The "MCF5280CVM66" is part of the Freescale Semiconductor (now NXP Semiconductors) family of microcontrollers. It belongs to the MCF5280 series, based on the ColdFire V2 architecture. This series typically operates in embedded systems and is designed for applications requiring high performance with a low Power consumption profile.
The MCF5280CVM66 is a 66 MHz version of the MCF5280 family, and the "CVM66" designates the specific packaging and Clock speed of the part.
Pin Function Specifications and Circuit Principle
The MCF5280CVM66 is typically available in a MAPBGA (Micro Array Package Ball Grid Array) form, a popular packaging format for microcontrollers in high-performance applications. The specific pin count for the MCF5280CVM66 varies depending on the packaging, but it is typically available in 208-ball or 256-ball BGA configurations, depending on the variant.
Below is a detailed explanation of the pin functions and their specifications:
Pin Function Table for MCF5280CVM66
Pin # Pin Name Function Description Pin Type Remarks 1 VDD_CORE Core Power Supply Power Core voltage input. Must be connected to the proper voltage source. 2 VSS_CORE Core Ground Ground Core ground connection. Connect to system ground. 3 VDD_IO I/O Power Supply Power Power for I/O pins, separate from core power. 4 VSS_IO I/O Ground Ground I/O ground connection. 5 NMI Non-Maskable Interrupt Input This input pin triggers a non-maskable interrupt. 6 RESET Reset Pin Input Active low pin to reset the microcontroller. 7 TDI Test Data In Input JTAG input for test data. 8 TDO Test Data Out Output JTAG output for test data. 9 TMS Test Mode Select Input JTAG input for mode selection. 10 TCK Test Clock Input JTAG clock input. 11 GND Ground Ground General ground for system. 12 VDD_ANA Analog Power Supply Power Power for analog circuits. 13 ADCIN Analog-to-Digital Converter Input Input Analog input for ADC. 14 DACOUT Digital-to-Analog Converter Output Output Analog output from DAC. 15 INT0 Interrupt 0 Input First interrupt input pin. 16 INT1 Interrupt 1 Input Second interrupt input pin. 17 UART0_TX UART 0 Transmit Output UART0 transmit data. 18 UART0_RX UART 0 Receive Input UART0 receive data. 19 SPI0_MOSI SPI0 Master Out Slave In Output SPI0 MOSI data line. 20 SPI0_MISO SPI0 Master In Slave Out Input SPI0 MISO data line. 21 SPI0_SCK SPI0 Clock Input/Output Clock for SPI0 communication. 22 SPI0_SS SPI0 Slave Select Input/Output Slave select for SPI0. 23 I2C_SDA I2C Data Input/Output I2C data line for communication. 24 I2C_SCL I2C Clock Input I2C clock line for communication. 25 GPIO0 General Purpose I/O Input/Output First GPIO pin. 26 GPIO1 General Purpose I/O Input/Output Second GPIO pin. … … … … … 207 VSS Ground Ground General system ground. 208 VDD Power Supply Power Main power input.Frequently Asked Questions (FAQ)
Q1: What is the operating voltage range of the MCF5280CVM66? A1: The MCF5280CVM66 operates with a core voltage of 1.8V to 3.3V and I/O voltage range of 2.7V to 3.6V, depending on the application requirements.
Q2: Can the MCF5280CVM66 be used for automotive applications? A2: Yes, the MCF5280CVM66 is designed to meet industrial standards and can be used in automotive applications, provided it operates within the specified temperature range.
Q3: How many general-purpose I/O pins are available in the MCF5280CVM66? A3: The MCF5280CVM66 provides up to 30 general-purpose I/O pins, which can be configured as either inputs or outputs.
Q4: What is the maximum clock speed for the MCF5280CVM66? A4: The MCF5280CVM66 operates at a maximum clock speed of 66 MHz.
Q5: Does the MCF5280CVM66 support low-power modes? A5: Yes, the MCF5280CVM66 supports various low-power modes, including sleep and deep sleep modes to reduce power consumption during inactive periods.
Q6: What is the function of the SPI interface in the MCF5280CVM66? A6: The SPI interface allows for high-speed serial communication between the microcontroller and peripheral devices like sensors or memory, with support for both master and slave modes.
Q7: How do you reset the MCF5280CVM66? A7: The MCF5280CVM66 can be reset using the RESET pin, which is active low. A logic low on this pin initiates a hardware reset.
Q8: What is the role of the NMI pin? A8: The NMI (Non-Maskable Interrupt) pin is used to trigger an interrupt in the processor that cannot be masked, ensuring that high-priority tasks are handled immediately.
Q9: Can I use the MCF5280CVM66 for digital signal processing ( DSP ) tasks? A9: While the MCF5280CVM66 is a general-purpose microcontroller, it does support some basic signal processing capabilities, though it may not be as optimized for heavy DSP tasks as a dedicated DSP chip.
Q10: How do you interface the MCF5280CVM66 with external memory? A10: The MCF5280CVM66 supports interfaces like SPI, I2C, and parallel bus for connecting to external memory such as Flash, EEPROM, or SRAM.
This is a partial representation of the pin functions and FAQs. The detailed pin function table and specifications for all 208 pins would be much larger, but this provides a broad overview of the essential components. For the complete detailed specification, you can refer to the MCF5280CVM66 Datasheet available from the NXP website or technical documents.