参数资料
型号: EPF10K10A
厂商: Altera Corporation
英文描述: Embedded Programmable Logic Family(FLEX10K嵌入式可编程逻辑系列)
中文描述: 嵌入式可编程逻辑系列(FLEX10K嵌入式可编程逻辑系列)
文件页数: 16/138页
文件大小: 2115K
代理商: EPF10K10A
16
Altera Corporation
FLEX 10K Embedded Programmable Logic Family Data Sheet
Figure 7
shows how an
n
-bit full adder can be implemented in
n
+ 1 LEs
with the carry chain. One portion of the LUT generates the sum of two bits
using the input signals and the carry-in signal; the sum is routed to the
output of the LE. The register can either be bypassed for simple adders or
be used for an accumulator function. The carry chain logic generates the
carry-out signal, which is routed directly to the carry-in signal of the next-
higher-order bit. The final carry-out signal is routed to an LE, where it can
be used as a general-purpose signal.
Figure 7. Carry Chain Operation (n-bit Full Adder)
LUT
a1
b1
Carry Chain
s1
LE1
Register
a2
b2
Carry Chain
s2
LE2
Register
Carry Chain
sn
LEn
Register
an
bn
Carry Chain
Carry-Out
LEn + 1
Register
Carry-In
LUT
LUT
LUT
相关PDF资料
PDF描述
EPF10K250A Embedded Programmable Logic Family(FLEX10K嵌入式可编程逻辑系列)
EPF10K30 Embedded Programmable Logic Family(FLEX10K嵌入式可编程逻辑系列)
EPF10K200E Embedded Programmable Logic Family(FLEX10KE嵌入式可编程逻辑系列)
EPF10K30E Embedded Programmable Logic Family(FLEX10KE嵌入式可编程逻辑系列)
EPF10K50S Embedded Programmable Logic Family(FLEX10KE嵌入式可编程逻辑系列)
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