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参数资料
| 型号： | MCF5407FT220 |
| 厂商： | MOTOROLA INC |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 32-BIT, 220 MHz, RISC PROCESSOR, PQFP208 |
| 封装： | 28 X 28 MM, 0.50 MM PITCH, PLASTIC, FQFP-208 |
| 文件页数： | 34/35页 |
| 文件大小： | 441K |
| 代理商： | MCF5407FT220 |
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MCF5407 Integrated ColdFire Microprocessor Product Brief
MOTOROLA
ColdFire Module Description
1.3.2
Harvard Architecture
A Harvard memory architecture is implemented to support the increased bandwidth requirements of the V4
processor pipelines. In this design featuring separate instruction and data buses to the processor-local
memories, available bandwidth to the processor reaches 1.3 Gbytes/S at 162 MHz and conflicts between
instruction fetches and operand accesses are removed.
1.3.2.1
16-Kbyte Instruction Cache/8-Kbyte Data Cache
Attached to the Harvard memory architecture are a 16-Kbyte instruction cache and an 8-Kbyte data cache.
These four-way, set-associative designs improve system performance by providing pipelined, single-cycle
access on instruction fetches and operand accesses that hit in these memories.
As with all ColdFire caches, these controllers implement a non-lockup, streaming design to maximize
performance. The use of processor-local memories decouples performance from external memory speeds
and increases available bandwidth for external devices or the on-chip 4-channel DMA.
Both caches implement line-fill buffers to optimize the performance of line-sized (16-byte) burst accesses.
Additionally, the data cache supports operation of copyback, write-through or noncacheable modes. A
4-entry, 32-bit buffer is used for cache line push operations and can be configured for deferred write
buffering while in write-through or non-cacheable modes.
The new INTOUCH instruction can be used to prefetch instructions to be locked in the instruction cache
using the cache locking feature. This function may be desirable in certain systems where deterministic
real-time performance is critical.
1.3.2.2
Internal 2-Kbyte SRAMs
The two 2-Kbyte on-chip SRAM modules are also connected to the Harvard memory architecture, and
provide pipelined, single-cycle access to those memory regions mapped to these devices. Each memory can
be independently mapped to any 0-modulo-2K location within the 4-Gbyte address space, and configured
to respond either to instruction or to data accesses. Time-critical functions can be mapped onto the
instruction memory bus, while the system stack and/or heavily-referenced data operands can be mapped
onto the data memory bus.
1.3.3
DRAM Controller
The MCF5407 DRAM controller provides a direct interface for up to two blocks of DRAM. The controller
supports 8-, 16-, or 32-bit memory widths, and can easily interface to PC-100 DIMMs. A unique addressing
scheme allows for increases in system memory size without rerouting address lines and rewiring boards.
The controller operates in normal mode or in page mode and supports SDRAMs and EDO DRAMs.
1.3.4
DMA Controller
The MCF5407 provides four fully-programmable DMA channels for quick data transfer. Dual- and
single-address modes provide the ability to program bursting and cycle steal. Data transfers are 32 bits long
with packing and unpacking supported along with an auto-alignment option for efficient block transfers.
Automatic block transfers from on-chip serial UARTs are also supported through the DMA channels.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MCF54410CMF250 | 制造商:Freescale Semiconductor 功能描述:MCF54410CMF250 - Bulk |
| MCF54415CMJ250 | 功能描述:微处理器 - MPU COLDFIREV4M CORE C90LP RoHS:否 制造商:Atmel 处理器系列:SAMA5D31 核心:ARM Cortex A5 数据总线宽度:32 bit 最大时钟频率:536 MHz 程序存储器大小:32 KB 数据 RAM 大小:128 KB 接口类型:CAN, Ethernet, LIN, SPI,TWI, UART, USB 工作电源电压:1.8 V to 3.3 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:FBGA-324 |
| MCF54415CMJ250 | 制造商:Freescale Semiconductor 功能描述:IC 32-BIT MCU COLDFIRE 250MHZ 256-MA |
| MCF54416CMJ250 | 功能描述:微处理器 - MPU COLDFIREV4M CORE C90LP RoHS:否 制造商:Atmel 处理器系列:SAMA5D31 核心:ARM Cortex A5 数据总线宽度:32 bit 最大时钟频率:536 MHz 程序存储器大小:32 KB 数据 RAM 大小:128 KB 接口类型:CAN, Ethernet, LIN, SPI,TWI, UART, USB 工作电源电压:1.8 V to 3.3 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:FBGA-324 |
| MCF54416CMJ250 | 制造商:Freescale Semiconductor 功能描述:IC 32-BIT MPU COLDFIRE 250MHZ 256-MA |
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