Sensorless/sensored square wave drive

Closed-loop feedback detection

This standard electronic control drive board solution is applicable to household appliances, industrial, agricultural, and robotics fields.

WAYON provides full technical support from solution design to software and hardware design and debugging. While helping users understand new products, WAYON also offers introductory and advanced materials on developing related peripherals, including software and hardware development environments, accelerating the customer's product development cycle and reducing costs.

Product Status

WAYON WY8S9003 series MCU is currently available in small batches, and samples can be requested.

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