參數(shù)資料
型號: EPC8QI100
廠商: Altera
文件頁數(shù): 14/36頁
文件大?。?/td> 0K
描述: IC CONFIG DEVICE 8MBIT 100-PQFP
產(chǎn)品培訓模塊: Three Reasons to Use FPGA's in Industrial Designs
標準包裝: 66
系列: EPC
可編程類型: 系統(tǒng)內(nèi)可編程
存儲容量: 8Mb
電源電壓: 3 V ~ 3.6 V
工作溫度: -40°C ~ 85°C
封裝/外殼: 100-BQFP
供應商設(shè)備封裝: 100-PQFP(14x20)
包裝: 托盤
產(chǎn)品目錄頁面: 604 (CN2011-ZH PDF)
其它名稱: 544-1239
Functional Description
Page 21
Enhanced Configuration (EPC) Devices Datasheet
January 2012
Altera Corporation
Programming using External Flash Interface
This method allows parallel programming of the flash memory using the 16-bit data
bus. An external processor or FPGA acts as the flash controller and has access to
programming data using a communication link such as UART, Ethernet, and PCI. In
addition to the program, erase, and verify operations, the external flash interface
supports block or sector protection instructions.
External flash interface programming is only allowed when the configuration
controller has relinquished flash access by tri-stating its internal interface. If the
controller has not relinquished flash access during configuration or JTAG-based ISP,
you must hold the controller in reset before initiating external programming. The
controller can be reset by holding the FPGA nCONFIG line at a logic low level. This
keeps the controller in reset by holding the nSTATUS-OE line low, allowing external
flash access.
1 If initial programming of the EPC device is done in-system using the external flash
interface, the controller must be kept in reset by driving the FPGA nCONFIG line low to
prevent contention on the flash interface.
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