P89C664HFA/00,512

Basic Information Overview

• Category: Microcontroller
• Use: Embedded systems, control applications
• Characteristics: High-performance, low-power consumption, versatile
• Package: 80-pin TQFP (Thin Quad Flat Package)
• Essence: A microcontroller designed for various control applications in embedded systems.
• Packaging/Quantity: Available in individual units or reels of 2500 pieces.

Specifications

• Architecture: 8-bit
• CPU Speed: Up to 20 MHz
• Program Memory Size: 64 KB
• RAM Size: 2 KB
• I/O Pins: 32
• Timers/Counters: 3
• Communication Interfaces: UART, SPI, I2C
• ADC Channels: 8
• Operating Voltage: 2.7V to 5.5V

Detailed Pin Configuration

The P89C664HFA/00,512 microcontroller has a total of 80 pins. The pin configuration is as follows:

1. VSS - Ground
2. XTAL1 - Crystal oscillator input
3. XTAL2 - Crystal oscillator output
4. RST - Reset input
5. P0.0 - Port 0, Pin 0
6. P0.1 - Port 0, Pin 1
7. P0.2 - Port 0, Pin 2
8. P0.3 - Port 0, Pin 3
9. P0.4 - Port 0, Pin 4
10. P0.5 - Port 0, Pin 5
11. P0.6 - Port 0, Pin 6
12. P0.7 - Port 0, Pin 7
13. P1.0 - Port 1, Pin 0
14. P1.1 - Port 1, Pin 1
15. P1.2 - Port 1, Pin 2
16. P1.3 - Port 1, Pin 3
17. P1.4 - Port 1, Pin 4
18. P1.5 - Port 1, Pin 5
19. P1.6 - Port 1, Pin 6
20. P1.7 - Port 1, Pin 7
21. P2.0 - Port 2, Pin 0
22. P2.1 - Port 2, Pin 1
23. P2.2 - Port 2, Pin 2
24. P2.3 - Port 2, Pin 3
25. P2.4 - Port 2, Pin 4
26. P2.5 - Port 2, Pin 5
27. P2.6 - Port 2, Pin 6
28. P2.7 - Port 2, Pin 7
29. P3.0 - Port 3, Pin 0
30. P3.1 - Port 3, Pin 1
31. P3.2 - Port 3, Pin 2
32. P3.3 - Port 3, Pin 3
33. P3.4 - Port 3, Pin 4
34. P3.5 - Port 3, Pin 5
35. P3.6 - Port 3, Pin 6
36. P3.7 - Port 3, Pin 7
37. EA/VPP - External Access Enable / Programming Supply Voltage
38. ALE/PROG - Address Latch Enable / Program Pulse
39. PSEN - Program Store Enable
40. P2.7/A15 - Port 2, Pin 7 / Address bit 15 41-48. AD0-AD7 - Analog-to-Digital Converter (ADC) pins 49-56. T0-T7 - Timer/Counter pins 57-64. INT0-INT7 - External Interrupt pins 65-72. RXD0-TXD0 - UART Communication pins 73-80. SDA/SCL - I2C Communication pins

Functional Features

• High-performance 8-bit microcontroller suitable for control applications.
• Versatile I/O capabilities with 32 pins.
• Multiple communication interfaces (UART, SPI, I2C) for easy integration with other devices.
• Built-in timers/counters for precise timing operations.
• On-chip analog-to-digital converter (ADC) for sensor interfacing.
• Low-power consumption for energy-efficient designs.

Advantages and Disadvantages

Advantages: - High-performance and versatile microcontroller. - Ample program memory and RAM size for various applications. - Wide operating voltage range allows flexibility in power supply options. - Multiple communication interfaces