參數(shù)資料
型號: MCF5471ZP200
廠商: MOTOROLA INC
元件分類: 微控制器/微處理器
英文描述: 32-BIT, 200 MHz, RISC PROCESSOR, PBGA388
封裝: 27 X 27 MM, 1 MM PITCH, PLASTIC, MS-034AAL-1, BGA-388
文件頁數(shù): 76/96頁
文件大小: 2003K
代理商: MCF5471ZP200
78
MCF547x Integrated Microprocessor Hardware Specifications
MOTOROLA
PRELIMINARY—SUBJECT TO CHANGE WITHOUT NOTICE
Document Revision History
Figure 29. FlexBus Write Timing
A.9
SDRAM Bus
The SDRAM controller supports accesses to main SDRAM memory from any internal master. It supports
either standard SDRAM or double data rate (DDR) SDRAM, but it does not support both at the same time.
The SDRAM controller uses SSTL2 and SSTL3 I/O drivers. Both SSTL drive modes are programmable for
either Class I or Class II drive strength.
A.9.1
SDR SDRAM AC Timing Characteristics
The following timing numbers indicate when data will be latched or driven onto the external bus, relative
to the memory bus clock, when operating in SDR mode on write cycles and relative to SDR_DQS on read
cycles. The MCF547X SDRAM controller is a DDR controller that has an SDR mode. Because it is
designed to support DDR, a DQS pulse must still be supplied to MCF547X for each data beat of an SDR
read. MCF547X accomplishes this by asserting a signal called SDR_DQS during read cycles. Care must be
taken during board design to adhere to the following guidelines and specs with regard to the SDR_DQS
signal and its usage.
CLKIN
AD[X:0]
AD[31:Y]
R/W
TS
TSIZ[1:0]
FBCSn, BE/BWEn
TA
FB1
A[X:0]
A[31:Y]
DATA
FB2
FB3
TSIZ[1:0]
FB3
FB6
FB7
OE
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MCF5472 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:MCF547x Integrated Microprocessor Electrical Characteristics
MCF5472EC 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:MCF547x ColdFire Microprocessor
MCF5472VR200 功能描述:微處理器 - MPU MCF547X V4ECORE MMU FPU RoHS:否 制造商:Atmel 處理器系列:SAMA5D31 核心:ARM Cortex A5 數(shù)據(jù)總線寬度:32 bit 最大時鐘頻率:536 MHz 程序存儲器大小:32 KB 數(shù)據(jù) RAM 大小:128 KB 接口類型:CAN, Ethernet, LIN, SPI,TWI, UART, USB 工作電源電壓:1.8 V to 3.3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FBGA-324
MCF5472ZP200 功能描述:微處理器 - MPU MCF547X V4ECORE MMU FPU RoHS:否 制造商:Atmel 處理器系列:SAMA5D31 核心:ARM Cortex A5 數(shù)據(jù)總線寬度:32 bit 最大時鐘頻率:536 MHz 程序存儲器大小:32 KB 數(shù)據(jù) RAM 大小:128 KB 接口類型:CAN, Ethernet, LIN, SPI,TWI, UART, USB 工作電源電壓:1.8 V to 3.3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FBGA-324
MCF5473 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:MCF547x Integrated Microprocessor Electrical Characteristics