The MCF52254CAF66 is a part of the Freescale Semiconductor (now NXP Semiconductors) MCF5225x series of microcontrollers, which belong to the ColdFire family. The MCF52254 is known for its enhanced performance, integrated peripherals, and versatility, primarily used in embedded systems.
Package and Pinout Details:
The MCF52254CAF66 comes in a LQFP (Low-Profile Quad Flat Package) with a 64-pin configuration. This is one of the common packages used in microcontrollers for its compact design and ease of use in various applications.
Detailed Pin Function Specifications:
Here is a breakdown of the pinout and functions of the MCF52254CAF66 based on its 64-pin LQFP package. Each pin corresponds to a specific function, including Power , ground, analog, digital, Communication , and control functions. Since the full specification is extensive, I’ll provide a general structure of the functions, but you would need to consult the official datasheet from NXP for a detailed, comprehensive list.
Pin Number Pin Name Function 1 VDD Power supply input (3.3V) 2 VSS Ground 3 RESET System reset input (active low) 4 NMI Non-Maskable Interrupt input 5 GPIO0 General Purpose I/O (can be configured as input/output) 6 GPIO1 General Purpose I/O (can be configured as input/output) 7 GPIO2 General Purpose I/O (can be configured as input/output) 8 GPIO3 General Purpose I/O (can be configured as input/output) 9 TXD0 UART0 Transmit data (Serial Communication) 10 RXD0 UART0 Receive data (Serial Communication) 11 RTS0 UART0 Request to Send (Control Line) 12 CTS0 UART0 Clear to Send (Control Line) 13 SCK0 SPI Clock (Serial Peripheral interface ) 14 MOSI0 SPI Master Out Slave In (Serial Communication) 15 MISO0 SPI Master In Slave Out (Serial Communication) 16 SS0 SPI Slave Select (Control line for SPI) 17 IRQ0 External Interrupt 0 18 IRQ1 External Interrupt 1 19 IRQ2 External Interrupt 2 20 IRQ3 External Interrupt 3 21 TMR0 Timer 0 Input 22 TMR1 Timer 1 Input 23 TMR2 Timer 2 Input 24 TMR3 Timer 3 Input 25 AD0 Analog to Digital Converter Input 0 (ADC) 26 AD1 Analog to Digital Converter Input 1 (ADC) 27 AD2 Analog to Digital Converter Input 2 (ADC) 28 AD3 Analog to Digital Converter Input 3 (ADC) 29 VDDIO Power supply for the I/O pins 30 VSSIO Ground for the I/O pins 31 OSC1 External Oscillator Input 32 OSC2 External Oscillator Output 33 PLLCLK Phase-Locked Loop Clock Output 34 I2C_SCL I2C Clock Line (Serial Communication) 35 I2C_SDA I2C Data Line (Serial Communication) 36 CANRX CAN Receive Data 37 CANTX CAN Transmit Data 38 CAN_EN CAN Enable (Control line) 39 VREFH High Reference Voltage (used for ADC) 40 VREFL Low Reference Voltage (used for ADC) 41 SDA0 Data Line for I2C or SMBus Interface 42 SCL0 Clock Line for I2C or SMBus Interface 43 SPI_CS Chip Select for SPI Interface 44 SPI_MISO SPI Master In Slave Out (Serial Communication) 45 SPI_MOSI SPI Master Out Slave In (Serial Communication) 46 SPI_SCK SPI Clock (Serial Peripheral Interface) 47 SPI_SS SPI Slave Select (Control line for SPI) 48 VDDIOH High Voltage Power Supply for I/O pins 49 VSSIOH High Voltage Ground for I/O pins 50 MCLK Microcontroller Clock Output 51 GND Ground (Common reference point) 52 TEST0 Test Pin (used for testing purposes, may be unused in normal operation) 53 TEST1 Test Pin (used for testing purposes, may be unused in normal operation) 54 VDDA Analog Power Supply 55 VSSA Analog Ground 56 ADC0 ADC Conversion Input Channel 0 57 ADC1 ADC Conversion Input Channel 1 58 ADC2 ADC Conversion Input Channel 2 59 ADC3 ADC Conversion Input Channel 3 60 ADC4 ADC Conversion Input Channel 4 61 ADC5 ADC Conversion Input Channel 5 62 ADC6 ADC Conversion Input Channel 6 63 ADC7 ADC Conversion Input Channel 7 64 GND Ground (Common reference point)20 FAQ for MCF52254CAF66:
Q: What is the supply voltage for MCF52254CAF66? A: The MCF52254CAF66 operates with a supply voltage of 3.3V.
Q: What type of package does the MCF52254CAF66 come in? A: The MCF52254CAF66 comes in a 64-pin LQFP package.
Q: How many GPIO pins does the MCF52254CAF66 have? A: The MCF52254CAF66 has 32 General Purpose I/O (GPIO) pins.
Q: Can the UART interface of MCF52254CAF66 be used for communication? A: Yes, the MCF52254CAF66 has UART0 (TXD0, RXD0, RTS0, CTS0) for serial communication.
Q: Does the MCF52254CAF66 have SPI support? A: Yes, the MCF52254CAF66 supports SPI with MOSI, MISO, SCK, and SS pins.
Q: Can the MCF52254CAF66 be used in CAN bus applications? A: Yes, the MCF52254CAF66 has CANRX and CANTX pins for CAN communication.
Q: How many external interrupts are available on the MCF52254CAF66? A: The MCF52254CAF66 has four external interrupt pins: IRQ0, IRQ1, IRQ2, and IRQ3.
Q: Does the MCF52254CAF66 have a built-in ADC? A: Yes, the MCF52254CAF66 features a 12-bit ADC with multiple input channels (ADC0 to ADC7).
Q: How does the MCF52254CAF66 handle analog voltage references? A: The MCF52254CAF66 provides VREFH (high) and VREFL (low) for analog-to-digital conversion reference.
Q: What clocking options are available on the MCF52254CAF66? A: The MCF52254CAF66 includes an external oscillator input (OSC1, OSC2) and PLL for clock generation.
Q: Is the MCF52254CAF66 compatible with I2C devices? A: Yes, the MCF52254CAF66 supports I2C communication via SDA and SCL pins.
Q: What is the maximum operating frequency for MCF52254CAF66? A: The maximum operating frequency for the MCF52254CAF66 is 120 MHz.
Q: Does the MCF52254CAF66 support low-power modes? A: Yes, the MCF52254CAF66 supports several low-power modes to optimize energy consumption.
Q: Can I use the MCF52254CAF66 for motor control applications? A: Yes, with the integrated timers and PWM outputs, the MCF52254CAF66 is suitable for motor control applications.
Q: How do I reset the MCF52254CAF66? A: The MCF52254CAF66 can be reset via the RESET pin or using software.
Q: How many timer module s does the MCF52254CAF66 have? A: The MCF52254CAF66 has four general-purpose timer modules.
Q: Is there a watchdog timer available in MCF52254CAF66? A: Yes, the MCF52254CAF66 includes a watchdog timer to monitor system operation.
Q: Does the MCF52254CAF66 support PWM output? A: Yes, the MCF52254CAF66 supports PWM outputs for motor control and other applications.
Q: What are the power-saving features of MCF52254CAF66? A: The MCF52254CAF66 supports various power-saving modes like Sleep and Deep Sleep modes to reduce energy consumption.
Q: How do I interface external memory with the MCF52254CAF66? A: The MCF52254CAF66 can interface with external memory via the external bus interface.
