LPC2921FBD100,551

Product Overview

• Category: Microcontroller
• Use: Embedded systems, industrial automation, consumer electronics
• Characteristics: High-performance, low-power consumption, integrated peripherals
• Package: LQFP-100
• Essence: ARM Cortex-M3 core microcontroller
• Packaging/Quantity: Tape and reel, 2500 units per reel

Specifications

• Microcontroller Core: ARM Cortex-M3
• Clock Speed: Up to 72 MHz
• Flash Memory: 128 KB
• RAM: 16 KB
• Operating Voltage: 2.4V - 3.6V
• Digital I/O Pins: 54
• Analog Inputs: 8
• Serial Interfaces: UART, SPI, I2C
• Timers/Counters: 4 x 32-bit timers, 1 x 16-bit timer
• ADC Resolution: 10-bit
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The LPC2921FBD100,551 microcontroller has a total of 100 pins in the LQFP package. The pin configuration is as follows:

• Pins 1-4: Ground (GND)
• Pins 5-8: Digital I/O pins
• Pins 9-12: Analog input pins
• Pins 13-20: Serial interface pins
• Pins 21-24: Timer/counter pins
• Pins 25-28: Power supply pins
• Pins 29-32: Reset and boot pins
• Pins 33-36: Clock input/output pins
• Pins 37-40: JTAG interface pins
• Pins 41-44: GPIO pins
• Pins 45-48: External interrupt pins
• Pins 49-52: PWM output pins
• Pins 53-56: ADC reference voltage pins
• Pins 57-60: Analog ground (AGND)
• Pins 61-64: Analog power supply (AVDD)
• Pins 65-68: Analog input/output pins
• Pins 69-72: Analog comparator pins
• Pins 73-76: Reserved pins
• Pins 77-80: Power supply pins
• Pins 81-84: Digital I/O pins
• Pins 85-88: Serial interface pins
• Pins 89-92: Timer/counter pins
• Pins 93-96: Ground (GND)
• Pins 97-100: VBAT and RTC pins

Functional Features

• High-performance ARM Cortex-M3 core for efficient processing
• Low-power consumption for extended battery life
• Integrated peripherals such as UART, SPI, and I2C for easy communication
• Multiple timers/counters for precise timing operations
• 10-bit ADC for analog signal acquisition
• Wide operating temperature range for versatile applications

Advantages and Disadvantages

Advantages

• Powerful ARM Cortex-M3 core enables high-performance computing
• Low-power consumption extends battery life in portable devices
• Integrated peripherals simplify system design and reduce external component count
• Wide operating temperature range allows usage in harsh environments

Disadvantages

• Limited flash memory and RAM compared to higher-end microcontrollers
• Limited number of digital I/O pins may restrict the complexity of projects
• 10-bit ADC resolution may not be sufficient for certain precision applications

Working Principles

The LPC2921FBD100,551 microcontroller is based on the ARM Cortex-M3 core architecture. It operates by executing instructions stored in its flash memory. The clock speed determines the rate at which instructions are executed. The microcontroller interacts with external devices through its various peripherals, such as UART, SPI, and I2C interfaces. It can also perform precise timing operations using its timers/counters. Analog signals can be acquired using the built-in ADC.

Detailed Application Field Plans

The LPC2921FBD100,551 microcontroller finds applications in various fields, including:

1. Embedded systems: Used in industrial automation, home automation, and automotive systems for control and monitoring purposes.
2. Consumer electronics: Found in smart appliances, wearable devices, and IoT devices for data processing and connectivity.
3. Medical devices: Used in medical equipment for signal processing, control, and communication.
4. Robotics: Enables control and coordination of robotic systems in industrial and research applications.
5. Internet of Things (IoT): Provides the necessary processing power and connectivity for IoT devices and gateways.

Detailed and Complete Alternative Models

• LPC2920FBD100,551: Similar to LPC2921FBD100,551 but without analog inputs.
• LPC2922FBD100,551: Similar to LPC2921FBD100,551 but with