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5M1270ZT64I4N 参数 Datasheet PDF下载

5M1270ZT64I4N图片预览
型号: 5M1270ZT64I4N
PDF下载: 下载PDF文件 查看货源
内容描述: MAX V器件手册 [MAX V Device Handbook]
分类和应用:
文件页数/大小: 166 页 / 4016 K
品牌: ALTERA [ ALTERA CORPORATION ]
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Chapter 2: MAX V Architecture  
2–23  
User Flash Memory Block  
Program, Erase, and Busy Signals  
The UFM block’s dedicated circuitry automatically generates the necessary internal  
program and erase algorithm after the PROGRAMor ERASEinput signals have been  
asserted. The PROGRAMor ERASEsignal must be asserted until the busy signal deasserts,  
indicating the UFM internal program or erase operation has completed. The UFM  
block also supports JTAG as the interface for programming and reading.  
f For more information about programming and erasing the UFM block, refer to the  
User Flash Memory in MAX V Devices chapter.  
Auto-Increment Addressing  
The UFM block supports standard read or stream read operations. The stream read is  
supported with an auto-increment address feature. Deasserting the ARSHIFTsignal  
while clocking the ARCLKsignal increments the address register value to read  
consecutive locations from the UFM array.  
Serial Interface  
The UFM block supports a serial interface with serial address and data signals. The  
internal shift registers within the UFM block for address and data are 9 bits and 16 bits  
wide, respectively. The Quartus II software automatically generates interface logic in  
LEs for a parallel address and data interface to the UFM block. Other standard  
protocol interfaces such as SPI are also automatically generated in LE logic by the  
Quartus II software.  
f For more information about the UFM interface signals and the Quartus II LE-based  
alternate interfaces, refer to the User Flash Memory in MAX V Devices chapter.  
December 2010 Altera Corporation  
MAX V Device Handbook  
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