MM912I637AV1EP

Product Overview

• Category: Integrated Circuit (IC)
• Use: Automotive Electronics
• Characteristics: High-performance, low-power consumption
• Package: 48-pin QFP (Quad Flat Package)
• Essence: Control and monitoring of automotive systems
• Packaging/Quantity: Individually packaged, quantity varies based on supplier

Specifications

• Operating Voltage: 3.0V to 5.5V
• Operating Temperature: -40°C to +125°C
• Clock Frequency: Up to 16 MHz
• Memory: 32 KB Flash, 2 KB RAM
• Communication Interfaces: CAN, LIN, SPI, I2C
• Analog Inputs: 8-channel ADC
• Timers: 16-bit timers, PWM outputs
• Other Features: Watchdog Timer, Real-Time Clock, Power Management Unit

Detailed Pin Configuration

The MM912I637AV1EP IC has a total of 48 pins. The pin configuration is as follows:

1. VDDA: Analog Power Supply
2. VSSA: Analog Ground
3. RESET: Reset Input
4. XTAL1: Crystal Oscillator Input
5. XTAL2: Crystal Oscillator Output
6. VDD: Digital Power Supply
7. VSS: Digital Ground
8. PTA0: General Purpose I/O
9. PTA1: General Purpose I/O
10. PTA2: General Purpose I/O
11. PTA3: General Purpose I/O
12. PTA4: General Purpose I/O
13. PTA5: General Purpose I/O
14. PTA6: General Purpose I/O
15. PTA7: General Purpose I/O
16. PTB0: General Purpose I/O
17. PTB1: General Purpose I/O
18. PTB2: General Purpose I/O
19. PTB3: General Purpose I/O
20. PTB4: General Purpose I/O
21. PTB5: General Purpose I/O
22. PTB6: General Purpose I/O
23. PTB7: General Purpose I/O
24. PTC0: General Purpose I/O
25. PTC1: General Purpose I/O
26. PTC2: General Purpose I/O
27. PTC3: General Purpose I/O
28. PTC4: General Purpose I/O
29. PTC5: General Purpose I/O
30. PTC6: General Purpose I/O
31. PTC7: General Purpose I/O
32. PTD0: General Purpose I/O
33. PTD1: General Purpose I/O
34. PTD2: General Purpose I/O
35. PTD3: General Purpose I/O
36. PTD4: General Purpose I/O
37. PTD5: General Purpose I/O
38. PTD6: General Purpose I/O
39. PTD7: General Purpose I/O
40. VDDPLL: PLL Power Supply
41. VSSPLL: PLL Ground
42. PLLIN: PLL Input
43. PLLOUT: PLL Output
44. CANH: CAN High-Speed Bus
45. CANL: CAN Low-Speed Bus
46. LIN: LIN Bus
47. SDA: I2C Data Line
48. SCL: I2C Clock Line

Functional Features

• Control and monitoring of automotive systems
• Support for various communication interfaces (CAN, LIN, SPI, I2C)
• Analog-to-Digital Conversion (ADC) for sensor inputs
• Timers and PWM outputs for precise timing control
• Power Management Unit for efficient power usage
• Real-Time Clock for timekeeping functionality
• Watchdog Timer for system reliability

Advantages and Disadvantages

Advantages: - High-performance IC suitable for automotive applications - Low-power consumption for energy efficiency - Wide operating voltage and temperature range for versatility - Multiple communication interfaces for compatibility with different systems - Ample memory for program storage and data handling - Robust pin configuration for easy integration into circuit designs

Disadvantages: - Limited number of general-purpose I/O pins - Relatively high cost compared to simpler ICs - Requires additional external components for complete system implementation

Working Principles

The MM912I637AV1EP IC operates based on the principles of microcontroller technology. It integrates a central processing unit (CPU), memory, communication interfaces, and various peripherals onto a single chip. The CPU executes instructions stored in the internal flash memory, interacting with external devices through the provided communication interfaces. The analog inputs are converted to digital values using the built-in ADC, allowing