參數(shù)資料
型號: MCF5481CZP166
廠商: MOTOROLA INC
元件分類: 微控制器/微處理器
英文描述: 32-BIT, 166.66 MHz, RISC PROCESSOR, PBGA388
封裝: 27 X 27 MM, 1 MM PITCH, PLASTIC, MS-034AAL-1, BGA-388
文件頁數(shù): 82/96頁
文件大?。?/td> 2006K
代理商: MCF5481CZP166
MOTOROLA
MCF548x Integrated Microprocessor Hardware Specifications
83
PRELIMINARY—SUBJECT TO CHANGE WITHOUT NOTICE
Document Revision History
Figure 33. DDR Write Timing
6
The first data beat will be valid before the first rising edge of SDDQS and after the SDDQS write preamble. The
remaining data beats will be valid for each subsequent SDDQS edge.
7
This specification relates to the required hold time of today’s DDR memories. SDDATA[31:24] is relative to
SDDQS3, SDDATA[23:16] is relative to SDDQS2, SDDATA[15:8] is relative to SDDQS1, and SDDATA[7:0] is
relative SDDQS0.
8
Data input skew is derived from each SDDQS clock edge. It begins with a SDDQS transition and ends when the last
data line becomes valid. This input skew must include DDR memory output skew and system level board skew (due
to routing or other factors).
9
Data input hold is derived from each SDDQS clock edge. It begins with a SDDQS transition and ends when the first
data line becomes invalid.
SDCLK0
SDCLK1
SDCSn,SDWE,
SDDM
SDDATA
SDADDR,
RAS, CAS
SDBA[1:0]
CMD
ROW
DD1
DD5
DD4
COL
WD1WD2 WD3WD4
DD7
SDDQS
DD8
DD7
SDCLK0
SDCLK1
DD3
DD2
DD6
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MCF5482CZP166 功能描述:微處理器 - MPU MCF548X 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 安裝風格:SMD/SMT 封裝 / 箱體:FBGA-324
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