National Technology Launches N32G033x/N32M0xx Series MCUs, Optimizing Entry-Level Motor Control Applications

At the 2025 Advanced Motor Control Technology Seminar, National Technology officially unveiled the N32G033x/N32M0xx series MCUs. Designed for entry-level electronic control scenarios, this product redefines the value standard of basic electronic control products through an innovative technical architecture and has gained recognition from industry experts.

I. Technical Architecture Innovation: Enhancing the Practicality of Electronic Control Platforms

Based on in-depth experience in third-generation motor control technology, the N32G033x/N32M0xx series MCUs achieve multiple optimizations in architecture, balancing performance and integration:

1. Performance Upgrade: Adopts a new bus architecture, equipped with 64MHz clock frequency, 64KB Flash, and 6KB RAM, delivering excellent actual operating efficiency
   • CoreMark score reaches 94@64MHz
   • Minimum current loop processing time: 25μs
2. Highly Integrated Design: Reduces reliance on external components and optimizes system configuration
   • Built-in 3-channel OPA (Operational Amplifier) supporting differential amplification, compatible with various current sampling topologies such as 2+1, 3+0, and single-resistor
   • OPA integrates a feedback resistor network with programmable gain up to 32x
   • Incorporates multiple reference voltage sources (1.8V, 1/2AVCC, 1/4AVCC, 1.2V reference, etc.)

II. Core Technical Highlights: Adapting to Practical Motor Control Needs

1. Comprehensive Encoder Support
   • Newly defined 32-bit general-purpose timer, fully compatible with ABZ, pulse-type, CW/CCW encoders, etc.
   • Supports automatic zeroing and detection without additional software intervention
   • Compatible with high-speed/low-speed motors and high-precision/low-precision encoders, featuring strong versatility
2. Intelligent Power Consumption Control
   • Optimized circuit design with typical current of 3μA in Stop mode
   • Stop mode can directly replace zero-standby circuits, reducing BOM cost and PCB area
   • Multiple power management modes available to extend the battery life of powered devices
3. Flexible Module Linkage
   • 16 trigger sources (including timers) can trigger ADC sampling
   • ADC can directly sample OPA output results, and COMP (Comparator) can directly detect OPA output
   • DMA supports direct transmission of 3-channel data streams, reducing CPU load

III. Optimization of Professional Motor Control Performance

1. More Adaptive Timer System
   • 1 advanced timer: Outputs 4 pairs of complementary PWM, supports bidirectional comparison values, suitable for BLDC motor and stepper motor control
   • 1 32-bit timer: Enhanced encoder adaptation and counter functions
   • 1 16-bit timer: Newly added Break protection function
   • 1 basic timer: Used for precise timing measurement
2. More Efficient ADC Sampling System
   • Sampling rate up to 1Msps with 12-bit conversion resolution
   • Equipped with 10 conversion result registers supporting segment management
   • Hold time of each sampling channel can be independently configured
   • Supports multiple sampling scenarios such as OPA output direct sampling, NTC direct sampling, and reference voltage direct sampling

IV. Product Selection and Development Support

1. Product Selection: Initially launches 7 enhanced industrial-grade models to meet diverse scenario requirements
2. Hardware Support: Provides supporting evaluation boards (STB boards, EVB boards) and mature reference designs (hair dryers, power tools, refrigerators, etc.)
3. Sample Application: Samples can be requested by contacting National Technology's offline sales teams or authorized distributors via the official website (https://www.nsingtech.com)
4. Software and Tool Support: Compatible with development tools such as Keil, IAR, and GCC; offers NS-LINK mass production tools; provides complete technical documents including software development kit source code, hardware reference designs, and application notes, which will be gradually released on the official website

National Technology assists developers in rapidly implementing motor control products through practical products, a comprehensive ecosystem, and professional services.

V. Core Advantages of National Technology's Motor Control Solutions

1. Full-Scenario Coverage: Chip solutions cover consumer, industrial, and other sectors
2. Full Motor Adaptation: Supports brushless DC (BLDC), permanent magnet synchronous, and asynchronous motors; enables single/dual/quadruple/six-motor control, meeting multiple needs with one chip
3. End-to-End Services: Professional teams provide comprehensive technical support from pre-evaluation to algorithm development