LM3S2950-IQC50-A2

Product Overview

Category

The LM3S2950-IQC50-A2 belongs to the category of microcontrollers.

Use

This microcontroller is commonly used in various electronic devices and systems for controlling and processing data.

Characteristics

• High-performance 32-bit ARM Cortex-M3 core
• Clock speed: 50 MHz
• Flash memory: 128 KB
• RAM: 16 KB
• Operating voltage: 3.3V
• Package type: LQFP (Low-profile Quad Flat Package)
• Number of pins: 48

Packaging/Quantity

The LM3S2950-IQC50-A2 is typically packaged in reels or trays, with a quantity of 250 units per reel/tray.

Specifications

• Architecture: ARM Cortex-M3
• CPU Frequency: 50 MHz
• Data Bus Width: 32 bits
• Program Memory Size: 128 KB Flash
• RAM Size: 16 KB
• Operating Voltage Range: 3.0V - 3.6V
• Digital I/O Pins: 40
• Analog Input Pins: 8
• UART Modules: 4
• SPI Modules: 2
• I2C Modules: 2
• Timers: 6
• ADC Resolution: 12 bits
• PWM Channels: 10
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The LM3S2950-IQC50-A2 has a total of 48 pins. The pin configuration is as follows:

1. VDD
2. PA0
3. PA1
4. PA2
5. PA3
6. PA4
7. PA5
8. PA6
9. PA7
10. PB0
11. PB1
12. PB2
13. PB3
14. PB4
15. PB5
16. PB6
17. PB7
18. PC0
19. PC1
20. PC2
21. PC3
22. PC4
23. PC5
24. PC6
25. PC7
26. PD0
27. PD1
28. PD2
29. PD3
30. PD4
31. PD5
32. PD6
33. PD7
34. PE0
35. PE1
36. PE2
37. PE3
38. PE4
39. PE5
40. PE6
41. PE7
42. PF0
43. PF1
44. PF2
45. PF3
46. PF4
47. PF5
48. GND

Functional Features

• High-performance ARM Cortex-M3 core provides efficient processing capabilities.
• Ample flash memory and RAM for storing and manipulating data.
• Multiple UART, SPI, and I2C modules allow for easy communication with other devices.
• Timers and PWM channels enable precise timing and control of external events.
• 12-bit ADC provides accurate analog-to-digital conversion.

Advantages and Disadvantages

Advantages

• Powerful processing capabilities due to the ARM Cortex-M3 core.
• Sufficient memory for most applications.
• Versatile communication interfaces for seamless integration with other devices.
• Precise timing and control options with timers and PWM channels.
• Accurate analog-to-digital conversion with the 12-bit ADC.

Disadvantages

• Limited number of digital I/O pins compared to some other microcontrollers.
• Relatively higher power consumption compared to low-power microcontrollers.

Working Principles

The LM3S2950-IQC50-A2 operates based on the ARM Cortex-M3 architecture. It executes instructions stored in its flash memory and manipulates data using its internal RAM. The microcontroller communicates with external devices through various interfaces such as UART, SPI, and I2C. It can also generate precise timing signals and control external events using its timers and PWM channels. The built-in ADC allows for accurate conversion of analog signals to digital values.

Detailed Application Field Plans

The LM3S2950-IQC50-A2 is widely used in various applications, including but not limited to: - Industrial automation systems - Consumer electronics - Medical devices - Automotive electronics - Home automation systems - Internet of Things (IoT) devices

Alternative Models

There are several alternative models available that offer similar functionality to the LM3S2950-IQC50-A2. Some notable alternatives include: - STM32F103C8T6 - PIC32MX795F512L - MSP430G2553 - ATmega328P

These alternative models provide a range of options with different features, performance levels, and price points, allowing designers to