In China, 8/16 low-end microcontrollers have a large-scale market, such as white small appliance control panels, children's remote control toys, etc., in 2009, ARM launched a The main 32-bit ARM Cortex-M0 processor, which is low, is intended to replace the traditional 8/16-bit microcontroller. After a few years, the world's major manufacturers based on the Cortex-M0 processor microcontroller low power solution The number of programs, today's love board network to you recommend a Cortex-M0 low-power microcontroller solution from Taiwan - Nutiny-SDK-NANO130 development board.
Nutiny-SDK-NANO130 development board is based on New Tang Numicro NANO130 series microcontroller, the main LCD, and USB function (integrated with LCD 4x40 or 6x38 (COM / segment), USB 2.0 full-speed device feature), suitable for industrial control and need rich The application field of the communication interface, the development board that is getting the hand is a small yellow plate, as shown in the figure below.
The Nutiny-SDK-NANO130 development board includes a Nutiny-EVB-NANO130 motherboard and a NU-Link-ME debugger, and the board is equipped with an LCD screen (COM / Segment), and the LCD screen can be removed.
After removing the screen, we can see the main controller of the board, the model is NANO130KE3BN, which is encapsulated: LQFP-128 (14x14mm)
The circuit of the Nutiny-SDK-NANO130 development board is very simple, the onboard resource is also at a glance, and the development board has two rows of expansion interfaces, which leads all the IO pins of the microcontroller, which is convenient for Engineers DIY, but some regrets are on the development board. There is no signal to mark the two rows of IO pins directly, and the engineer needs to view the corresponding document during familiarity.
Nutiny-SDK-NANO130 development board is equipped with the main controller nano130ke3bn, which is part of the NANO100 series, which is currently divided into 4 sub-series, including nano100, nano110, nano120, nano130, which belongs to the most basic series, without LCD and USB Function, and 110 supports the LCD does not support USB function. 120 Support USB does not support LCD functions, 130 belongs to the highest specifications of configuration products, which supports both LCDs and USB capabilities, and the microcontroller mounted in the development board, as shown below .
NANO130KE3BN microcontroller characteristics:
Armcortex®-M0 kernel run frequency up to 42MHz
Support low power power-down mode
Nested vector interrupt controller NVIC supports 32 interrupt input, and there are 4 priorities for each interrupt.
Support serial debugging (SWD) interface, 2 observation points / 4 breakpoints
Built-in 2.5V / 2.0V / 1.7V BOD is used in a wide working voltage range
Memory:
128K byte flash is used for storage program code
Data Flash address and size can be configured in the 128K byte system, fixed to 4K byte data in 32K bytes and 64K byte systems.
4K byte flash is used to store ISP boot code (LDROM)
Support for updating applications in System Programming (ISP)
16k byte built-in SRAM
Undervoltage detection:
Support for three-level detection voltage: 2.5V / 2.0V / 1.7V
Support undervoltage interruption and reset selection
The new Tang Numicro NANO130 series microcontroller has a good price / performance ratio, which works in a wide voltage range of 1.8V to 3.6V, up to 42MHz frequency. The internal integration of LCD 4x40 or 6x38 (COM / segment), USB 2.0 full-speed device function, RTC, 12-channel 12-bit SAR ADC, 2-channel 12-bit DAC, 2XUART, 2XSPI, 2XI2C, I2S, GPIOS, etc. The specific characteristics can be referred to in the table below.
In addition, Numi Nano130 also has ISP (in system programming), ICP (in circuit programming), and IAP (applicable programming) capabilities, allowing users to upgrade the program memory directly on the board without removing the chip.
Development board
The power-up of the NUTINY-SDK-NANO130 development board requires power by the NU-Link-Me debugger end, the MiniUSB of the main control board only supports USB functionality.
After the board is powered on, you can see the running factory built-in program, and a screen is timed.
New Tang Technology also provides engineers with a complete development data package, almost 2.2GB. (download link). The content inside includes an IDE tool, a direct code for the document, a sector of the chip, supports IAR and the Keil IDE tool. Here is an engineering project that loads an LCD_DEMO in the KEIL IDE tool.
Since the NUTINY-SDK-NANO130 development board has time, the built-in NU-Link firmware is relatively old, first updating the Nu-Link firmware when using.
Reinterproce the power-on / power-on a NU-Link-ME debugger during the update process.
Update, select the NU-Link downloader and the corresponding FLM configuration.
Download the compiled file.
Commissioning interface.
summary
The Nutiny-SDK-NANO130 development board is relatively simple and scalable, which is quite good for engineers who like DIY. Based on low-power ARM Cortex-M0 processor - Nano130Ke3Bn, you can support 42MHz frequency, integrated LCD 4x40 or 6x38 (COM / segment), USB 2.0 full speed device function, for engineers with this aspect very good. In addition, the onboard NU-Link debugger, with the officially provided many Chinese materials, software code, and very suitable for beginners or engineers who need USB / LCD feature applications.
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Original declaration: This article is originally created by the panel network, declined!
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