XR8051AST5MTR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Microcontroller
• Characteristics:
  • Low-power consumption
  • High-performance
  • Small form factor
• Package: TQFP-44
• Essence: 8-bit microcontroller with advanced features
• Packaging/Quantity: Tape and reel, 2500 units per reel

Specifications

• Architecture: 8051
• CPU Speed: Up to 33 MHz
• Program Memory Size: 8 KB
• RAM Size: 256 bytes
• Data EEPROM Size: 512 bytes
• I/O Pins: 32
• Timers/Counters: 3
• Serial Communication: UART, SPI, I2C
• ADC Channels: 8
• Operating Voltage: 2.7V to 5.5V
• Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The XR8051AST5MTR has a total of 44 pins. The pin configuration is as follows:

1. VDD
2. P0.0 / AD0
3. P0.1 / AD1
4. P0.2 / AD2
5. P0.3 / AD3
6. P0.4 / AD4
7. P0.5 / AD5
8. P0.6 / AD6
9. P0.7 / AD7
10. RST
11. P1.0 / T2
12. P1.1 / T2EX
13. P1.2 / WR
14. P1.3 / RD
15. P1.4 / T0
16. P1.5 / INT0
17. P1.6 / INT1
18. P1.7 / T1
19. XTAL1
20. XTAL2
21. GND
22. P2.0 / A8
23. P2.1 / A9
24. P2.2 / A10
25. P2.3 / A11
26. P2.4 / A12
27. P2.5 / A13
28. P2.6 / A14
29. P2.7 / A15
30. AVSS
31. P3.0 / RXD
32. P3.1 / TXD
33. P3.2 / INT2
34. P3.3 / INT3
35. P3.4 / T0
36. P3.5 / T1
37. P3.6 / WR
38. P3.7 / RD
39. VDD
40. VSS
41. ALE
42. EA
43. PSEN
44. P2.7 / ALE

Functional Features

• 8-bit CPU with Harvard architecture
• On-chip program memory and data memory
• Multiple timers/counters for precise timing operations
• Serial communication interfaces for data exchange
• Analog-to-Digital Converter (ADC) for analog signal processing
• Interrupt handling capability for real-time event response
• Low-power modes for energy efficiency
• Wide operating voltage range for flexibility

Advantages and Disadvantages

Advantages: - High-performance microcontroller suitable for various applications - Low-power consumption extends battery life - Compact form factor allows integration in space-constrained designs - Rich set of peripherals and interfaces for versatile functionality

Disadvantages: - Limited program memory size compared to some other microcontrollers - Relatively small RAM size may restrict complex data manipulation - Lack of advanced features found in more modern microcontrollers

Working Principles

The XR8051AST5MTR is based on the 8051 architecture, which utilizes an 8-bit CPU with a Harvard architecture. It executes instructions fetched from its internal program memory and operates on data stored in its internal RAM. The microcontroller can communicate with external devices through various serial communication interfaces such as UART, SPI, and I2C. It also includes timers/counters for precise timing operations and an ADC for analog signal processing.

The microcontroller operates by executing instructions sequentially, responding to interrupts when necessary, and interacting with peripherals and external devices as programmed. Its low-power modes allow it to conserve energy when idle or in standby mode.

Detailed Application Field Plans

The XR8051AST5MTR finds applications in various fields, including but not limited to:

1. Industrial Automation: Control systems, monitoring devices, and data acquisition units.
2. Consumer Electronics: Remote controls, smart home devices, and wearable gadgets.
3. Automotive: Engine control units, dashboard displays, and vehicle diagnostics.
4. Medical Devices: Patient monitoring systems, portable medical instruments,