On October 29, 2021, Beijing — GigaDevice, an industry-leading semiconductor supplier (stock number 603986), officially launched the latest member of its Arm® Cortex®-M23 core MCU portfolio, the GD32L233 series of mainstream low-power microcontrollers.

The GD32L233 series of MCUs provide excellent power consumption efficiency and optimized processing performance with multiple operating and sleep modes. Compared with similar low-power MCU products in the industry, it has richer peripheral resources and application flexibility, therefore paving the way for continuous optimization of system-level power consumption. The new series can be widely used in typical markets ranging from industrial meters, small consumer electronic devices, portable medical equipment, battery management systems, data acquisition, and transmission. The GD32L233 series of MCUs are available in 10 part numbers supporting package options of QFN32, LQFP32, LQFP48, and LQFP64. Samples and development boards are now available and will be officially mass-produced and supplied in November.

Build Advanced Low-power Products with Brand New Chip Design and Manufacturing Process

The concept of low power consumption runs through the entire chip design process at multiple levels, such as the evolution of manufacturing processes, the development of design concepts, and the innovation of chip architecture. The new GD32L233 low-power series of MCU products can effectively optimize the system power consumption:

  • Manufactured on an ultra-low power process. The GD32L233 series of MCUs adopts the industry-leading 40nm ultra-low power (ULP) manufacturing technology with low-leakage currents, thus reducing power consumption at the hardware level.
  • Specially optimized low-power analog IP. Energy-saving products are often in a static standby mode which can be awakened at any time to determine which part of the chip’s analog circuits and peripherals are in an active state. The GD32L233 series of MCUs integrate specially optimized low-power analog IP to reduce power consumption effectively.
  • Adopt low-power digital design methodology. The new chip follows a variety of low-power digital design concepts, including multi-voltage domain design. In various working modes, the chip can control the power on and off states of the resources to avoid unnecessary energy loss, thereby further enhancing the low power efficiency.

Fully Optimized Power Efficiency to Extend the Lifetime of Low-power Applications

The GD32L233 series MCU supports a system frequency of up to 64MHz, 64KB to 256KB embedded eFlash, 16KB to 32KB SRAM, and various enhanced I/O and peripheral resources connected to two APB buses. The series continues to use the industry-leading Arm® Cortex®-M23 core and brings high-efficiency processing capabilities through the reduced yet powerful Armv8-M instruction set. The fully optimized bus design, which supports independent multipliers and dividers, helps further embedded applications for low power consumption and high-efficiency energy saving.

The GD32L233 series of MCUs achieve excellent power consumption efficiency. The deep-sleep current is reduced to 2µA, with the wake-up time achieving less than 10µs. And the standby current is as low as 0.4µA. Various system clocks can trigger the deep sleep mode, and peripheral interfaces support multiple wake-up sources, including a Low-power Timer, Low-power UART, RTC, LCD, standard I2C, USART, etc. The MCU operates from 1.7V to 3.6V and supports a battery (Vbat) power supply. The brand-new designed power management unit provides up to six low-power modes, including partial sleep, deep sleep, external wake-up, etc. Under the maximum frequency and full-speed active mode, the power consumption is only 66µA/MHz, which proves excellent energy efficiency. Flexible power supply modes can achieve lower average power consumption and extend battery life.

More Innovative Solutions Provided by Rich Peripheral Interfaces

The new MCU is equipped with a wealth of peripheral interfaces to enhance connectivity, and the GPIO multiplexing rate is as high as 93%. Compared with equivalent low-power MCUs in the market, the GD32L233 series has more available I/O resources in the same package. Excluding the power supply, the remaining I/O interfaces can be used to configure more functions which significantly enhances usage flexibility.

The GD32L233 series of MCUs provides up to four general-purpose 16-bit timers, two basic timers, and one 32-bit low-power timer. Standard and advanced communication interfaces: up to two USARTs, two UARTs, a Low-power LPUART, three I2Cs, two SPIs, an I2S, and a USB 2.0 FS controller are also supported. Furthermore, the 32-bit Low-power Timer and Low-power UART can run in partial Deep-Sleep mode and wake up the MCU. In terms of analog peripherals, it integrates an ADC with a 12-bit sampling rate of up to 1MSPS, a 12-bit DAC, and two comparators.

The GD32L233 MCU introduces a new multi-channel DMA selector module (DMAMUX), which increases routing flexibility between peripherals and DMA. Through self-configuration, DMA functionality can be provided for almost all peripherals. The MCU integrates a full-featured calendar RTC, programmable voltage detector (PVD), and a programmable brown-out reset (BOR), which can monitor battery power and voltage abnormalities then wake up the MCU. It also supports an LCD segment controller, which provides 8*28 segments and 4*32 segments in two formats. It also integrates a high-precision temperature sensor with an accuracy of ±0.5°C, which is especially suitable for developing portable personal health monitoring equipment such as oximeters, blood pressure meters, and environmental monitoring sensors.

