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M487 Ethernet Series

The NuMicro® M487 Ethernet series is a high performance, low power microcontroller powered by the Arm® Cortex®-M4F core with DSP extension. It can run up to 192 MHz with 175 µA/ MHz dynamic low power consumption. Up to 2.5 MB Flash memory and the up to 160 KB embedded SRAM includes 32 KB cache to speed up external SPI Flash code execution. The factory pre-loaded bootloader delivers Secure Boot functionality to provide the code integrity check in embedded Flash memory. The built-in Secure Protection ROM provides a safe space for saving confidential program or data. One-Time Programmable ROM is also included for product life-cycle management.

The NuMicro® M487 Ethernet series supports operating voltage from 1.8V to 3.6V, and industrial operating temperature from - 40°C to 105°C. It is equipped with 10/100 Mbps Ethernet MAC with RMII and hardware cryptography engine. Package type includes LQFP64, LQFP128 and LQFP144.

Target Application:

Industrial IoT, Smart Home, IoT Gateway, Serial-to-Ethernet Converter, etc.

Key Features:

• Core
  - Up to 192 MHz Arm® Cortex ®-M4F delivering 1.25 DMIPS per MHz
  - DSP instruction set
  - Memory Protection Unit ( MPU )
   
• Memory
  - Up to 2.5 MB zero-wait state Flash memory
  - Up to 160 KB RAM, including 32 KB external SPI Flash cache
  - 4 KB Secure Protection ROM
  - 2 KB One-Time-Programmable ROM
   
• Cyclic Redundancy Calculation Unit
   
• 16-ch Peripheral DMA Controller
   
• External Bus Interface
  - LCD parallel interface, i80 mode
   
• Clocks
  - 4 to 24 MHz crystal oscillator
  - 32 kHz oscillator for RTC
  - Internal 12 MHz RC oscillator
  - Internal 10 kHz RC oscillator
  - Internal PLL up to 480 MHz
   
• RTC
  - 80 bytes of battery-powered backup registers
   
• Timer & PWM
  - Four 32-bit timers
  - Twelve Enhanced PWM with twelve 16-bit timers
  - Twelve Basic PWM with two 16-bit timers
  - One 24-bit count-down SysTick timer
  - One watchdog timer
  - One window watchdog timer
     
• Cryptography Accelerator
  - ECC ( P-521, B-571, K-571 )
  - AES-128, 192, 256
  - DES/ 3DES
  - SHA-160, 224, 256, 384, 512
  - HMAC
  - Random number generator
• Analog Peripheral
  - One 12-bit, up to 16-ch 5MSPS SAR ADC
  - Two 12-bit, 1 MSPS DAC
  - Two rail-to-rail comparators
  - Three operational amplifiers
   
• Communication Interface
  - Up to 6 low power UART interfaces ( 17 Mbps ) , including 2 LIN interfaces
  - Up to 3 ISO-7816 interfaces ( 3.4 MHz ) , supporting full duplex UART mode
  - Three I²C interfaces ( Up to 3.4 Mbps )
  - One SPI Flash interface ( Up to 96 MHz ) supports quad mode
  - One Quad- SPI interface ( Up to 96 MHz )
  - Up to 4 SPI / I²S interfaces ( SPI up to 96 MHz , I²S up to 192 kHz/16-bit )
  - One I²S interface ( 192 kHz/32-bit )
  - Two USCI interfaces, supporting configurable UART / SPI / I²C
  - Two CAN 2.0B interfaces
  - Two Secure Digital Host Controllers ( 50 MHz )
   
• Control Interface
  - Two quadrature encoder interfaces
  - Two 24-bit, 3-ch input capture timer/counter units
   
• Advanced Connectivity
  - USB 2.0 high speed device/ host/ OTG controller with on-chip PHY
  - USB 2.0 full speed device/ host/ OTG controller with on-chip PHY
  - 10/100 Mbps Ethernet MAC with RMII
     
• Operating Characteristic
  - Voltage range: 1.8V to 3.6V
  - Temperature range: - 40°C to +105°C

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