Smart Home Audio(325)



NuMicro® MG51FC9AE is embedded with based on 1T 8051-based CMOS microcontroller, It supports 16/24 MHz core speed and features up to 32K bytes flash, 0 bytes SRAM, and 1 Kbyte of auxiliary RAM (XRAM), 4 Kbytes of Flash loader memory (LDROM), 2.4V to 5.5V operating voltage, and -40°C to105°C operating temperature.

MG51 series is equipped with rich features 4 sets of 16-bit Timers, 8 channels of 500k SPS 12-bit ADC, 6 channels of PWM, 2 sets of UARTs, 1 set of SPI, 1 set of I2C MG51 series is suitable for high-reliability industrial and consumer applications. package is available in TSSOP20.

Target Application:

  • Home appliances
  • LED lighting controls
  • Motor controls
  • Industrial automation


Operating Characteristics
  - Operating Voltage: 2.4 V to 5.5 V
  - Operating Speed: Up to 24 MHz
  - Operating Temperature: -40°C to +105°C
  - 1T 8051-based CMOS microcontroller running up to 24 MHz
  - Instruction set fully compatible with MCS-51
  - 4-priority-level interrupts capability
  - 32 Kbytes Flash
  - Configurable 4 Kbytes of LDROM, which provides flexibility to user developed Boot Code.
  - 0 Bytes SRAM
  - 256 Bytes on-chip RAM.
  - Flash Memory accumulated with pages of 128 Bytes each.
  - Built-in In-Application-Programmable (IAP).
  - 16 MHz high-speed internal oscillator with selectable 24 MHz core speed, trimmed to ±1% when VDD 3.3V, ±3% in all condition
  - 10 kHz low-speed internal oscillator. calibrating to ±10% precision
  - Four 16-bit timers
  - Six 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
Power Management
  - Two low power modes: Idle and Power-down mode
  - Power-down current: 8 μA
  - One 12-bit, 500 k SPS SAR ADC (8 channels input)
Communication Interface
  - 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
Development Tools
  - Nuvoton Nu-Link with KEILTM and IAR development environment.
  - Nuvoton Nu-Link In-Circuit-Programmer.
  - Nuvoton In-System-Programming (ISP).
96-bit Unique ID (UID)
128-bit Unique Customer ID (UCID)
Evaluation Board
  - NuMaker-MG51FC
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