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M0516LDN

ARM Cortex-M0 MCU, 50MHz, 64KB Flash, 4KB SRAM, dual SPI/I2C/UART, LQFP-48

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Manufacturer Part：

M0516LDN

Package：

LQFP-48 (7.0 x 7.0 x 1.45 mm)

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Description

Product Overview

The M0516LDN is a 32-bit ARM Cortex-M0 microcontroller from Nuvoton Technology. It operates at up to 50MHz with 64KB Flash, 4KB SRAM, and 4KB Data Flash. The device features a high-precision internal 22.1184MHz RC oscillator, comprehensive peripherals including dual SPI, I2C, UART, 12-bit ADC, and PWM, all in an LQFP-48 package.

Key Specifications

Core ARM Cortex-M0 32-bit
Max Clock Frequency 50MHz
Flash Memory 64KB
SRAM 4KB
Data Flash 4KB
I/O Pins 40
ADC 8-channel 12-bit (760kSPS)
Communication 2x SPI, 2x I2C, 2x UART
PWM 8 channels
Supply Voltage 2.5V to 5.5V
Operating Temperature -40C to +85C
Package LQFP-48 (7x7mm)

Features

  • ARM Cortex-M0 core with 32-bit performance at 8-bit cost
  • High-precision internal 22.1184MHz RC oscillator (1% at 25C)
  • 4KB Data Flash for parameter storage (no external EEPROM needed)
  • 8-channel 12-bit ADC up to 760kSPS with built-in temperature sensor
  • 4 analog comparators for fast response
  • Dual SPI (up to 36MHz), dual I2C (400kHz), dual UART
  • High ESD/EFT immunity (8kV ESD, 4kV EFT)
  • ISP, ICP, and IAP programming support

Applications

  • Security and alarm systems
  • Temperature sensing and control
  • Motor control applications
  • Industrial automation
  • Consumer electronics controllers

The M0516LDN from Nuvoton Technology is a 32-bit ARM Cortex-M0 microcontroller offering 50MHz operation with 64KB Flash, 4KB SRAM, and 4KB Data Flash in an LQFP-48 package. The device features a high-precision internal 22.1184MHz RC oscillator with 1% accuracy, eliminating the need for external crystals in many applications. With dual SPI, I2C, and UART interfaces, 8-channel 12-bit ADC, and 8-channel PWM, it provides comprehensive peripheral support for industrial and consumer applications. High ESD/EFT immunity ensures reliable operation in noisy environments.

The M0516LDN is based on the ARM Cortex-M0 processor core connected to peripherals through an AHB/APB bus bridge. The CPU executes instructions from 64KB Flash with access to 4KB SRAM for data. A built-in PLL can boost the internal 22.1184MHz oscillator to 50MHz for maximum performance. The 12-bit SAR ADC samples analog inputs at up to 760kSPS, triggered by PWM outputs for synchronized control loops. Four analog comparators provide fast response for protection circuits. The Data Flash area serves as non-volatile storage for configuration parameters without external EEPROM. Multiple programming interfaces (ISP, ICP, IAP) support flexible development and field updates.

Pin Name Type Function
1-4 PB.0-PB.3 I/O Port B / ADC / PWM / SPI
5-8 PB.4-PB.7 I/O Port B / ADC / PWM / I2C
9 VDD Power Positive supply (2.5-5.5V)
10 VSS Power Ground
11-18 PC.0-PC.7 I/O Port C / UART / SPI / PWM
19 RST Reset Reset (active low)
20-23 PD.0-PD.3 I/O Port D / UART / EBI
24-27 PD.4-PD.7 I/O Port D / PWM / ADC
28 VDD Power Positive supply
29 AVDD Power Analog supply
30 AVSS Power Analog ground
31-36 PE.0-PE.5 I/O Port E / ADC / Comparator
37-44 PA.0-PA.7 I/O Port A / UART / SPI / I2C
45-48 PA.8-PA.11 I/O Port A / EBI / PWM
  • Security and alarm system controllers
  • Temperature sensing and HVAC control
  • Motor control for BLDC and stepper motors
  • Industrial automation and instrumentation
  • Consumer electronics and smart home devices
Manufacturer Part Number Package Notes
Nuvoton M0518LDN LQFP-48 128KB Flash upgrade
Nuvoton NUC029LAN LQFP-48 Newer series with USB
GigaDevice GD32F130F8P6 TSSOP-20 ARM Cortex-M3 alternative
STMicroelectronics STM32F030C8T6 LQFP-48 Cortex-M0, 64KB Flash
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ARM Cortex-M0 MCU, 50MHz, 64KB Flash, 4KB SRAM, dual UART/SPI/I2C, LQFP-48

Brand:

Package:

LQFP-48 (7.0 x 7.0 x 1.45 mm)
In stock:
12385pcs

Cargo cycle: 3~7 Days
The minimum order is 1

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Quality Assurance

All electronic components we source from our partnered supply chains go through strict incoming inspections.Through careful testing, we ensure everything delivered to customers is genuine original parts and meets quality requirements.In addition, we keep complete inspection records to make the entire supply chain process clear and traceable.

Certification
We have obtained a number of professional certifications and built our own professional testing laboratory.This ensures that every product we deliver to our customers meets the highest quality requirements.We conduct tests in strict accordance with procedures to ensure stable product quality and accurate parameters.To guarantee genuine original parts, we also cooperate with reliable third-party testing institutions for strict quality inspection.We always attach great importance to quality and fully comply with industry standards, relevant regulations, and ISO 9001:2015 requirements.

Shipping & Payment

All electronic components we source from our partnered supply chains go through strict incoming inspections.Through careful testing, we ensure everything delivered to customers is genuine original parts and meets quality requirements.In addition, we keep complete inspection records to make the entire supply chain process clear and traceable.

Certification
We have obtained a number of professional certifications and built our own professional testing laboratory.This ensures that every product we deliver to our customers meets the highest quality requirements.We conduct tests in strict accordance with procedures to ensure stable product quality and accurate parameters.To guarantee genuine original parts, we also cooperate with reliable third-party testing institutions for strict quality inspection.We always attach great importance to quality and fully comply with industry standards, relevant regulations, and ISO 9001:2015 requirements.

Service & Packaging

All electronic components we source from our partnered supply chains go through strict incoming inspections.Through careful testing, we ensure everything delivered to customers is genuine original parts and meets quality requirements.In addition, we keep complete inspection records to make the entire supply chain process clear and traceable.

Certification
We have obtained a number of professional certifications and built our own professional testing laboratory.This ensures that every product we deliver to our customers meets the highest quality requirements.We conduct tests in strict accordance with procedures to ensure stable product quality and accurate parameters.To guarantee genuine original parts, we also cooperate with reliable third-party testing institutions for strict quality inspection.We always attach great importance to quality and fully comply with industry standards, relevant regulations, and ISO 9001:2015 requirements.

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