The NuMicro^® M3334KIGAE is a 32-bit microcontroller powered by the Arm^® Cortex^®-M33 core. It integrates TrustZone^® technology, a DSP instruction set, and a Floating-Point Unit (FPU). Designed for high-performance applications, it targets industrial control, smart factories, smart buildings, renewable energy, and consumer electronics. Operating at up to 180 MHz, the M3334KIGAE supports 1.7V to 3.6V operating voltage and -40°C to +105°C wide operating temperature. It offers LQFP128 package and superior reliability, featuring high immunity with ESD HBM 4 kV and EFT 4.4 kV ratings.

Key features:

Operating Characteristics

• Voltage range: 1.7V to 3.6V
• Temperature range: -40°C to +105°C
• ESD HBM 4 kV
• EFT 4.4 kV
  
  

Core

• ARM^® Cortex^®-M33 core with TrustZone^®, frequency up to 180 MHz
• DSP instruction set
• Single-precision floating point unit (FPU)
• Memory Protection Unit (MPU) with eight memory regions
  
  

Memories

• Up to 512 KB Flash memory, single bank
• Flash memory with error correction code (ECC)
• 8 KB user-defined loader (LDROM)
• Up to 320 KB SRAM including hardware parity check 64 KB
  
  

Clocks

• 4 to 32 MHz crystal oscillator (HXT)
• 32.768 kHz crystal oscillator (LXT) for RTC
• Internal 48 MHz RC oscillator with ± 2% deviation at -40°C to +105°C
• Internal 38.4 kHz RC oscillator with +/- 10% deviation
• Internal PLL up to 180 MHz
  
  

Power management

• Normal run: 91 μA/MHz at 25°C/3.3V (all peripherals disabled)
• Normal power-down 2 (NPD2): 190 μA at 25°C/3.3V (all peripherals disabled)
• Standby power-down (SPD) w/o SRAM retention: 4.93 μA at 25°C/3.3V (all peripherals disabled)
• Deep power-down (DPD): 0.62 μA at 25°C/3.3V (all peripherals disabled)
  
  

Timers & Control Peripherals

• Four 32-bit timers
• Up to 12 enhanced PWM (EPWM) channels
• Up to 36 basic PWM (BPWM) channels
• One 24-bit SysTick timer
• One Watchdog Timer (WDT)
• One Window Watchdog Timer (WWDT)
• One Enhanced Quadrature Encoder Interface (EQEI)
• One Enhanced Input Capture Unit (ECAP)
  
  

Peripheral Direct Memory Access (PDMA)

• 16-channel Peripheral Direct Memory Access (PDMA)
• Channel can be operated by software trigger, UART, SPI, EPWM, TIMER, ADC, ACMP and I²C
  
  

Analog Peripherals

• One 12-bit SAR ADC with up to 16 channels and 4.2 Msps sampling rate
• Two analog comparators
• Built-in internal reference voltage including 1.6/2.0/2.5/3.0V
  
  

Communication Interfaces

• One I3C interface
• One Enhanced LED Light Strip Interface (ELLSI)
• Up to 10 LED Light Strip Interfaces (LLSI)
• Up to two Universal Serial Control Interfaces (USCI), configurable as UART, SPI, or I²C
• Up to five UART interfaces with IrDA support (UART0 supports LIN mode)
• Up to three I²C interfaces with SMBus/PMBus support (up to 3.4 Mbps)
• Up to three SPI/I²S interfaces (SPI up to 90 MHz in Master mode)
• One Quad-SPI interface (up to 45 MHz in Master mode)
• One I²S interface (up to 12 Mbps)
• Up to two CAN FD interfaces
• One Secure Digital Host Controller (SDH) supporting up to 45 Mbps
  
  

Advanced Connectivity

USB 2.0 high speed device/host/OTG controller with built-in transceiver

External Memory Interface

• External bus interface (EBI), i80 mode
  
  

Security

• Secure boot (root of trust, ROT)
• Flash memory supporting up to four regions of Execute-Only-Memory (XOM)
  
  

Up to 102 I/O pins with interrupt capability

Development Platform Support

• Arm Keil RVMDK, IAR EWARM IDE, and VS Code
• VS Code with support for Arm Compiler and GNU C Compiler
• ICP (In Circuit Programmer) support for updating internal code via Nu-Link debugger
• ISP (In System Programmer) support for updating code through UART, SPI, I²C, RS-485 peripheral interfaces
• NuTool-PinView for real time monitoring the status of all I/O pins
• NuTool-PinConfigure   for pin assignment, initial code generation and OrCAD/Protel part generation
  
  

96-bit Unique ID (UID)

128-bit Unique Customer ID (UCID)

Package (RoHS)

• LQFP 128, 14x14 mm

Development Environment:

Evaluation Board: