Overview
The MCF51AC256ACPUE is a 32-bit microcontroller from NXP USA Inc., part of the ColdFire® family. This microcontroller is based on the V1 ColdFire core and is designed to offer a highly integrated and diverse feature set, making it an ideal upgrade for designs based on 8-bit microcontrollers like the MC9S08AC128 series.
Key Specifications
| Feature | Specification |
|---|---|
| Processor Core | V1 ColdFire core with background debug module (BDM) |
| Processor Speed | Up to 50.33 MHz |
| Flash Memory | Up to 256 KB |
| SRAM | Up to 32 KB |
| Analog Comparators | Up to two analog comparators (ACMP) |
| Analog-to-Digital Converter (ADC) | Up to 24 channels, 12-bit resolution |
| Controller Area Network (CAN) | Yes (depending on the specific variant) |
| Cyclic Redundancy Check (CRC) | Yes |
| Inter-Integrated Circuit (IIC) | Yes |
| Serial Communications Interfaces (SCI) | Two SCI interfaces |
| Serial Peripheral Interfaces (SPI) | Up to two SPI interfaces |
| Timer Modules | Two flexible timer modules (FTM), Timer Pulse-Width Modulator (TPM) |
| Package Type | 64-LQFP (10 mm x 10 mm) |
Key Features
- V1 ColdFire Core: Provides high performance with a 32-bit variable-length reduced instruction set (RISC) architecture.
- Memory and Storage: Up to 256 KB of flash memory and up to 32 KB of static RAM (SRAM).
- Analog Capabilities: Includes up to two analog comparators and a 24-channel, 12-bit analog-to-digital converter (ADC).
- Communication Interfaces: Features two serial communications interfaces (SCI), up to two serial peripheral interfaces (SPI), and a controller area network (CAN) module in some variants.
- Timer and Clocking: Includes two flexible timer modules (FTM) and a timer pulse-width modulator (TPM), along with a multipurpose clock generator (MCG).
- Debug and Security: Equipped with a background debug module (BDM) and cyclic redundancy check (CRC) for enhanced debugging and data integrity.
Applications
The MCF51AC256ACPUE is versatile and can be used in a variety of applications, including:
- Industrial Control Systems: Suitable for controlling and monitoring industrial processes due to its CAN and other communication interfaces.
- Automotive Systems: Can be used in automotive applications requiring robust communication and control capabilities.
- Medical Devices: Its analog capabilities and precision make it suitable for medical device applications.
- Consumer Electronics: Can be used in various consumer electronics requiring advanced control and communication features.
Q & A
- What is the processor core of the MCF51AC256ACPUE?
The processor core is the V1 ColdFire core with a background debug module (BDM).
- What is the maximum processor speed of the MCF51AC256ACPUE?
The maximum processor speed is up to 50.33 MHz.
- How much flash memory does the MCF51AC256ACPUE have?
The MCF51AC256ACPUE has up to 256 KB of flash memory.
- What types of communication interfaces does the MCF51AC256ACPUE support?
The MCF51AC256ACPUE supports two SCI interfaces, up to two SPI interfaces, and a CAN module in some variants.
- Does the MCF51AC256ACPUE have analog-to-digital conversion capabilities?
Yes, it includes a 24-channel, 12-bit analog-to-digital converter (ADC).
- What is the package type of the MCF51AC256ACPUE?
The package type is 64-LQFP (10 mm x 10 mm).
- Is the MCF51AC256ACPUE suitable for automotive applications?
Yes, it is suitable for automotive applications due to its robust communication and control capabilities.
- Does the MCF51AC256ACPUE have a background debug module?
Yes, it is equipped with a background debug module (BDM).
- What is the purpose of the cyclic redundancy check (CRC) in the MCF51AC256ACPUE?
The CRC is used for enhancing data integrity and detecting errors in data transmission.
- Can the MCF51AC256ACPUE operate in low-power modes?
Yes, it can operate in low-power modes to reduce noise and conserve energy.
