NXP USA Inc.
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P89LPC952FBD,157
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P89LPC952FBD,157

Basic Information Overview

  • Category: Microcontroller
  • Use: Embedded systems, electronic devices
  • Characteristics: Low power consumption, high performance, small size
  • Package: 44-pin TQFP (Thin Quad Flat Package)
  • Essence: Integrated circuit for controlling and managing electronic systems
  • Packaging/Quantity: Individually packaged, quantity varies based on manufacturer

Specifications

  • Architecture: 8-bit
  • CPU Speed: Up to 20 MHz
  • Program Memory Size: 8 KB
  • RAM Size: 256 bytes
  • Input/Output Pins: 32
  • Communication Interfaces: UART, SPI, I2C
  • Operating Voltage Range: 2.7V to 5.5V
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

  1. VDD - Power supply voltage
  2. GND - Ground
  3. P0.0 - General-purpose I/O pin
  4. P0.1 - General-purpose I/O pin
  5. P0.2 - General-purpose I/O pin
  6. P0.3 - General-purpose I/O pin
  7. P0.4 - General-purpose I/O pin
  8. P0.5 - General-purpose I/O pin
  9. P0.6 - General-purpose I/O pin
  10. P0.7 - General-purpose I/O pin
  11. P1.0 - General-purpose I/O pin
  12. P1.1 - General-purpose I/O pin
  13. P1.2 - General-purpose I/O pin
  14. P1.3 - General-purpose I/O pin
  15. P1.4 - General-purpose I/O pin
  16. P1.5 - General-purpose I/O pin
  17. P1.6 - General-purpose I/O pin
  18. P1.7 - General-purpose I/O pin
  19. RST - Reset input
  20. XTAL1 - Crystal oscillator input
  21. XTAL2 - Crystal oscillator output
  22. PSEN - Program store enable
  23. ALE/PROG - Address latch enable/Program pulse input
  24. EA/VPP - External access enable/Programming voltage input
  25. P2.0 - General-purpose I/O pin
  26. P2.1 - General-purpose I/O pin
  27. P2.2 - General-purpose I/O pin
  28. P2.3 - General-purpose I/O pin
  29. P2.4 - General-purpose I/O pin
  30. P2.5 - General-purpose I/O pin
  31. P2.6 - General-purpose I/O pin
  32. P2.7 - General-purpose I/O pin
  33. P3.0/RXD - General-purpose I/O pin/Serial receive data
  34. P3.1/TXD - General-purpose I/O pin/Serial transmit data
  35. P3.2/INT0 - General-purpose I/O pin/External interrupt 0
  36. P3.3/INT1 - General-purpose I/O pin/External interrupt 1
  37. P3.4/T0 - General-purpose I/O pin/Timer 0 external input
  38. P3.5/T1 - General-purpose I/O pin/Timer 1 external input
  39. P3.6/WR - General-purpose I/O pin/Write control for external memory
  40. P3.7/RD - General-purpose I/O pin/Read control for external memory
  41. VREF - Voltage reference input
  42. AVSS - Analog ground
  43. ADC0 - Analog-to-digital converter input 0
  44. ADC1 - Analog-to-digital converter input 1

Functional Features

  • Low power consumption: The P89LPC952FBD,157 is designed to operate efficiently with minimal power requirements, making it suitable for battery-powered devices.
  • High performance: With a CPU speed of up to 20 MHz, this microcontroller offers fast processing capabilities for various applications.
  • Small size: The compact package allows for easy integration into space-constrained electronic systems.

Advantages and Disadvantages

Advantages: - Low power consumption extends battery life in portable devices. - High-performance CPU enables quick execution of tasks. - Small size facilitates integration into compact designs.

Disadvantages: - Limited program memory size (8 KB) may restrict the complexity of applications. - Limited RAM size (256 bytes) may limit the amount of data that can be stored during operation.

Working Principles

The P89LPC952FBD,157 microcontroller operates based on an 8-bit architecture. It executes instructions stored in its program memory and interacts with external devices through its input/output pins. The microcontroller can communicate with other devices using

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací P89LPC952FBD,157 v technických řešeních

Sure! Here are 10 common questions and answers related to the application of P89LPC952FBD,157:

  1. Q: What is the P89LPC952FBD,157 microcontroller used for? A: The P89LPC952FBD,157 microcontroller is commonly used in various technical solutions that require embedded control and processing capabilities.

  2. Q: What is the maximum clock frequency supported by the P89LPC952FBD,157? A: The P89LPC952FBD,157 supports a maximum clock frequency of 20 MHz.

  3. Q: How much program memory does the P89LPC952FBD,157 have? A: The P89LPC952FBD,157 has 8 KB of on-chip flash program memory.

  4. Q: Can I expand the program memory of the P89LPC952FBD,157? A: No, the program memory of the P89LPC952FBD,157 cannot be expanded externally.

  5. Q: How many I/O pins does the P89LPC952FBD,157 have? A: The P89LPC952FBD,157 has a total of 32 I/O pins.

  6. Q: Does the P89LPC952FBD,157 support analog-to-digital conversion? A: Yes, the P89LPC952FBD,157 has an integrated 8-channel 10-bit ADC.

  7. Q: What communication interfaces are supported by the P89LPC952FBD,157? A: The P89LPC952FBD,157 supports UART (Universal Asynchronous Receiver/Transmitter) and I2C (Inter-Integrated Circuit) interfaces.

  8. Q: Can I use the P89LPC952FBD,157 in battery-powered applications? A: Yes, the P89LPC952FBD,157 has low power consumption and can be used in battery-powered applications.

  9. Q: Does the P89LPC952FBD,157 have any built-in timers/counters? A: Yes, the P89LPC952FBD,157 has two 16-bit timers/counters with various operating modes.

  10. Q: Is there any development toolchain available for programming the P89LPC952FBD,157? A: Yes, NXP provides a development toolchain called "Keil MDK" that supports programming and debugging of the P89LPC952FBD,157 microcontroller.

Please note that these answers are general and may vary depending on the specific requirements and implementation of your technical solution.