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ECP2-35 参数 Datasheet PDF下载

ECP2-35图片预览
型号: ECP2-35
PDF下载: 下载PDF文件 查看货源
内容描述: LatticeECP2 / M系列数据表 [LatticeECP2/M Family Data Sheet]
分类和应用:
文件页数/大小: 386 页 / 2475 K
品牌: LATTICE [ LATTICE SEMICONDUCTOR ]
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Architecture  
LatticeECP2/M Family Data Sheet  
Lattice Semiconductor  
MULTADDSUB sysDSP Element  
In this case, the operands A0 and B0 are multiplied and the result is added/subtracted with the result of the multi-  
plier operation of operands A1 and A2. The user can enable the input, output and pipeline registers. Figure 2-25  
shows the MULTADDSUB sysDSP element.  
Figure 2-25. MULTADDSUB  
Shift Register B In  
Multiplicand A0  
Shift Register A In  
m
CLK (CLK0,CLK1,CLK2,CLK3)  
CE (CE0,CE1,CE2,CE3)  
m
RST(RST0,RST1,RST2,RST3)  
m
n
Multiplier B0  
n
Multiplier  
Input Data  
Register A  
m
n
n
x
m+n  
Input Data  
Register B  
(default)  
Pipeline  
Register  
m
Add/Sub  
n
Multiplicand A1  
Multiplier B1  
m
Output  
m+n+1  
(default)  
m+n+1  
(default)  
m
n
Multiplier  
m+n  
(default)  
Input Data  
Register A  
m
n
n
x
Input Data  
Register B  
Pipeline  
Register  
m
n
Signed A  
Input  
Register  
Pipeline  
Register  
To Add/Sub  
To Add/Sub  
To Add/Sub  
Signed B  
Addn  
Input  
Register  
Pipeline  
Register  
Input  
Register  
Pipeline  
Register  
Shift Register B Out  
Shift Register A Out  
2-25  
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