MM908E625ACEK

Product Overview

• Category: Integrated Circuit (IC)
• Use: Automotive Electronics
• Characteristics: High-performance microcontroller for automotive applications
• Package: 32-pin QFN package
• Essence: Advanced control and communication capabilities for automotive systems
• Packaging/Quantity: Available in reels of 2500 units

Specifications

• Microcontroller Core: 8-bit HCS08 CPU
• Operating Voltage Range: 2.7V to 5.5V
• Flash Memory Size: 64 KB
• RAM Size: 4 KB
• Communication Interfaces: CAN, LIN, SPI, SCI
• Operating Temperature Range: -40°C to +125°C
• Clock Speed: Up to 20 MHz
• Supply Current: 10 mA (typical)

Detailed Pin Configuration

The MM908E625ACEK features a 32-pin QFN package with the following pin configuration:

1. VDDA: Analog power supply
2. VSSA: Analog ground
3. RESET: Reset input
4. IRQ: Interrupt request output
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. VDD: Digital power supply
22. VSS: Digital ground
23. CANH: CAN bus high
24. CANL: CAN bus low
25. LIN: LIN bus
26. SPI_CLK: SPI clock
27. SPI_MISO: SPI master in, slave out
28. SPI_MOSI: SPI master out, slave in
29. SPI_CS: SPI chip select
30. SCI_RXD: SCI receive data
31. SCI_TXD: SCI transmit data
32. OSC: Oscillator input

Functional Features

• High-performance 8-bit HCS08 CPU for efficient processing
• Integrated communication interfaces (CAN, LIN, SPI, SCI) for seamless connectivity
• Flash memory for program storage and flexibility
• Low-power consumption for automotive applications
• Robust operating temperature range (-40°C to +125°C)
• Reset and interrupt capabilities for system control

Advantages and Disadvantages

Advantages: - Advanced control and communication capabilities - Suitable for automotive electronics due to the wide operating temperature range - Compact package size for space-constrained applications - Low power consumption for energy-efficient designs

Disadvantages: - Limited RAM size (4 KB) compared to some other microcontrollers - May require additional external components for certain applications

Working Principles

The MM908E625ACEK is based on the HCS08 CPU architecture and operates at a clock speed of up to 20 MHz. It executes instructions stored in its flash memory and interacts with external devices through its communication interfaces. The microcontroller's working principle involves receiving inputs from various sensors, processing the data, and controlling output devices accordingly. It utilizes the integrated communication interfaces to communicate with other automotive systems, enabling efficient control and coordination.

Detailed Application Field Plans

The MM908E625ACEK is widely used in automotive electronics applications, including but not limited to:

1. Engine Control Units (ECUs)
2. Body Control Modules (BCMs)
3. Transmission Control Units (TCUs)
4. Anti-lock Braking Systems (ABS)
5. Airbag Control Units (ACUs)
6. Instrument Clusters
7. HVAC Systems
8. Electric Power Steering (EPS) Systems
9. Lighting Control Modules
10. Tire Pressure Monitoring Systems (TPMS)

Detailed and Complete Alternative Models

1. MM908E624ACEK: Similar microcontroller with 32 KB flash memory and 2 KB RAM
2. MM908E626ACEK: Enhanced version with additional features and increased memory capacity
3. MM908E627ACEK: Higher-performance microcontroller with extended communication capabilities

These alternative models offer varying specifications and features to cater to different application requirements while maintaining compatibility with the MM908E625ACEK.

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