參數(shù)資料
型號: LFECP15E-5F484C
廠商: LATTICE SEMICONDUCTOR CORP
元件分類: FPGA
英文描述: 12-Bit 66 kSPS ADC Ser. Out, Pgrmable MSB/LSB First, Pgrmable Power Down/Output Data Length, 11 Ch. 20-PLCC
中文描述: FPGA, 1920 CLBS, 15400 GATES, 420 MHz, PBGA484
封裝: 23 X 23 MM, FPBGA-484
文件頁數(shù): 20/117頁
文件大?。?/td> 557K
代理商: LFECP15E-5F484C
2-17
Architecture
Lattice Semiconductor
LatticeECP/EC Family Data Sheet
MULTADD 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 2-20
shows the MULTADD sysDSP element.
Figure 2-20. MULTADD
MULTADDSUM 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 B1. Additionally the operands A2 and B2 are multiplied and the result is added/
subtracted with the result of the multiplier operation of operands A3 and B3. The result of both addition/subtraction
are added in a summation block. The user can enable the input, output and pipeline registers. Figure 2-21 shows
the MULTADDSUM sysDSP element.
Multiplier
x
Multiplier
x
Add/Sub
n
m
m
n
m
n
m
n
n
m
m+n
(default)
m+n+1
(default)
m+n+1
(default)
m+n
(default)
n
m
m
n
m
n
n
m
Multiplier B0
Multiplicand A0
Multiplier B1
Multiplicand A1
Signed
Shift Register A In
Shift Register B In
Shift Register A Out
Shift Register B Out
Output
Addn
PiPipe
ReReg
CLK (CLK0,CLK1,CLK2,CLK3)
CE (CE0,CE1,CE2,CE3)
RST(RST0,RST1,RST2,RST3)
Input
Register
Pipeline
Register
Input
Register
Pipeline
Register
Pipeline
Register
Input Data
Register A
Input Data
Register A
Input Data
Register B
Input Data
Register B
O
R
To Add/Sub
To Add/Sub
相關PDF資料
PDF描述
LFECP15E-5F484I LatticeECP/EC Family Data Sheet
LFECP15E-5F672I LatticeECP/EC Family Data Sheet
LFECP15E-5F900I 12-Bit 66 kSPS ADC Ser. Out, Pgrmable MSB/LSB First, Pgrmable Power Down/Output Data Length, 11 Ch. 20-PDIP
LFECP15E-5Q208I LatticeECP/EC Family Data Sheet
LFECP15E-5T100C Enhanced Product 12-Bit Analog-To-Digital Converter W/ Serial Control And 11 Analog Input 20-SSOP -55 to 125
相關代理商/技術參數(shù)
參數(shù)描述
LFECP15E-5F484I 制造商:LATTICE 制造商全稱:Lattice Semiconductor 功能描述:LatticeECP/EC Family Data Sheet
LFECP15E-5F672C 制造商:LATTICE 制造商全稱:Lattice Semiconductor 功能描述:LatticeECP/EC Family Data Sheet
LFECP15E-5F672I 制造商:LATTICE 制造商全稱:Lattice Semiconductor 功能描述:LatticeECP/EC Family Data Sheet
LFECP15E-5F900C 制造商:LATTICE 制造商全稱:Lattice Semiconductor 功能描述:LatticeECP/EC Family Data Sheet
LFECP15E-5F900I 制造商:LATTICE 制造商全稱:Lattice Semiconductor 功能描述:LatticeECP/EC Family Data Sheet