P89C668HBA/00,512

Basic Information Overview

• Category: Microcontroller
• Use: Embedded systems and applications
• Characteristics:
  • High-performance 8-bit microcontroller
  • Flash-based program memory
  • Wide range of peripherals
  • Low power consumption
• Package: 44-pin PLCC (Plastic Leaded Chip Carrier)
• Essence: A versatile microcontroller designed for embedded systems with a focus on performance, flexibility, and low power consumption.
• Packaging/Quantity: Available in reels or tubes, quantity depends on the supplier.

Specifications

• Architecture: 8-bit
• CPU Speed: Up to 20 MHz
• Program Memory: 64 KB Flash
• Data Memory: 2 KB RAM
• I/O Pins: 32
• Timers/Counters: 3
• Communication Interfaces: UART, SPI, I2C
• Analog-to-Digital Converter (ADC): 8 channels, 10-bit resolution
• Operating Voltage: 2.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

1. VSS - Ground
2. XTAL1 - Crystal oscillator input
3. XTAL2 - Crystal oscillator output
4. RESET - External 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. P2.6/A15 - Port 2, Pin 6 / Address bit 15
41. P2.7/A14 - Port 2, Pin 7 / Address bit 14
42. P2.5/A13 - Port 2, Pin 5 / Address bit 13
43. P2.4/A12 - Port 2, Pin 4 / Address bit 12
44. VCC - Supply voltage

Functional Features

• High-performance CPU with efficient instruction set
• Flash-based program memory for easy reprogramming
• Wide range of peripherals for versatile applications
• Low power consumption for energy-efficient designs
• Multiple communication interfaces for connectivity options
• On-chip analog-to-digital converter for sensor interfacing
• Flexible I/O pins for interfacing with external devices
• Timers and counters for precise timing operations

Advantages

• High-performance capabilities enable complex applications
• Flash-based program memory allows for easy updates and modifications