* Powerful 200 MHz Arm Core, Complete On-Chip Solution, and Application-Specific Features
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While the M463 and M467 share many features, including an Arm Cortex-M4F, both chips have unique special features that make them particularly suitable for certain purposes. The M463 emphasizes CAN FD (Controller Area Network Flexible Data-Rate) applications for sensor and control data, while the M467 provides greater on-chip support for network communication and strong hardware cryptography requirements.
NuMicro M463: A Complete CAN Solution in a Chip
The NuMicro® M463 CAN FD/USB HS series of 32-bit microcontrollers is based around the Arm Cortex-M4F core, with a DSP instruction set and single-precision floating-point unit (FPU). It offers up to 256 KB of Flash memory and up to 128 KB of SRAM, including hardware parity check.
Support for multiple digital and analog peripherals is on-chip, including 2 CAN FD buses to cut BOM costs, USB High-Speed OTG, up to 24 channels of 16-bit PWM, UART, SPI/I2S, Quad-SPI, I²C, analog comparators, and up to 16 channels of 12-bit
The M463 core runs at up to 200 MHz, with a versatile operating voltage from 1.7 V to 3.6 V and a wide operating temperature range from -40 °C to 125 °C. Active power consumption is 135 uA/MHz at 25°C/3.3V (with peripherals off). Multiple low-power modes and power-saving capabilities, including wake on various external inputs, are built-in.
NuMicro M467: Everything Needed for Security and Network Connectivity
The NuMicro® M467 Ethernet/Crypto series is a 32-bit microcontroller based on the Arm Cortex-M4F core, with a DSP instruction set, single-precision floating-point unit (FPU) and Ethernet 10/100 MAC support. It provides up to 1024 KB of flash memory with a dual bank structure and supports Firmware Over-The-Air (FOTA) updating and up to 512 KB SRAM with hardware parity check. This chip provides rich analog peripherals, including 4 analog comparators, 3 12-bit SAR ADCs (up to 28 channels), and 2 channels of 12-bit DAC.
The M467 Ethernet/Crypto series supports plenty of peripherals, including Ethernet 10/100 MAC, hardware crypto engine, hardware key store, true random number generator (TRNG), programmable audio PLL, 4 CAN FD buses, USB HS OTG, USB FS OTG, up to 24 channels of 16-bit PWM, 10 UARTs, 4 SPI/I2S interfaces, 2 Quad-SPIs, 5 I²C buses, and 4 Quadrature Encoder Interfaces (QEI).
The M467 series operates as fast as 200 MHz, with a wide operating voltage from 1.7 V to 3.6 V and an operating temperature range from -40 °C to 105 °C. In operation, the chip consumes only 175 uA/MHz at 25°C/3.3V, with peripherals off. Numerous low power modes and power-saving features are built-in, including wake on various external inputs, including
Powerful Security: Protecting Code and Data and Users
Essential integrated security features included in both microcontrollers include Execute-Only-Memory (XOM) capability to protect confidential code from being copied; hardware secure boot; hardware key store; hardware AES-256 cryptography acceleration; plus a Pseudo Random Number Generator (PRNG) and a True Random Number Generator (TRNG). The M467 series adds a much wider range of hardware cryptography acceleration: as well as AES-256, it provides ECC-571, SHA-512, HMAC-512, RSA-4096, and SM2 acceleration.
Flexible Packaging Possibilities to Suit Any Application
These
Strong Evaluation, Design, and Development Tools for Fast Product Turn Around
These products support real-time operating systems (RTOS) such as Mbed OS, Amazon FreeRTOS, and Zephyr. Supported GUI libraries include emWin and LVGL.
Sample code includes TinyML applications, such as keyword spotting, license plate recognition, image classification, visual wake words (people sensing), and gesture sensing. Sample code for an e-bike dashboard HMI/GUI on emWin Appwizard and for uploading data to the internet/cloud via TLS is also available.
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M463 Series
M467 Series
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