ML51XB9AE

NuMicro^® ML51XB9AE 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 17 GPIO, Timers, Watchdog Timer, Window Watchdog Timer, UART, SPI, I²C, PWM Timer, 12-bit ADC, and available in QFN20.

Applications

• 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 24MHz
  • Built-in LDO for wide operating voltage ranges from 1.8 V to 5.5 V
  • 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
• Clocks
  • 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: 80uA/ MHz
  • Low power run mode (run with LIRC): lowest current 15uA
  • Idle mode: lowest current: 13uA
  • Power-down current: Lowest current <1 uA
  • Wake up from power down in 10us (run with HIRC)
• PWM
  • 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
• ADC
  • 6 ch 12-bit SAR ADC with 500kSPS
• Connectivity
  • Up to 1 SPI
  • Up to 2 I²C
  • Up to 2 UART
  • Up to 1 smart card interface
  • Up to 17 GPIO
• Package
  • QFN20

Technical Documents

• For more details, please visit Nuvoton Official Website: GO