Mr. Eric Jin, Product Marketing Director of GigaDevice, said, “The new GD32L233 series of mainstream microcontrollers provide more development options for energy efficiency-sensitive industry customers. The booming market demand is the driving force behind the continuous development of the GD32 MCU family. We continue to enhance performance, power consumption, and cost advantages and extend our low-power design concepts to power management, signal chain, and multi-protocol wireless connectivity chips. Smart application devices that have demanding power consumption requirements will benefit from the GD32L series of MCUs.”

The development boards based on GD32L233 have been launched simultaneously, including the GD32L233R-EVAL full-featured evaluation board, the GD32L233C-START, and GD32L233K-START entry-level learning boards. These correspond to different package types to support simpler application development and debugging. For further information, please contact your local GigaDevice Sales Office or authorized representatives. Deliverables, including documentation and software support tools, can be found at www.GD32MCU.com.About GD32 MCU

About GD32 MCU

GigaDevice GD32 MCU is a leader in China’s high-performance 32-bit general-purpose microcontroller market being the first to release China’s Arm® Cortex®-M3, Cortex®-M4, Cortex®-M23, and Cortex®-M33 core MCU product series. GigaDevice is also the first company to launch the RISC-V core general-purpose 32-bit MCU product series in the world. GD32 series MCUs have become the mainstream choice for China’s 32-bit general-purpose MCU market. With more than 800 million units shipped, more than 20,000 customers, and 29 series with more than 400 part numbers, GigaDevice can provide solutions for a breadth of applications and rank among the forefront of the market.

Availability and Pricing

GigaDevice GD32 MCU is also the first Chinese Arm® University Program (AUP) partner, an Arm® Mbed™ IoT platform eco-partner, and the title sponsor of the “GigaDevice Cup” in China Graduate Electronics Design Competition. GD32 aims to build a blueprint for planning and developing an “MCU Department Store,” to provide users with the most comprehensive system-level product and solution support, build an intelligent development platform and a complete product application ecosystem please visit http://www.gd32mcu.com/en.

More availability and pricing info please visit email: sales.europe@macnica.com.

About GigaDevice

GigaDevice, founded in Silicon Valley in 2005, is a leading fabless supplier. The company has successfully completed the IPO at Shanghai Stock Exchange in 2016. Committed to building a complete ecosystem with three major product lines—Flash memory, MCU and sensor—as the core driving force, GigaDevice can provide solutions for a broad set of applications in the fields of industrial, automotive, computing, consumer electronics, IoT, mobile, networking and communications.

GigaDevice is among the companies that pioneered SPI NOR Flash memory and is currently ranked number three in the world in this market segment with accumulated shipments nearly 16 billion since its inception. GigaDevice GD32 MCU, a key player in high performance 32-bit general purpose microcontroller market, has more than 2,000 customers, with more than 600 million units shipped, and over 370 part numbers from 28 family series in a variety of applications. In addition, GigaDevice delivers touchscreen controller sensor and fingerprint sensor to world-renowned mobile makers around the globe, with its touchscreen controller sensor ranked No. 4, and the optical fingerprint sensor ranked No. 3 in the world.

Since 2007, GigaDevice has filed thousands of patent applications with 700+ patents granted. More than 70% of its employees are in research and development, which continues to differentiate our products from competitions in the market. The GigaDevice management team embodies leading semiconductor industry experience from renowned companies in California’s Silicon Valley, Korea, and Taiwan. GigaDevice is ISO9001 and ISO14001 certified by DQS.

GigaDevice operates a manufacturing model based on strong relationships with: foundry, assembly, and test subcontractor partners. GigaDevice believes this well-defined fabless manufacturing model provides us with a competitive advantage over the conventional fabrication-based Integrated Device Manufacturers because the capital equipment expenditure to maintain advanced memory process technologies is beyond the market return of many IC memory market segments

For more information, go to https://www.gigadevice.com/.

Über die Macnica ATD Europe GmbH

Macnica’s European headquarter was originally established in the UK in 2006, and moved to Germany in July 2008, to increase efficacy of its service for European customers.

By it’s acquisition of the Munich based company Scantec Mikroelektronik in 2014 Macnica Europe formed a powerful semiconductor distribution with headquarters in Munich and Ingolstadt and numerous sales offices in Europe offering an attractive and competitive portfolio of highly sophisticated devices.

Macnica provides end to end support from design-in to production through its global service network to its customers, regardless of the final destination of the product shipment to customers‘ manufacturing locations.

About Macnica, Inc.

Macnica was established in 1972 as a semiconductor distribution company headquartered in Yokohama, Japan, and has over 84 sales offices worldwide in eastern Asia, Europe and the USA. Total number of employees is over 3,000 and its consolidated revenue for fiscal 2019 was approximately US$ 5 B.

Macnica is famous for having an excellent engineering team of more than 900 application support engineers, IC designers and software developers with strong focus on providing technical support for its customers including custom design services. Macnica is continuing to extend its presence globally by having successful partners in strategic areas in the electronics market.

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