Nuvoton Launches New Cortex® M4F M451 Series MCU with 5V input and Pin Compatible with the M051 Series

Nuvoton NuTiny-SDK-M451

Nuvoton launches the new M451 series embedded with the ARM® Cortex®-M4F core. The M451 series provides the wide operating voltage (2.5V-5.5V) and 5V input support for I/O to significantly enhance system stability, industrial operating temperature (-40°C – 105°C), 22.1184 MHz internal RC oscillator (variation < ±2%) and 32.768 kHz external crystal oscillator (variation < ±0.25%) working at -40˚C- 105˚C to boost system immunity and adequately fulfill the high precision demand of communications. The M451 series is specifically suitable for high-performance and high-precision applications, such as industrial control, system automation, security surveillance, autotronics and digital power control. The specially designed VAI (Voltage Adjustment Interface) system supports voltage level adjustment for individual I/O (1.8V-5.5V) to save additional cost on adjusting the interface voltage difference of peripheral components. Also, the 5V tolerance of I/O input design can significantly enhance system integration capability and stability.

The M451 series includes a total of 33 ARM® Cortex®-M4F based products, including the Cortex®-M451 Base Series, M452 USB Series, M453 CAN Series, and M451M Series supporting the M051 Series MCUs. By planning a complete product line, Nuvoton hopes to fulfill the demand for the ARM® Cortex®-M4F core with products at all levels and realize its customer commitment: total support for long-term competitiveness enhancement, and to fulfill their current product development demand and future innovation imagination.

Nuvoton M4F M451 Series

The M451 series embedded with the ARM® Cortex®-M4F core supports DSC (digital signal controller) and FPU (float point unit) and features high performance computing capability running up to 72 MHz, built-in 256/128/72/40 Kbytes Flash ROM, 32/16 Kbytes SRAM complying with IEC60730, memory parity check, cyclic redundancy check (CRC), built-in boot ROM and AP Flash ROM. In addition, the M451 series has independent 4 Kbytes in-system programming Flash ROM for developing more flexible online upgrade code that support external UART, SPI, I2C, CAN and USB. It also supports EBI to provide greater flexibility for external memory. The entire M451 series is provided with outstanding specifications: four 32-bit timers, dual watchdogs and NVIC, and integrates plenty of peripherals such as PDMA and RTCs, five UARTs that support 16-byte FIFO, three sets of SPI controllers that support quad mode, two I²C devices that support SMBus and PMBus, two sets of I2S, two LINs, CAN bus, ISO-7816-3 interface, full-speed USB OTG, full-speed USB devices, 16-channel 12-bit ADC with 1 MSPS conversion rate, built-in reference voltage (Vref) for circuit generation, 12-bit DAC, two analog comparators and temperature detectors. All these features are provided to meet the developer demand for high-level product integration.

The M451 series also provides high-resolution 144 MHz PWM, high-speed electromechanical control timer and resolution<7ns. In conjunction with a driver ADC, it delivers hardware brake protection and pulse capture functions to save MCU computing burden and effectively carry out advanced computing required by motor control, making it exceptionally outstanding in industrial automation and motor control performance. As to chipset security, to protect the IPR of customers, Nuvoton has designed a stronghold for the M451 series, such as the flash safety lock, modification detection pin, 96-bit UID (Unique Identification) and 128-bit UCID (Unique Customer Identification), to provide multiple protection for program development.

The NuTiny-SDK-M451, a development kit, supports the M451 series to work with Keil™ RVMDK, IAR EWARM evaluation development environment, including project manager, editor, compiler tools and debugger. In addition, Nuvoton also provides the ISP (In System Programming), ICP (In Circuit Programming) and IAP (In Application Programming) function, by either on-line or off-line programming system to update flash memory program.

The M451 series is now in volume production, offering the LQFP48 (7mm * 7mm), LQFP64 (10mm x 10mm) and LQFP100 (14mm * 14mm) package types for various applications.

 

To receive more information please contact an Ineltek office within your area.

Or contact us at info@ineltek.com

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