MC908KX8MDWE

Product Overview

• Category: Microcontroller
• Use: Embedded systems, control applications
• Characteristics: High-performance, low-power consumption, compact size
• Package: DIP-40 (Dual In-line Package)
• Essence: Advanced microcontroller with integrated peripherals
• Packaging/Quantity: Tray packaging, 100 units per tray

Specifications

• Architecture: 8-bit
• Clock Speed: Up to 8 MHz
• Flash Memory: 8 KB
• RAM: 512 bytes
• Operating Voltage: 2.7V - 5.5V
• I/O Pins: 32
• Timers: 2 x 8-bit, 1 x 16-bit
• Communication Interfaces: SPI, I2C, UART
• Analog-to-Digital Converter: 10-bit, 8 channels
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MC908KX8MDWE microcontroller has a total of 40 pins, which are assigned for various functions such as power supply, input/output, communication, and programming. The pin configuration is as follows:

1. VDD - Power Supply
2. VSS - Ground
3. RESET - Reset Input
4. IRQ - Interrupt Request
5. PTA0 - General Purpose I/O
6. PTA1 - General Purpose I/O
7. PTA2 - General Purpose I/O
8. PTA3 - General Purpose I/O
9. PTA4 - General Purpose I/O
10. PTA5 - General Purpose I/O
11. PTA6 - General Purpose I/O
12. PTA7 - General Purpose I/O
13. PTB0 - General Purpose I/O
14. PTB1 - General Purpose I/O
15. PTB2 - General Purpose I/O
16. PTB3 - General Purpose I/O
17. PTB4 - General Purpose I/O
18. PTB5 - General Purpose I/O
19. PTB6 - General Purpose I/O
20. PTB7 - General Purpose I/O
21. PTC0 - General Purpose I/O
22. PTC1 - General Purpose I/O
23. PTC2 - General Purpose I/O
24. PTC3 - General Purpose I/O
25. PTC4 - General Purpose I/O
26. PTC5 - General Purpose I/O
27. PTC6 - General Purpose I/O
28. PTC7 - General Purpose I/O
29. VCAP - External Capacitor Connection
30. VREFH - High Voltage Reference Input
31. VREFL - Low Voltage Reference Input
32. AD0 - Analog Input 0
33. AD1 - Analog Input 1
34. AD2 - Analog Input 2
35. AD3 - Analog Input 3
36. AD4 - Analog Input 4
37. AD5 - Analog Input 5
38. AD6 - Analog Input 6
39. AD7 - Analog Input 7
40. VSS - Ground

Functional Features

• High-performance 8-bit microcontroller suitable for control applications
• Integrated peripherals such as timers, communication interfaces, and analog-to-digital converter
• Low-power consumption for energy-efficient designs
• Compact size allows for space-constrained applications
• Wide operating voltage range for flexibility in power supply options

Advantages and Disadvantages

Advantages: - High-performance capabilities for demanding control applications - Integrated peripherals reduce the need for external components - Low-power consumption extends battery life in portable devices - Compact size enables integration into space-constrained designs

Disadvantages: - Limited processing power compared to higher-bit microcontrollers - Limited memory capacity may restrict the complexity of applications - Lack of advanced features found in more specialized microcontrollers

Working Principles

The MC908KX8MDWE microcontroller operates based on an 8-bit architecture. It executes instructions stored in its flash memory, utilizing the integrated peripherals and I/O pins to interact with the external environment. The clock speed determines the rate at which instructions are processed, while the timers enable precise timing control. The communication interfaces facilitate data exchange with other devices, and the analog-to-digital converter allows for the conversion of analog signals into digital values.

Detailed Application Field Plans

The MC908KX8MDWE microcontroller finds applications in various fields, including but not limited to:

1. Industrial Automation: Control systems for manufacturing processes, robotics, and machinery.
2. Automotive: Engine management systems, dashboard displays, and vehicle control units.
3. Home Automation: Smart home devices, lighting