Smart Home Audio(325)


NuMicro® ML51EB9AE is embedded with based on 1T 8051-based CMOS microcontroller, runs up to 24 MHz at a wide voltage range from 1.8V to 5.5V, and features 16 KB flash, 1 KB SRAM, and 4 KB loader ROM for the ISP. It is also equipped with plenty of peripheral devices, such as up to 24 GPIO, Timers, Watchdog Timer, Window Watchdog Timer, UART, SPI, I2C, PWM Timer, 12-bit ADC, and available in TSSOP28.

Target Application:

  • Wearable, battery-powered devices
  • Home appliances
  • IoT device
  • Auto-alarm system
  • Battery management system
  • Remote controller

Key Features:

1T 8051-based CMOS microcontroller running up to 24 MHz
  - Built-in LDO for wide operating voltage ranges from 1.8V to 5.5V
  - Temperature range: -40°C to +105°C
Flash Memory
  - 16 KB Flash for program code
  4 KB flash for ISP
SRAM Memory
  - 1 KB embedded SRAM
  - 4 to 24 MHz HXT crystal oscillator or external input clock
  - 32.768 kHz LXT crystal oscillator or external input clock for low-power system operation
  - Internal 24 MHz HIRC oscillator variation < ±2% within all temperature and full voltage range
  - Supports software trim function to ±0.25% deviation within -40℃~105℃
  - Internal 38.4kHz LIRC with variation < ±50%. Add software trim mechanism for UART 2% accuracy
Power management
  - Normal run mode: 80 μA/ MHz
  - Low power run mode ( run with LIRC ): lowest current 15 μA
  - Idle mode: lowest current: 13 μA
  - Power-down current: Lowest current <1 μA
  - Wake up from power down in 10 us ( run with HIRC )
  - Up to 6*16-bit channel PWM outputs or 3 complementary paired PWM outputs
  - Support Dead-Zone generator for complementary paired PWM
  - Support Capture interrup
  - 8 ch 12-bit SAR ADC with 500kSPS
  - Up to 1 SPI
  - Up to 2 I²C
  - Up to 2 UART
  - Up to 1 smart card interface
  - Up to 24 GPIO
  - TSSOP28 


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