Smart Home Audio(325)



The NuMicro® NUC131SD2AEU (NUC131U) is a 32-bit ARM® Cortex®-M0 based microcontroller running up to 50 MHz with built-in Controller Area Network(CAN) 2.0 B interface, qualified by AEC-Q100 grade 2, intended for automotive applications which needs reliable and robust CAN communication. 

NUC131SD2AEU features 68 KB Flash, 8 KB SRAM, and 4 KB ISP ROM, operating voltage from 2.5 to 5.5V and temperature range from -40℃ to 105℃. In addition to the 1 set CAN and 3 set LIN interface for CAN-box application in compact package, it is equipped with plenty of peripheral devices, such as 6 set of UARTs, 2 set of I²C, 1 set SPI to communicate to 4G, GPS, MEMS module for TPMS & GPS tracker application, 24 channels of 100MHz high resolution PWMs with brake function and complimentary output to drive both stepping motor or HVAC compresser; 800 kSPS 12-bit ADC to sample data for Radar application.

The NuMicro® NUC131SD2AEU is suitable for a wide range of applications such as:

  • Rader
  • TPMS
  • GPS tracker

Key Features:

  - Arm® Cortex®-M0 processor running up to 50 MHz
  - Single-cycle 32-bit hardware multiplier
  - 68 KB Flash for program code
  - Up to 8 KB SRAM
  - Supports In-System-Program (ISP) and In-Application-Program (IAP) application code update
  - Built-in 22.1184 MHz high speed oscillator for system operation
  - Built-in 10 kHz low speed oscillator for Watchdog Timer and Wake-up operation
  - Supports one PLL, output frequency up to 100 MHz.
  - Supports 4 sets of 32-bit timers
  - 24-ch 100 MHz 16-bit PWM (Up to 24 channels)
  - Supports up to two PWM modules, each module provides three 16-bit timers and 6 output channels
  - One 24-bit SysTick Timer
  - Watchdog Timer
  - Window Watchdog Timer
Analog to Digital Converter (ADC)
  - Up to 8 channels 12-bit 800 kSPS SAR ADC with Vref
Communication interfaces
  - Up to 6 sets of UART interfaces
  - 2 sets of 400 kHz I²C interface
  - 1 set of SPI controller
  - 3 set of LIN interface
  - 1 set of CAN device, supports CAN protocol version 2.0 part A and B
Up to 56 GPIOs
Operating Characteristics
  - Voltage range: 2.5 V to 5.5 V
  - Temperature range: - 40 ℃ to 105 ℃
96-bit Unique ID (UID)
  - Can be used as a security key
128-bit Unique Customer ID (UCID)
  - LQFP64 (7mm x 7mm)
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