Lattice Semiconductor
Figure 2-4. CIC Interpolator Timing Diagrams
(a) Single-Channel: Inputs are sampled in every Rate clock cycles:
clk
Functional Description
din
x(0)
x(1)
x(2)
x(3)
x(4)
x(5)
x(6)
x(7)
x( 8 )
x(9)
inp v alid
rfi
do u t
y(0)
y(1)
y(2)
y(3)
y(4)
y(5)
y(6)
y(7)
y( 8 )
y(9)
y(10)
y(11)
y(12)
o u t v alid
Rate
Clock Cycles
Rate
Clock Cycles
Rate
Clock Cycles
Rate
Clock Cycles
Rate
Clock Cycles
Rate
Clock Cycles
Rate
Clock Cycles
Rate
Clock Cycles
Rate
Clock Cycles
Filter Latency + Rate Clock
Cycles
(b) Single-Channel: Inputs are sampled in every 2* Rate clock cycles:
clk
din
x(0)
x(1)
x(2)
x(3)
x(4)
inp v alid
rfi
do u t
y(0)
y(1)
y(2)
y(3)
y(4)
y(5)
o u t v alid
2* Rate Clock Cycles
2* Rate Clock Cycles
2* Rate Clock Cycles
2* Rate Clock Cycles
Filter Latency + 2* Rate Clock Cycles
IPUG42_02.6, August 2010
16
Cascaded Integrator-Comb (CIC) Filter User’s Guide
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相关代理商/技术参数
CIC-FILT-XM-U2 功能描述:开发软件 Cascaded Integrator Comb Filter RoHS:否 制造商:Atollic Inc. 产品:Compilers/Debuggers 用于:ARM7, ARM9, Cortex-A, Cortex-M, Cortex-R Processors
CIC-FILT-XM-UT2 制造商:Lattice Semiconductor Corporation 功能描述:
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