參數(shù)資料
型號(hào)： 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)： 25/96頁
文件大?。?/td> 2003K
代理商： MCF5471ZP200
MOTOROLA
MCF547x Integrated Microprocessor Hardware Specifications
31
PRELIMINARY—SUBJECT TO CHANGE WITHOUT NOTICE
Signal Description
1.5.1.2.4
SDRAM Row Address Strobe (RAS)
This output is the SDRAM synchronous row address strobe.
1.5.1.2.5
SDRAM Column Address Strobe (CAS)
This output is the SDRAM synchronous column address strobe.
1.5.1.2.6
SDRAM Chip Selects (SDCS[3:0])
These signals interface to the chip select lines of the SDRAMs within a memory block. Thus, there is one
SDCS line for each memory block (the MCF547x supports up to four SDRAM memory blocks).
1.5.1.2.7
SDRAM Write Data Byte Mask (SDDM[3:0])
These output signals are sampled by the SDRAM on both edges of SDDQS to determine which byte lanes
of the SDRAM data bus should be latched during a write cycle. In DDR mode, these bits are ignored during
read operations.
1.5.1.2.8
SDRAM Data Strobe (SDDQS[3:0])
These bidirectional signals indicate when valid data is on the SDRAM data bus when in DDR mode.
1.5.1.2.9
SDRAM Clock (SDCLK[1:0])
These signals are the output clock for SDRAM cycles.
1.5.1.2.10 Inverted SDRAM Clock (SDCLK[1:0])
These signals are the inverted version of the SDRAM clock. They are used with SDCLK to provide the
differential clocks for DDR SDRAM.
1.5.1.2.11 SDRAM Write Enable (SDWE)
The SDRAM write enable (SDWE) is asserted to signify that an SDRAM write cycle is underway. A read
cycle is indicated by the negation of SDWE.
1.5.1.2.12 SDRAM Clock Enable (SDCKE)
This output is the SDRAM clock enable. SDCKE is negated to put the SDRAM into low-power, self-refresh
mode.
1.5.1.2.13 SDR SDRAM Data Strobe (SDRDQS)
This signal is connected to SDDQS inputs. Used in SDR mode only.
1.5.1.2.14 SDRAM Reference Voltage (VREF)
Output reference voltage for differential SSTL_2 inputs. Used in both DDR and SDR modes.
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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(shí)鐘頻率:536 MHz 程序存儲(chǔ)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(shí)鐘頻率:536 MHz 程序存儲(chǔ)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
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