MC908QB4CDWER

Product Overview

• Category: Microcontroller
• Use: Embedded systems, control applications
• Characteristics:
  • High-performance 8-bit microcontroller
  • Low power consumption
  • Small form factor
  • Integrated peripherals for versatile applications
• Package: CDWER (Ceramic Dual In-Line Package with Edge Connector)
• Essence: A powerful microcontroller designed for control applications in embedded systems.
• Packaging/Quantity: Available in reels of 1000 units.

Specifications

• Architecture: 8-bit
• CPU Speed: Up to 8 MHz
• Program Memory Size: 4 KB Flash
• RAM Size: 256 Bytes
• Operating Voltage Range: 2.7V to 5.5V
• Number of I/O Pins: 20
• Communication Interfaces: SPI, I2C, UART
• Analog-to-Digital Converter (ADC): 8 channels, 10-bit resolution
• Timers/Counters: 2 x 8-bit, 1 x 16-bit
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MC908QB4CDWER microcontroller has a total of 20 pins. The pin configuration is as follows:

1. VDD - Power supply voltage
2. PTA0 - General-purpose I/O pin
3. PTA1 - General-purpose I/O pin
4. PTA2 - General-purpose I/O pin
5. PTA3 - General-purpose I/O pin
6. PTA4 - General-purpose I/O pin
7. PTA5 - General-purpose I/O pin
8. PTA6 - General-purpose I/O pin
9. PTA7 - General-purpose I/O pin
10. RESET - Reset pin
11. PTB0 - General-purpose I/O pin
12. PTB1 - General-purpose I/O pin
13. PTB2 - General-purpose I/O pin
14. PTB3 - General-purpose I/O pin
15. PTB4 - General-purpose I/O pin
16. PTB5 - General-purpose I/O pin
17. PTB6 - General-purpose I/O pin
18. PTB7 - General-purpose I/O pin
19. VSS - Ground
20. VDD - Power supply voltage

Functional Features

• High-performance 8-bit CPU for efficient processing
• Integrated peripherals such as timers, ADC, and communication interfaces for versatile applications
• Low power consumption for energy-efficient designs
• Small form factor for space-constrained applications
• Wide operating voltage range for flexibility in power supply options

Advantages and Disadvantages

Advantages: - High-performance CPU enables fast and efficient processing. - Integrated peripherals simplify system design and reduce external component count. - Low power consumption extends battery life in portable applications. - Small form factor allows for compact designs. - Wide operating voltage range provides flexibility in power supply options.

Disadvantages: - Limited program memory size (4 KB) may restrict the complexity of applications. - Limited RAM size (256 Bytes) may limit the amount of data that can be stored. - 8-bit architecture may not be suitable for certain demanding applications requiring higher precision or processing power.

Working Principles

The MC908QB4CDWER microcontroller operates based on an 8-bit architecture. It executes instructions stored in its program memory to perform various tasks. The integrated peripherals, such as timers, ADC, and communication interfaces, enable the microcontroller to interact with external devices and sensors. The low power consumption ensures efficient operation, while the small form factor allows for integration into space-constrained designs.

Detailed Application Field Plans

The MC908QB4CDWER microcontroller finds applications in various fields, including but not limited to:

1. Home automation systems
2. Industrial control systems
3. Automotive electronics
4. Consumer electronics
5. Medical devices
6. Internet of Things (IoT) devices

Its versatility and integrated features make it suitable for a wide range of control applications in these fields.

Detailed and Complete Alternative Models

1. MC9S08QG8CDWE: Similar 8-bit microcontroller with 8 KB Flash memory and 512 Bytes RAM.
2. MC9S08QE8CDWE: Another 8-bit microcontroller with 8 KB Flash memory and 512 Bytes RAM.
3. MC9S08QD4CDWE: 8-bit microcontroller with 4 KB Flash memory and 256 Bytes RAM.
4. MC9S08QD2CDWE: 8-bit microcontroller with 2 KB Flash memory and 128 Bytes RAM.

These alternative models offer different memory sizes and may