參數(shù)資料
型號: MCF54454VR266
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 32-BIT, 266 MHz, RISC PROCESSOR, PBGA360
封裝: 23 X 23 MM, ROHS COMPLIANT, TEPBGA-360
文件頁數(shù): 23/48頁
文件大?。?/td> 945K
代理商: MCF54454VR266
MCF5445x ColdFire Microprocessor Data Sheet, Rev. 6
Freescale Semiconductor
3
Figure 1. MCF54455 Block Diagram
Version 4 ColdFire Core
LEGEND
2 INTCs
DSPI
EPORT
3 UARTs
I2C
Watchdog
4 DMA
RTC
ATA
Advanced Technology Attachment Controller
BDM
– Background debug module
CAU
– Cryptography acceleration unit
DSPI
– DMA serial peripheral interface
eDMA
– Enhanced direct memory access
EMAC
– Enchance multiply-accumulate unit
EPORT
– Edge port module
FEC
– Fast Ethernet controller
GPIO
– General Purpose Input/Output
I2C
– Inter-Intergrated Circuit
INTC
Interrupt controller
JTAG
– Joint Test Action Group interface
MMU
– Memory management unit
PCI
– Peripheral Component Interconnect
PIT
– Programmable interrupt timers
PLL
– Phase locked loop module
RNG
– Random Number Generator
RTC
– Real time clock
SSI
– Synchronous Serial Interface
USB OTG – Universal Serial Bus On-the-Go controller
MCF54455
EMAC
2 FECs
Crossbar Switch (XBS)
32K
SRAM
Peripheral Bridge
CAU
16K
Instruction
Cache
16K
Data
Cache
Timers
BDM
ATA
SDRAM
Controller
FlexBus
eDMA
USB OTG
4 PITs
SSI
RNG
GPIO
MMU
Hardware
Divide
Oscillator
PLL
JTAG
PCI
Serial Boot
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