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Nuvoton microprocessors 8bit 8051 MCUs Industrial 8051 Series

NuMicro® MS51 industrial series microcontrollers is based on 1T 8051 core, running up to 24 MHz, with up to 32 Kbyte of Flash memory and up to 2 Kbyte of SRAM. It supports one high precision 24 MHz allowing ± 1 % deviation and one 10 kHz internal RC Oscillators, operating at 2.4 V ~ 5.5 V voltage and - 40 ℃ ~ 105 ℃.


NuMicro® MS51 is equipped with special features such as up to 15 channels of 500k SPS 12-bit ADC, up to 12 channels of PWM with independent counters and GPIO supports 20 mA driving capability, also with ESD resistivity 8 kV and EFT resistivity 4.4 kV. Combined all these above high performance features, MS51 series is suitable for high-reliability industrial and consumer applications.


MS51 series offers 10-33 pin packages for a broad range of applications.

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Products Overview:


As a leading supplier of 8051 microcontrollers (MCUs) , Nuvoton offers a variety of products with the best performance critical to the success of consumers and industrial products. The 8-bit MCU supports pin-compatible with traditional 12T 8051 , wide operating voltage (2.4V ~ 5.5V) , industrial temperature (-40℃ ~ 85℃) , 22.1184 internal oscillator (1% accuracy at 25℃, 5V) , Data Flash configurable, a rich set of I/O such as PWM, ADC, UART, SPI, I²C, comparator, ISP, ICP, and high noise immunity (8kV ESD, 4kV EFT) , and provides small compact package such as TSSOP20 and QFN20 . It is one of the best choice of 8051 MCUs.

Target Application:

*LED lighting

*Home appliances

*Industrial control

*Motor control

*Battery management system

*Power supplies


Key Features:

• Operating Characteristics
  - Voltage range: 2.4 V to 5.5 V
  - Operating speed: Up to 24 MHz
  - Temperature range: - 40 ℃ to + 105 ℃
  
• Core
  - 1T 8051-based CMOS microcontroller running up to 24MHz
  - Instruction set fully compatible with MCS-51
  - 4-priority-level interrupts capability
    
• Memories
  - Up to 32 Kbyte Flash APROM
  - Up to 2 Kbyte SRAM
  - Up to 4 Kbyte Flash for user program loader (LDROM) share with ARPOM
  - Configurable Data Flash, shared with APROM
  - ISP / ICP / IAP programming
    
• Clocks
  - 16 MHz high-speed internal oscillator trimmed to ± 1 % when VDD 5.0 V, ± 2 % in all conditions
  - 24 MHz high-speed internal oscillator trimmed to ± 1 % when VDD 5.0 V, ± 2 % in all conditions
  - 10 kHz low-speed internal oscillator
  
• Power management
  - Two low power modes: Idle and Power-down mode
  - Power-down current: < 6 uA
 		• Timers
  - Four 16-bit timers
  - Up to six pairs, twelve channels of pulse width modulator ( PWM ) output, with Fault Brake function
  - One dedicated Self Wake-up Timer ( WKT ) for self-timed wake-up for low-power modes
  - One programmable Watchdog Timer ( WDT ) clocked by dedicated 10 kHz internal source

• Communication interfaces
  - One SPI port with master and slave modes, up to 12 Mbps when system clock running at 24 MHz
  - One I²C bus with master and slave modes, up to 400 kbps data rate
  - Two full-duplex UART ports with frame error detection and automatic address recognition
  - Up to three ISO7816-3 interfaces supports UART function
    
• Analog
  - One 12-bit, 500 kSPS SAR ADC ( Up to 15 channels input )
  - ADC support continuous scan mode and data storage in SRAM
    
• Up to 30 general purpose I/O pins with interrupt capability
  - Output pins support 2-level slew rate control individually
  - Supports high sink / source current
  - Built-in programmable pull-up and pull-low resistors
    
• 96-bit Unique ID (UID)
    
• 128-bit Unique Customer ID (UCID)


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