DS21552L

Product Overview

• Category: Integrated Circuit (IC)
• Use: Digital Signal Processor (DSP)
• Characteristics: High-performance, low-power consumption
• Package: 48-pin LQFP (Quad Flat Package)
• Essence: Advanced signal processing capabilities
• Packaging/Quantity: Available in reels of 250 units

Specifications

• Architecture: 32-bit RISC (Reduced Instruction Set Computer)
• Clock Speed: 200 MHz
• Memory: 512 KB RAM, 2 MB Flash
• I/O Interfaces: UART, SPI, I2C, GPIO
• Operating Voltage: 3.3V
• Operating Temperature: -40°C to +85°C

Detailed Pin Configuration

The DS21552L features a 48-pin LQFP package with the following pin configuration:

1. VDDA: Analog power supply
2. VDDD: Digital power supply
3. GND: Ground
4. RESET: Reset input
5. XTAL_IN: Crystal oscillator input
6. XTAL_OUT: Crystal oscillator output
7. VREF: Reference voltage
8. AIN0: Analog input 0
9. AIN1: Analog input 1
10. AIN2: Analog input 2
11. AIN3: Analog input 3
12. AOUT0: Analog output 0
13. AOUT1: Analog output 1
14. AOUT2: Analog output 2
15. AOUT3: Analog output 3
16. GND: Ground
17. GPIO0: General-purpose I/O 0
18. GPIO1: General-purpose I/O 1
19. GPIO2: General-purpose I/O 2
20. GPIO3: General-purpose I/O 3
21. GND: Ground
22. SPI_CLK: SPI clock input
23. SPI_MISO: SPI master-in, slave-out
24. SPI_MOSI: SPI master-out, slave-in
25. SPI_CS: SPI chip select
26. GND: Ground
27. UART_TX: UART transmit
28. UART_RX: UART receive
29. I2C_SCL: I2C serial clock
30. I2C_SDA: I2C serial data
31. GND: Ground
32. VDDA: Analog power supply
33. VDDD: Digital power supply
34. GND: Ground
35. RESET: Reset input
36. XTAL_IN: Crystal oscillator input
37. XTAL_OUT: Crystal oscillator output
38. VREF: Reference voltage
39. AIN0: Analog input 0
40. AIN1: Analog input 1
41. AIN2: Analog input 2
42. AIN3: Analog input 3
43. AOUT0: Analog output 0
44. AOUT1: Analog output 1
45. AOUT2: Analog output 2
46. AOUT3: Analog output 3
47. GND: Ground
48. NC: No connection

Functional Features

• Advanced signal processing capabilities for audio and video applications
• High-performance DSP core for efficient computation
• Integrated peripherals for seamless connectivity
• Low-power consumption for energy-efficient operation
• Flexible I/O interfaces for versatile integration

Advantages and Disadvantages

Advantages: - High-performance processing capabilities - Low-power consumption for energy efficiency - Versatile I/O interfaces for easy integration - Compact package size for space-constrained designs

Disadvantages: - Limited memory capacity compared to some other DSPs - Higher cost compared to entry-level DSPs

Working Principles

The DS21552L is based on a 32-bit RISC architecture, which allows for efficient execution of complex signal processing algorithms. It operates at a clock speed of 200 MHz and features a combination of RAM and Flash memory for data storage. The integrated peripherals, such as UART, SPI, and I2C interfaces, enable seamless connectivity with external devices.

Detailed Application Field Plans

The DS21552L finds applications in various fields, including:

1. Audio Processing: Used in audio equipment for tasks like noise cancellation, equalization, and audio effects processing.
2. Video Processing: Employed in video processing systems for tasks like image enhancement, compression, and video analytics.
3. Communication Systems: Integrated into communication systems for tasks like voice coding, echo cancellation, and modulation/demodulation.
4. Industrial Automation: Utilized in industrial automation systems for tasks like motor control, sensor interfacing, and data acquisition.
5. Medical Devices: Incorporated into medical devices for tasks like signal analysis, patient monitoring, and diagnostic imaging