ML51DB9AE

Introduction

The NuMicro® ML51DB9AE is a member of Nuvoton's Lower Power 8051 Series of microcontrollers. Based on the classic 1T 8051 core, this chip has been optimized for low-power applications while delivering a comprehensive set of features suitable for a wide range of devices. It is well-suited for applications requiring efficiency and reliability, such as IoT devices, home appliances, and wearable technology.

Function & Applications

The ML51DB9AE excels in environments where power consumption and space are critical considerations. With its advanced power management features, it supports multiple low-power modes to ensure minimal power use during idle or active states. Its small package size fits perfectly in compact electronic products like wearable devices, home appliances, battery management systems, IoT devices, auto-alarm systems, and remote controllers.

Performance Parameters

- Operating Characteristics: 1.8V to 5.5V, 24MHz speed, and -40 ℃ to +105 ℃ temperature range.
- Core: 1T 8051-based CMOS microcontroller, capable of running up to 24MHz.
- Memories: 16KB Flash, 1KB SRAM, and 4KB loader ROM.
- Clocks: Various internal and external oscillator options, including a 24MHz HIRC with less than ±2% variance.
- Power Management: Power-down current under 1µA, with quick wake-up capabilities.
- Communication Interfaces: Includes UART, SPI, I²C, and Smart Card interfaces, accommodating a range of connectivity options.
- ADC: 12-bit SAR ADC, with a sampling rate of 500 kSPS.
- PWM: Features a capable PWM timer with 6 channels and advanced options like dead-zone generation for paired outputs.

Package Types, Interface & Pin Configuration

The ML51DB9AE is presented in a TSSOP14 packaging, offering a compact footprint that retains numerous I/O options, including 11 GPIO pins, ensuring versatility in various applications. This small form factor also assists with space-constrained designs, allowing integration into products where real estate is at a premium.

Reliability & Lifespan

Built to operate across a wide temperature range, from -40 ℃ to 105 ℃, the ML51DB9AE is a robust microcontroller, ensuring reliability and a long lifespan even in harsh environments. The low-power modes contribute to extending the life of battery-operated devices, demonstrating its endurance and efficiency.

Standards & Certifications

As with most microcontrollers produced by renowned manufacturers, the ML51DB9AE will comply with industry standards, including those for electromagnetic compatibility and safety.

Application Cases & Reference Designs

Nuvoton provides extensive support for developers, including application cases and reference designs that demonstrate the use of the ML51DB9AE in real-world scenarios. For detailed examples and designs, developers are advised to explore Nuvoton's official resources or development tool suites, such as KEILTM and IAR, which include support for the ML51 series. This facilitates the rapid integration of the microcontroller into a diverse array of products and significantly reduces time-to-market.