MC68HC908LK24CPB

Product Overview

• Category: Microcontroller
• Use: Embedded systems, control applications
• Characteristics: Low power consumption, high performance, compact size
• Package: Plastic body, 44-pin package
• Essence: Integrated circuit for controlling and managing electronic devices
• Packaging/Quantity: Available in reels of 250 units

Specifications

• Architecture: 8-bit
• Clock Speed: 8 MHz
• Flash Memory: 24 KB
• RAM: 1 KB
• Input/Output Pins: 32
• Analog-to-Digital Converter (ADC): 10-bit resolution, 8 channels
• Timers: 2 x 16-bit, 1 x 8-bit
• Communication Interfaces: SPI, I2C, UART

Pin Configuration

The MC68HC908LK24CPB microcontroller has a total of 44 pins. The pin configuration is as follows:

1. VDD - Power supply voltage
2. VSS - Ground
3. RESET - Reset input
4. IRQ - Interrupt request input
5. PTA0 - General-purpose I/O pin
6. PTA1 - General-purpose I/O pin
7. PTA2 - General-purpose I/O pin
8. PTA3 - General-purpose I/O pin
9. PTA4 - General-purpose I/O pin
10. PTA5 - General-purpose I/O pin
11. PTA6 - General-purpose I/O pin
12. PTA7 - General-purpose I/O pin
13. PTB0 - General-purpose I/O pin
14. PTB1 - General-purpose I/O pin
15. PTB2 - General-purpose I/O pin
16. PTB3 - General-purpose I/O pin
17. PTB4 - General-purpose I/O pin
18. PTB5 - General-purpose I/O pin
19. PTB6 - General-purpose I/O pin
20. PTB7 - General-purpose I/O pin
21. PTC0 - General-purpose I/O pin
22. PTC1 - General-purpose I/O pin
23. PTC2 - General-purpose I/O pin
24. PTC3 - General-purpose I/O pin
25. PTC4 - General-purpose I/O pin
26. PTC5 - General-purpose I/O pin
27. PTC6 - General-purpose I/O pin
28. PTC7 - General-purpose I/O pin
29. VREFH - High reference voltage for ADC
30. VREFL - Low reference voltage for ADC
31. AD0 - Analog input channel 0
32. AD1 - Analog input channel 1
33. AD2 - Analog input channel 2
34. AD3 - Analog input channel 3
35. AD4 - Analog input channel 4
36. AD5 - Analog input channel 5
37. AD6 - Analog input channel 6
38. AD7 - Analog input channel 7
39. TIN0 - Timer input capture 0
40. TIN1 - Timer input capture 1
41. TOUT0 - Timer output compare 0
42. TOUT1 - Timer output compare 1
43. OSCIN - Oscillator input
44. OSCOUT - Oscillator output

Functional Features

• Efficient control and management of electronic devices
• Low power consumption, suitable for battery-powered applications
• High-performance architecture for real-time applications
• Integrated analog-to-digital converter for sensor interfacing
• Multiple communication interfaces for data exchange
• Flexible timer modules for precise timing operations

Advantages and Disadvantages

Advantages

• Low power consumption extends battery life in portable devices
• Compact size allows for integration into space-constrained designs
• High-performance architecture enables real-time control applications
• Integrated analog-to-digital converter simplifies sensor interfacing
• Multiple communication interfaces enhance connectivity options
• Flexible timer modules provide precise timing capabilities

Disadvantages

• Limited processing power compared to higher-bit microcontrollers
• Restricted memory capacity may limit complex application development
• Limited number of input/output pins may restrict the number of connected devices

Working Principles

The MC68HC908LK24CPB microcontroller operates based on an 8-bit architecture. It executes instructions stored in its flash memory, controlling the behavior of connected electronic devices. The microcontroller communicates with external components through its input/output pins and various communication interfaces such as SPI, I2C, and UART. It can read analog signals from sensors using its integrated analog-to-digital converter and perform digital-to-analog conversions if required. The flexible timer modules enable precise timing operations, crucial for time-sensitive applications.