N32905U1DN

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N32905U1DN

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Specifications

Attribute Value
Manufacturer Nuvoton Tech
Package LQFP-128(14x14)
Number of I/O 80
Voltage - Supply 3V~3.6V
CPU Core ARM other series
ADC (Bit) 10bit
PWM (Bit) 16bit
CPU Maximum Speed 200MHz
DAC (Bit) 16bit

Overview

Description

The N32905U1DN is a microcontroller unit (MCU) from Nuvoton, based on the ARM Cortex-M0 core. It features:
- 72 MHz clock speed
- 128 KB Flash, 16 KB SRAM
- Rich peripherals: USB 2.0, UART, SPI, I²C, PWM, ADC
- Low-power modes for energy efficiency
- Industrial-grade operation (-40°C to +85°C)
Designed for embedded applications like IoT, consumer electronics, and industrial control, it balances performance and power efficiency. Its integrated USB support makes it suitable for connectivity-focused projects.
For detailed specs, refer to Nuvoton’s datasheet or product page.

Equivalent

The N32905U1DN is a Nuvoton microcontroller (ARM Cortex-M0). Direct equivalents are scarce, but similar alternatives include:
- Nuvoton NUC029LAN (same family, lower specs)
- STMicroelectronics STM32F030 (Cortex-M0, comparable features)
- NXP LPC800 series (e.g., LPC812, Cortex-M0+)
- Microchip SAMD20 (Cortex-M0+)
Check pin compatibility and peripheral requirements for exact replacement. For exact specs, consult Nuvoton's documentation or distributors.

Features

The N32905U1DN is a microcontroller unit (MCU) from Nuvoton, featuring:
- ARM Cortex-M0 core (50 MHz) for efficient processing.
- 256 KB Flash and 32 KB SRAM for program and data storage.
- Rich peripherals: USB 2.0 Full-Speed, UART, SPI, I²C, PWM, ADC (12-bit), and GPIOs.
- Low-power modes (e.g., standby) for energy efficiency.
- Operating voltage: 2.5V–5.5V, suitable for battery-powered applications.
- Industrial-grade (-40°C to +85°C) for robust performance.
- Compact packages (LQFP48, LQFP64) for space-constrained designs.
Ideal for embedded systems, IoT, and consumer electronics.

Pinout

The N32905U1DN is a microcontroller from Nuvoton with the following specifications:
- Pin Count: 128 pins (LQFP package)
- Core: ARM926EJ-S (up to 200 MHz)
- Key Functions:
- Memory: Supports external NAND Flash, NOR Flash, and SRAM
- Display: LCD controller (up to 800×480 resolution)
- Connectivity: USB 2.0 OTG, UART, SPI, I²C
- Multimedia: JPEG codec, audio ADC/DAC
- GPIOs: Multiple general-purpose I/O pins
- Timers/PWM: Built-in timers and PWM outputs
It is commonly used in embedded systems requiring display and multimedia capabilities.

Application

The N32905U1DN, a microcontroller by Nuvoton, is commonly used in:
- Industrial Control: Automation, PLCs, and motor control.
- Consumer Electronics: Smart home devices, IoT gadgets.
- Embedded Systems: Data logging, sensor interfaces.
- Human-Machine Interfaces (HMI): Touch panels and display controls.
- Audio Processing: Voice recognition and audio playback systems.
It features an ARM Cortex-M0 core, integrated peripherals (ADC, PWM, UART), and low power consumption, making it suitable for cost-sensitive, real-time applications.

Package

The N32905U1DN is a microcontroller from Nuvoton, packaged in a LQFP-48 (Low-Profile Quad Flat Package) with 48 pins. This surface-mount package is compact and suitable for space-constrained applications. It features a 0.5mm pin pitch and typical dimensions of 7x7mm. The LQFP-48 is widely used for embedded systems due to its balance of size and pin count.

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