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The MCF548X ColdFire microprocessors are based on the ColdFire V4e core and feature multiple connectivity peripherals including Ethernet, CAN, PCI and other serial interfaces. Additionally, they offer an encryption accelerator for secure communications in network connected control applications. The MCF548x family is pin-compatible with the MCF547x family of microprocessors offering scalability and flexibility for designs that evolve over time.
Features
- ColdFire V4e core delivering up to 308 (Dhrystone 2.1) MIPS @ 200 MHz
- Memory management unit (MMU)
- Dual precision floating point (FPU)
- Enhaced multiply-accumulate (eMAC) module handles DSP-like instructions
- 32 KB I-cache
- 32 KB D-cache
- 32 KB on-chip system SRAM
- 32-bit 133 MHz DDR/SDR-SDRAM controller
- Connectivity:
- 10/100 fast ethernet controller (FEC)
- CAN 2.0B
- PCI Interface V2.2; 33/66 MHz; five external masters
- Serial peripheral interface with direct memory access (DMA) capability
- I²C interface
- 16-channel DMA controller
- Security:
- Hardware-acceleration encryption (DES, 3DES, RC4, AES, MD5, SHA-1, RNG)
- 388 PBGA package
Featured Documentation
- MCF5485RM: MCF548x Reference Manual
- USCFDEVEVBFS: USCFDEVEVBFS ColdFire Development Tools
- BRCOLDFIRESUM: 32-bit ColdFire MCU and MPU Product Summary Page
Featured Software and Tools
- CWX-MCU-LLPLT-EX: Evaluation: CodeWarrior for Microcontrollers 10.4 (Eclipse, Offline)
- CWX-MCU-SELH: Special Edition: CodeWarrior for Microcontrollers 10.4 (Eclipse, Offline)
- CWX-MCU-PROED-EX: Evaluation: CodeWarrior for Microcontrollers 10.4 (Eclipse, Online)
- CWX-MCU-SE: Special Edition: CodeWarrior for Microcontrollers 10.4 (Eclipse, Online)
- M5485EVB: MCF5485 Evaluation Board
- M5484LITE: (ARCHIVED) MCF5484 LITE Evaluation Kit
- UMultilink: Universal Multilink Development Interface
- USBMLCF: USB ColdFire Multlink
Target Applications
- Industrial
- Mobile Robot (Battery Operated)
- Electronic Point-of-Sales (ePOS) Terminals
- Security Systems
MCF548X Family Members
| MCF5480 | MCF5481 | MCF5482 | MCF5483 | MCF5484 | MCF5485 | |
| Core: Operating Frequency | 166 MHz | 166 MHz | 166 MHz | 166 MHz | 200 MHz | 200 MHz |
| MIPS | 255 | 255 | 255 | 255 | 308 | 308 |
| External Bus Interface | Flexbus | Flexbus | Flexbus | Flexbus | Flexbus | Flexbus |
| Cache | 64 KB | 64 KB | 64 KB | 64 KB | 64 KB | 64 KB |
| External Memory Supported | DDR | DDR | DDR | DDR | DDR | DDR |
| Ethernet | 10/100MbT Ethernet MII | 10/100MbT Ethernet MII | 10/100MbT Ethernet MII | 10/100MbT Ethernet MII | 10/100MbT Ethernet MII | 10/100MbT Ethernet MII |
| Additional Features | Floating Point Unit (FPU) Memory Management Unit (MMU) | Encryption Hardware Accelerato Floating Point Unit (FPU) Memory Management Unit (MMU) | Floating Point Unit (FPU) Memory Management Unit (MMU) | Encryption Hardware Accelerato Floating Point Unit (FPU) Memory Management Unit (MMU) | Floating Point Unit (FPU) Memory Management Unit (MMU) | Encryption Hardware Accelerato Floating Point Unit (FPU) Memory Management Unit (MMU) |
| CAN |
Product Specifications
| Bus Frequency - Max (MHz) | 200, 166 |
| Internal RAM (KB) | 32 |
| Cache (KB) | 64 |
| External Memory Supported | DDR |
| Serial Interface - Type | CAN, PCI V2.2, SPI, I2C, Ethernet |
| Total DMA Channels | 16 |
| I/O Pins | 99 |
| Additional Features | Encryption Hardware Accelerato, Floating Point Unit (FPU), Memory Management Unit (MMU) |
