NuMicro® MS51 Industrial Series Microcontrollers

Product Highlights > NuMicro® MS51 Industrial Series Microcontrollers

            NuMicro® MS51 Industrial Series Microcontrollers
                    Nuvoton’s MS51 microcontrollers with many high-performance features are suitable for industrial and consumer applications
    

Nuvoton’s NuMicro MS51 industrial series microcontrollers are based on a 1T 8051 core, running up to 24 MHz, with up to 32 Kbyte of Flash memory and up to 2 Kbyte of SRAM. This series supports one high precision 24 MHz allowing ±1% deviation and one 10 kHz internal RC oscillator operating at 2.4 V to 5.5 V and -40°C to +105°C.

The NuMicro MS51 is equipped with special features, including up to 15 channels of 500 kSPS 12-bit ADC, up to 12 channels of PWM with independent counters, and GPIO supports 20 mA driving capability. It also features ESD resistivity of 8 kV and EFT resistivity of 4.4 kV. The MS51 series combines all these high-performance features to make it suitable for high-reliability industrial and consumer applications. The NuMicro MS51 industrial series offers 10-pin to 33-pin packages for a broad range of applications.

Features

Operating characteristics
- Voltage range: 2.4 V to 5.5 V
- Operating speed: Up to 24 MHz
- Temperature range: - 40°C to +105°C
Core
- 1T 8051-based CMOS microcontroller running up to 24 MHz
- Instruction set fully compatible with MCS-51
- Four priority-level interrupt 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 V_DD 5.0 V, ±2% in all conditions
- 24 MHz high-speed internal oscillator trimmed to ±1% when V_DD 5.0 V, ±2% in all conditions
- 10 kHz low-speed internal oscillator
Power management
- Two low power modes: Idle and power-down
- Power-down current: <6 µA
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 a dedicated 10 kHz internal source
Communication interfaces
- One SPI port with primary and secondary modes, up to 12 Mbps when system clock running at 24 MHz
- One I²C bus with primary and secondary 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 support UART function
Analog
- One 12-bit, 500 kSPS SAR ADC (up to 15 channels input)
- ADC supports 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)

Applications

LED lighting
Home appliances
Industrial controls

Motor controls
Battery management systems (BMS)
Power supplies