參數(shù)資料
型號(hào): EPC4QC100N
廠(chǎng)商: Altera
文件頁(yè)數(shù): 6/36頁(yè)
文件大?。?/td> 0K
描述: IC CONFIG DEVICE 4MBIT 100-PQFP
產(chǎn)品培訓(xùn)模塊: Three Reasons to Use FPGA's in Industrial Designs
標(biāo)準(zhǔn)包裝: 66
系列: EPC
可編程類(lèi)型: 系統(tǒng)內(nèi)可編程
存儲(chǔ)容量: 4Mb
電源電壓: 3 V ~ 3.6 V
工作溫度: 0°C ~ 70°C
封裝/外殼: 100-BQFP
供應(yīng)商設(shè)備封裝: 100-PQFP(14x20)
包裝: 托盤(pán)
產(chǎn)品目錄頁(yè)面: 604 (CN2011-ZH PDF)
其它名稱(chēng): 544-1378
EPC4QC100N-ND
Page 14
Functional Description
Enhanced Configuration (EPC) Devices Datasheet
January 2012
Altera Corporation
The EPC device controller chip accesses flash memory during:
FPGA configuration—reading configuration data from flash
JTAG-based flash programming—storing configuration data in flash
At POR—reading option bits from flash
During these operations, the external FPGA or processor must tri-state its interface to
the flash memory. After configuration and programming, the EPC device’s controller
tri-states the internal interface and goes into an idle mode. To interrupt a
configuration cycle in order to access the flash using the external flash interface, the
external device can hold the FPGA’s nCONFIG input low. This keeps the configuration
device in reset by holding the nSTATUS-OE line low, allowing external flash access.
f For more information about the software support for the external flash interface
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