参数资料
| 型号： | COREFIR-RM |
| 厂商： | Microsemi SoC |
| 文件页数： | 45/67页 |
| 文件大小： | 0K |
| 描述： | IP MODULE COREFIR |
| 标准包装： | 1 |
| 系列： | * |
第1页第2页第3页第4页第5页第6页第7页第8页第9页第10页第11页第12页第13页第14页第15页第16页第17页第18页第19页第20页第21页第22页第23页第24页第25页第26页第27页第28页第29页第30页第31页第32页第33页第34页第35页第36页第37页第38页第39页第40页第41页第42页第43页第44页当前第45页第46页第47页第48页第49页第50页第51页第52页第53页第54页第55页第56页第57页第58页第59页第60页第61页第62页第63页第64页第65页第66页第67页
Polyphase Interpolation Filter
Interpolator Latency
The latency primarily depends on the filter size; that is number of physical taps equal TAPS/L. The following
formula describes the latency expressed in the number of clock cycles:
Latency = (TAPS/L + 2) clock cycles
EQ 9
If RCLK is used to diminish the output sample rate, the formula stays the same but the latency now is
measured in RCLK cycles:
Latency = (TAPS/L + 2) RCLK cycles
The latency also depends on how many hard MAC rows (columns) the filter implementation takes and a
part-dependent number of pipeline registers used to cross inter-row or column space. For convenience the
core calculates the overall latency and prints it out during simulation. Look for the line “LATENCY = x
CLOCK or RCLK cycles”.
Any FIR filter convolves a series of data samples with a set of filter coefficients. Thus, the filter starts
generating valid results only after getting enough data samples and coefficients. Upon power-on or
swapping coefficient pages, CoreFIR holds the FIRO_VALID signal inactive until it gets TAPS valid data
samples. Here "valid data samples" means the data coming in response to the active READY signal.
46
CoreFIR v8.5 Handbook
相关PDF资料 |
PDF描述 |
|---|---|
| COREPCIF-RM | IP MODULE COREPCIF |
| COREU1LL-AR | IP MODULE COREU1LL |
| COREU1PHY-AR | IP MODULE COREU1PHY |
| CORR-8BIT-XM-UT2 | SITE LICENSE IP CORRELATOR XP |
| CP2-GSA-L | CONN SHIELD LOWER TYPE A 22 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| COREFIR-UR | 制造商:ACTEL 制造商全称:Actel Corporation 功能描述:CoreFIR Finite Impulse Response (FIR) Filter Generator |
| COREFIR-XX | 制造商:ACTEL 制造商全称:Actel Corporation 功能描述:CoreFIR Finite Impulse Response (FIR) Filter Generator |
| COREMP7 | 制造商:ACTEL 制造商全称:Actel Corporation 功能描述:CoreMP7 |
| COREPCI-AN | 制造商:ACTEL 制造商全称:Actel Corporation 功能描述:CorePCI v5.41 |
| COREPCI-AR | 制造商:ACTEL 制造商全称:Actel Corporation 功能描述:CorePCI v5.41 |
发布紧急采购，3分钟左右您将得到回复。