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ML51OB9AE

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NuMicro® ML51OB9AE 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 16 GPIO, Timers, Watchdog Timer, Window Watchdog Timer, UART, SPI, I2C, PWM Timer, 12-bit ADC, and available in SOP20.

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 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 16 GPIO
     
Package
  - SOP20
   


Data Sheet

  • Product Brief

  • File name Version Update Download
  • ML51 series product brief 1.0  2019/02/18
  • Data Sheet

  • File name Version Update Download
  • DS_ML51_Series_EN_Rev1.01 1.01  2019/09/23
  • Software

  • File name Version Update Download
  • NuMicro_ICP_Programming_Tool_V3.01.6951 3.01.6951  2019/10/03
  • ML51_BSP_IAR_C51_V1.00 V1.00  2019/04/01
  • ML51_BSP_Keil_C51_V1.00 1.00  2019/01/02
  • Nu-Link_IAR_Driver_V3.01.6951 3.01.6951  2019/10/03
  • Nu-Link_Keil_Driver_V3.01.6951 3.01.6951  2019/10/03
  • NuMicro_ISP_Programming_Tool_V2.06 2.06  2019/03/14
  • Technical Reference Manual

  • File name Version Update Download
  • TRM_ML51Series_EN_Rev1.01 1.01  2019/04/08
  • Development Tool

  • File name Version Update Download
  • NuMaker-ML51PC_V1.1 V1.1  2019/03/04
  • NuTiny-ML51EB_V10 V1.0  2019/03/04
  • NuTiny-SDK-ML51PCV11 V1.1  2019/01/22
  • Online Training

  •   Name Published date Online certificate
  • NuMicro® Low Power ML51 Series Microcontroller 2019/07/11
  • User Manual

  • File name Version Update Download
  • UM_NuTiny_SDK_ML51PC_EN_Rev1.00 V1.00  2019/01/22
  • UM_NuMaker-ML51PC_EN_Rev1.01 V1.01  2019/07/08
  • UM_NuTiny-ML51EB_EN_Rev1.0 V1.0  2019/03/04

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Part No. Check Disty Flash SRAM Data Flash ISP ROM I/O Timer UART SPI I2C PWM Comparator ADC ISP /ICP /IAP Package Status INT Special Function
ML51OB9AE Check Disty None 16K 1K Configurable 4K 16 4*16-bit 2 1 2 6*16-bit   6 ISP,ICP,IAP SOP20 Mass Production 2 1T 8051, 24 MHz internal RC, KBI, on-chip debugger

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