Figure 2-14. DCS Waveforms sysMEM Memory The LatticeECP/EC devices contain a number of sysMEM" />
參數(shù)資料
型號(hào): LFEC20E-3FN672I
廠商: Lattice Semiconductor Corporation
文件頁數(shù): 57/163頁
文件大小: 0K
描述: IC FPGA 19.7KLUTS 672FPBGA
標(biāo)準(zhǔn)包裝: 40
系列: EC
邏輯元件/單元數(shù): 19700
RAM 位總計(jì): 434176
輸入/輸出數(shù): 400
電源電壓: 1.14 V ~ 1.26 V
安裝類型: 表面貼裝
工作溫度: -40°C ~ 100°C
封裝/外殼: 672-BBGA
供應(yīng)商設(shè)備封裝: 672-FPBGA(27x27)
2-12
Architecture
LatticeECP/EC Family Data Sheet
Figure 2-14. DCS Waveforms
sysMEM Memory
The LatticeECP/EC devices contain a number of sysMEM Embedded Block RAM (EBR). The EBR consists of a 9-
Kbit RAM, with dedicated input and output registers.
sysMEM Memory Block
The sysMEM block can implement single port, dual port or pseudo dual port memories. Each block can be used in
a variety of depths and widths as shown in Table 2-6.
Table 2-6. sysMEM Block Configurations
Bus Size Matching
All of the multi-port memory modes support different widths on each of the ports. The RAM bits are mapped LSB
word 0 to MSB word 0, LSB word 1 to MSB word 1 and so on. Although the word size and number of words for
each port varies, this mapping scheme applies to each port.
RAM Initialization and ROM Operation
If desired, the contents of the RAM can be pre-loaded during device configuration. By preloading the RAM block
during the chip configuration cycle and disabling the write controls, the sysMEM block can also be utilized as a
ROM.
Memory Mode
Configurations
Single Port
8,192 x 1
4,096 x 2
2,048 x 4
1,024 x 9
512 x 18
256 x 36
True Dual Port
8,192 x 1
4,096 x 2
2,048 x 4
1,024 x 9
512 x 18
Pseudo Dual Port
8,192 x 1
4,096 x 2
2,048 x 4
1,024 x 9
512 x 18
256 x 36
CLK0
SEL
DCSOUT
CLK1
相關(guān)PDF資料
PDF描述
LFEC20E-4FN672C IC FPGA 19.7KLUTS 672FPBGA
LFECP20E-3FN484I IC FPGA 19.7KLUTS 484FPBGA
LFECP20E-4FN484C IC FPGA 19.7KLUTS 484FPBGA
LFXP20E-3F484C IC FPGA 19.7KLUTS 340I/O 484-BGA
LFXP20C-3F484C IC FPGA 19.7KLUTS 340I/O 484-BGA
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LFEC20E-3Q208C 制造商:LATTICE 制造商全稱:Lattice Semiconductor 功能描述:LatticeECP/EC Family Data Sheet
LFEC20E-3Q208I 制造商:LATTICE 制造商全稱:Lattice Semiconductor 功能描述:LatticeECP/EC Family Data Sheet
LFEC20E-3QN208C 制造商:LATTICE 制造商全稱:Lattice Semiconductor 功能描述:LatticeECP/EC Family Data Sheet
LFEC20E-3QN208I 制造商:LATTICE 制造商全稱:Lattice Semiconductor 功能描述:LatticeECP/EC Family Data Sheet
LFEC20E-3T100C 制造商:LATTICE 制造商全稱:Lattice Semiconductor 功能描述:LatticeECP/EC Family Data Sheet