South-East European Industrial Market 2/2018
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INDUSTRIAL MARKET 3

PAID ARTICLE

GigaDevice 32 bit ARM

®

Cortex

®

- microcontrollers

Arm (Advanced Reduced Instruction Set Machine) is the industry’s leading micropro-

cessor technology, offering the widest range of microprocessor cores to address the

performance, power and cost requirements for almost all application markets. With more

than 90 billion processors manufactured, the ARM technology is motor of the embedded

computers’ World helping solutions to be born and businesses to operate.

There are many licensed silicon vendors, software solution providers on this market,

but a cost effective far-eastern licensed player with its own cost optimized solution helps

to keep WorldWide prices on a reasonable lower level. GigaDevice, the well know man-

ufacturer of Flash memories also takes a piece of the cake of ARM

®

Cortex

®

-M3 technol-

ogy. Their GD32

®

family integrates features to simplify system design and provide cus-

tomers wide range of comprehensive and superior cost effective MCU portfolios with

proven technology and great innovation. In the first part of the series of articles we

review the microcontroller architecture, later we show some examples based on evalua-

tion board available for the device.

GD32

®

is a new 32-bit high performance, low power consumption universal microcon-

troller family powered by the ARM

®

Cortex

®

-M3 or Cortex-M4 RISC cores, which target-

ed at various MCU application areas. GD32

®

family integrates features to simplify sys-

tem design and provide customers wide range of comprehensive and superior cost

effective MCU portfolios with proven technology and great innovation. Building on Gi-

gaDevice advanced patented “gFlash” memory technology and mass production experi-

ences, it provides new form of MCUs which offers customer high functionality and quali-

ty. GD32

®

family includes entry line, performance line and connectivity line currently.

The GigaDevice GD32™ family is well-suited for a wide range of applications, including

industrial control, user interfaces, motor drives, power monitors and alarm systems,

consumer and handheld equipment, solar photovoltaic controls, touch panels, PC pe-

ripherals and more.

Different versions microcontrollers of GD32

®

family from entry to ad-

vanced performance level

GD32

®

ARM Cortex-M3 Microcontrollers

These microcontrollers are powered by the ARM

®

Cortex

®

-M3 RISC core, incorporat-

ing the 32-bit ARM

®

Cortex

®

-M3 processor core operating at 108 MHz max frequency

with Flash accesses zero wait state to obtain maximum efficiency. The GD32F10x se-

ries of devices provide up to 3072 KB of on-chip flash memory. From the flash memory

the read accesses can be performed 32 bits per cycle without any wait state. Thanks to

the long experience of making flash chips, Gigadevice can benefit from this on its ARM

microcontroller technology as well. Besides above mentioned features of flash handling,

all of byte, half-word (16 bits) and word (32 bits) read accesses are supported. The flash

memory can be programmed half-word (16 bits) or word (32 bits) at a time. Each page of

the flash memory can be erased individually. The whole flash memory space - except

information blocks - can be erased at a time as well. The GD32F10x series of devices

contain up to 96 KB of on-chip SRAM. An extensive range of enhanced I/Os and periph-

erals connected to two APB buses. The device offers up to three 12-bit 1MSPS (1M

samples per second) analog/digital converters, up to ten general-purpose 16-bit timers

plus one PWM advanced timer, as well as standard and advanced communication inter-

faces: up to three SPIs, two I

2

Cs, five USARTs, an USB 2.0 OTG FS and two CANs. The

device operates from a 2.6 to 3.6 V power supply and available in –40 to +85 °C temper-

ature range

GD32

®

series of MCUs also bring much advantage to the end-user. The max speed of

GD32

®

MCU has increased 50% than the market competing products. Code execution

efficiency of the same frequency has enhanced 30%-40%. Current consumption of the

same frequency has reduced 20%-30%. These performances provide maximum capa-

bility and bandwidth options for various market requirements.

The above features make the GD32

®

MCUs suitable for a wide range of applications. It

is ideal for use in industrial control, user interface, motor drives, power monitor and

Dipl.Ing. Zoltan Kiss Sales manager East Europe /

Endrich Bauelemente Vertriebs GmbH

alarm systems, consumer and handheld equipment, solar photovoltaic control, touch

panel, PC peripherals and so on.

Features

· Flexible memory configurations, with up to 3024 KB on-chip Flash memory and up to

96 KB SRAM memory

· Extensive range of enhanced I/Os and peripherals connected to two APB buses

· Wide range of standard and advanced communication interfaces,

including SPI, I

2

C, USART, USB 2.0 OTG FS and CAN

· Up to three 12-bit 1Msps ADCs, up to ten general-purpose 16-bit timers, and one

PWM advanced timer

· Three power saving modes for maximum optimization between wakeup latency and

energy consumption for low-power applications

GD32 ARM Cortex-M4 Microcontrollers

The GD32F4 device belongs to the performance line of GD32 MCU Family. It is a new

32-bit general-purpose microcontroller based on the ARM

®

Cortex

®

-M4 RISC core with

best cost-performance ratio in terms of enhanced processing capacity, reduced power

consumption and peripheral set.

The Cortex

®

-M4 core features a Floating Point Unit (FPU) that accelerates single pre-

cision floating point math operations and supports all ARM

®

single precision instructions

and data types. It implements a full set of DSP instructions to address digital signal

control markets that demand an efficient, easy-to-use blend of control and signal pro-

cessing capabilities. It also provides a Memory Protection Unit (MPU) and powerful

trace technology for enhanced application security and advanced debug support.

GD32F4 devices suitable for a wide range of interconnection and advanced applica-

tions, especially in areas such as industrial control, consumer and handheld equipment,

embedded modules, human machine interface, security and alarm systems, graphic

display, automotive navigation, drone, IoT and so on.

Features

· Flexible memory configurations, with up to 3024 KB on-chip Flash memory and up to

96 KB SRAM memory

· Extensive range of enhanced I/Os and peripherals connected to two APB buses

· Wide range of standard and advanced communication interfaces,

including SPI, I

2

C, USART, USB 2.0 OTG FS and CAN

· Up to three 12-bit 1Msps ADCs, up to ten general-purpose 16-bit timers, and one

PWM advanced timer

· Three power saving modes for maximum optimization between wakeup latency and

energy consumption for low-power applications

Development tools

GD32® family integrates features to simplify system de-

sign and provide customers wide range of superior cost

effective MCU portfolios with proven technology and

great innovation. Keil development tools - available at

http://www2.keil.com/gigadevice

- provide comprehen-

sive support for GigaDevice microcontroller devices in a

complete development environment for creating, debug-

ging and verifying embedded applications.

Zoltan Kiss

Sales manager - Eastern Europe

e-mail:

z.kiss@endrich.com