8-bit Flexis® AC128/96/60/48/32 MCUs
Design Files
Receive the full breakdown. See the product footprint and more in the eCad file.
- ColdFire Microcontrollers
- Flexis 32-Bit ColdFire. V1 Microcontrollers
Flexis 32-Bit ColdFire. V1 Microcontrollers
The MCF51AC family, comprised of pin-compatible 8-bit and 32-bit device duos, is the third family in the Flexis® series. The Flexis series of controllers is the connection point on the NXP® Controller Continuum, where 8- and 32-bit compatibility becomes reality.
The MCF51AC256/128 device extends the low end of the 32-bit ColdFire® controller family with up to 256 KB flash memory, a controller area network (CAN) module, a 16-bit FlexTimer module, 24-channel, 12-bit analog-to-digital converter (ADC) and delivers up to 25 MHz in bus frequency. The 32-bit MCF51AC256/128 is pin-, peripheral- and tool-compatible with the 8-bit S08AC128/96/60/48/32 devices. They share a common set of peripherals and development tools to deliver the ultimate in migration flexibility.
Product Details
Block Diagram
Features
- V1 ColdFire® core with background debug module
- Up to 256 KB of flash memory
- Up to 32 KB of static RAM (SRAM)
- Up to two analog comparators (ACMP)
- ADC with up to 24 channels
- CAN
- Cyclic redundancy check (CRC)
- Inter-integrated circuit (IIC)
- Keyboard interrupt (KBI)
- Multipurpose clock generator (MCG)
- Rapid general-purpose input/output (RGPIO)
- Two serial communications interfaces (SCI)
- Up to two serial peripheral interfaces (SPI)
- Two flexible timer modules (FTM)
- Timer pulse-width modulator (TPM)
- The MCF51AC256 is included in NXP®.s product longevity program, with assured supply for a minimum of 10 years after launch
Part numbers include: MCF51AC128ACFUE, MCF51AC128ACLKE, MCF51AC128ACPUE, MCF51AC128AVFUE, MCF51AC128AVLKE, MCF51AC128AVPUE, MCF51AC128CCFGE, MCF51AC128CCFUE, MCF51AC128CCLKE, MCF51AC128CCPUE, MCF51AC128CVFUE, MCF51AC128CVLKE, MCF51AC256ACFUE, MCF51AC256ACLKE, MCF51AC256ACPUE, MCF51AC256AVFUE, MCF51AC256AVLKE, MCF51AC256AVPUE, MCF51AC256BCFGE, MCF51AC256BCFUE, MCF51AC256BCLKE, MCF51AC256BCPUE, MCF51AC256BVFUE, MCF51AC256BVLKE, MCF51AC256BVPUE.
MCF51AC Family Members
| Features | MCF51AC256 | MCF51AC128 |
|---|---|---|
| CORE Speed (MHz) | 50 | 50 |
| FLASH | 256,000 | 128,000 |
| RAM | 32,000 | 32,000/16,000 |
| GPIO | 69/54 | 69/54 |
| RGPIO | 16 | 16 |
| KBI | 8 | 8 |
| ADC Channels (12-bit) | 24 | 24 |
| ACMP | 2 | 2 |
| Serial Communications | I²C
Two SCI Two SPI CAN |
I²C
Two SCI Two SPI CAN1 |
| FlexTimer Module (FTM) | FTM1 6-channels
FTM2 up to 6-channels |
FTM1 6-channels
FTM2 up to 6-channels |
| Timers (TPM) | Two Timer 2-channels | Two Timer 2-channels |
| Package | 80-Pin LQFP 64-Pin LQFP 64-Pin QFP | 80-Pin LQFP 64-Pin LQFP 64-Pin QFP |
1 .- The members of MCF51AC128 with CAN support have 32 KB RAM. The other members have 16 KB RAM and not all members of the family support CAN
The EMC performance of an application using this microcontroller is dependent on a number of factors that are outside the control of NXP Semiconductor. These factors include but are not limited to industrial design, mechanical design, printed circuit board design and layout, components, connectors, and cables. NXP Semiconductor is unable to guarantee the EMC performance of any microcontroller in a specific application. Careful consideration must be made when designing any application to ensure the necessary level of EMC. For more information on designing robust EMC systems please refer to application note AN2764.
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Documentation
Quick reference to our documentation types.
1-5 of 18 documents
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Fact Sheet
MCF51AC256/128 Fact SheetFeatured
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Data Sheet
MCF51AC256 Series ColdFire® Microcontroller - Data SheetFeatured
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Reference Manual
MCF51AC256 ColdFire® ® Integrated Microcontroller - Reference ManualFeatured
Design Resources
Hardware
Quick reference to our
board types.
1-5 of 7 hardware offerings
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Emulators, Probes, and ProgrammersUniversal Multilink Development InterfaceFeatured
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Evaluation and Development BoardsFlexis AC Demonstration BoardFeatured
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Emulators, Probes, and ProgrammersPEmicro Cyclone programmer
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Additional hardware available. View our featured partner solutions.
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Emulators, Probes, and ProgrammersPEmicro Cyclone FX programmer
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Emulators, Probes, and ProgrammersUniversal Multilink FX High-Speed Development Interface
Software
Quick reference to our software types.
1-5 of 13 software files
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BSPs and Device Drivers
Graphical LCD Driver for MCUs/MPUsFeatured
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Configuration Tools
Embedded Component: NXP®.AN
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Configuration Tools
Processor Expert® Software – Component Development Environment v1.0.4
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Additional software available. View our featured partner solutions.
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Configuration Tools
Embedded Component: NXPAnalogComp
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Application Example Software
Sensorless PMSM Vector Control on MCF51AC256
Note: For better experience, software downloads are recommended on desktop.
Engineering Services
To get further assistance directly from NXP, please see our Engineering Services.
1 engineering service
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Independent Design House (IDH)
Hardware/Software development and testing
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To find additional partner offerings that support this product, visit our Partner Marketplace.