Smart Home Audio(325)


MUG51TB9AE is a Flash embedded 1T 8051-based low-power microcontroller. It runs up to 7.3728 MHz with 16 Kbytes embedded Flash memory, 1 Kbytes embedded SRAM, 4 Kbytes Flash loader memory (LDROM), 1.8V ~ 5.5V operating voltage, and -40°C ~105°C operating temperature. MUG51TB9AE supports enhanced low current consumption at 200 μA while CPU power-on before Flash memory is initialized. Its low-power feature makes it suitable for battery-free device which harvests power from the magnetic field of coil such as stylus pen powered by EMR (Electro-magnetic Resonance) technology and RFID card.

MUG51TB9AE features low current consumption at 200 μA while CPU power-on before Flash memory is initialized. It is suitable for battery-free devices such as stylus pen powered by EMR (Electro-magnetic Resonance) technology and RFID card. The current consumption is less than 1.3 mA in normal run mode at 7.3728 MHz, and less than 1 μA in Power-down mode.

MUG51TB9AE provides rich peripherals including 24 general purpose I/Os with internal inverter, four 16-bit Timers/Counters, 2 sets of UARTs with frame error detection and automatic address recognition, 1 set of ISO7816 Smartcard interface, 1 set of SPI, 2 sets of I²C, 6 enhanced PWM output channels with dead zone control, 2 sets of analog comparators, eight-channel shared pin interrupt for all I/O ports, low voltage reset (LVR) and brown-out detector (BOD) to enhance product performance, reduce external components and form factor simultaneously.

MUG51TB9AE includes the QFN33 (4mm x 4mm) package.

Target application:

  • Stylus pen
  • RFID card


Operating Characteristics
  - Voltage range: 1.8V to 5.5V
  - Temperature range: -40°C to 105°C
  - EFT 4.4 KV
  - ESD HBM 7 KV
  - 1T 8051-based core running up to 7.3728 MHz
  - 16 KB Flash
  - 1 KB SRAM
  - Up to 4 KB Flash for user program loader (LDROM)
  - ISP/ICP/IAP programming
  - 128 Bytes SPROM
  - Internal 7.3728 MHz MIRC oscillator with variation ±10 % within all temperature range
  - Internal 38.4 kHz LIRC for low-power operating mode
Power Management
  - Integrated with Power-on Reset, Brown-out Reset and Low voltage Reset
  - Normal run: 1.08 mA at 7.3728 MHz
  - Power-down: 1 μA
  - Power-on before Flash memory is initialized:200 μA
  - Supports wake up from Power-down mode by: ACMP, GPIO, WDT, TIMER, UART, I²C, SPI, PDMA, PWM
  - Four 16-bit timers
  - 16-bit PWM (Up to 6 channels)
  - One Independent watchdog
  - One Wake-up timer
  - Up to 2 channels
  - Two rail-to-rail comparators (ACMP)
Communication Interface
  - 2 sets of UART for simple TX/RX operation
  - 2 sets of 400 kHz I2C interfaces
  - 1 set of SPI interface
  - 1 set of ISO 7816-3 interface supporting full-duplex UART mode
Up to 24 I/O with interrupt capability
  - Schmitt trigger input
  - Four I/O modes
  - Supports Schmitt type (TTL input Not supported)
Serial Wire Debug (SWD)
  - Nuvoton Nu-Link debugger support
Development Platform Support
  - Nuvoton Nu-Link with Keil and IAR development environment.
  - ICP (In Circuit Programmer) support for updating internal code via Nu-Link debugger
  - ISP (In System Programmer) support for updating internal code through UART, SPI, I2C, RS-485 peripheral interface
  - Pin Viewer for real time monitoring the status of all I/O pins
  - PinConfigure tool for pin assignment, initial code generation and OrCAD/Protel part generation
  - QFN33 (4 mm x 4 mm)
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