参数资料
| 型号： | IP-RSDEC |
| 厂商： | Altera |
| 文件页数： | 30/38页 |
| 文件大小： | 0K |
| 描述： | IP REED-SOLOMON DECODER |
| 标准包装： | 1 |
| 系列： | * |
| 类型： | MegaCore |
| 功能： | Reed-Solomon 解码器 |
| 许可证： | 初始许可证 |
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3–10
Chapter 3: Functional Description
Throughput Calculator
Table 3–6. Avalon-ST Source Interface (Part 2 of 2)
Name
rsout
rserr
Avalon-ST
Type
data
data
Direction
Output
Output
Description
corrected symbols are in the same order that they were entered.
Error correction value (decoder only, optional). Refer to “Error Symbol Output” on
page 3–5 .
Table 3–7 shows the configuration signals.
Table 3–7. Configuration Signals
Name
bypass
numcheck
numn
Description
A one-bit signal that sets if the codewords are bypassed or not (decoder only). The decoder continuously
samples bypass .
Sets the variable number of check symbols up to a maximum value set by the parameter R (variable option
only). The decoder samples numcheck only when sink_sop is asserted.
Variable value of N . Can be any value from the minimum allowable value of N up to the selected value of N
(variable and erasures-supporting option only). The decoder samples numn only when sink_sop is
asserted.
Table 3–8 shows the status signals (decoder only).
Table 3–8. Status Signals
Name
decfail
num_err_sym
num_err_bit
num_err_bit0
num_err_bit1
Description
Indicates non-correctable codeword. Valid when source_sop is asserted. Avalon-ST type err .
Number of symbols errors. Valid when source_sop is asserted; invalid when decfail is asserted.
decfail is asserted. Connected only when the Bit error ( Full count ) option is turned on. Refer to “RS
Decoder” on page 3–4 .
Number of bit errors for the corrections from bit 1 to bit 0. The latest is the correct bit. Valid when
sop_source is asserted; invalid when decfail is asserted. The decoder presents these values at the
next source_sop assertion (at the next codeword). Connected only when the Bit error ( Split count )
option is turned on.
Number of bit errors for the corrections from bit 0 to bit 1. The latest is the correct bit. Valid when
sop_source is asserted; invalid when decfail is asserted. The decoder presents these values at the
next source_sop assertion (at the next codeword). Connected only when the Bit error ( Split count )
option is turned on.
Throughput Calculator
The IP Toolbench throughput calculator (decoder only) uses the following equation:
Throughput in megasymbols per second = N × frequency (MHz)/ N C
For Mbps, multiply by m , the number of bits per symbol.
Reed-Solomon Compiler
User Guide
November 2013 Altera Corporation
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| IPR-SDI | 功能描述:开发软件 Video Interface SDI MegaCore RENEWAL RoHS:否 制造商:Atollic Inc. 产品:Compilers/Debuggers 用于:ARM7, ARM9, Cortex-A, Cortex-M, Cortex-R Processors |
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| IPR-SDRAM/DDR | 功能描述:开发软件 DDR SDRAM Control MegaCore RENEWAL RoHS:否 制造商:Atollic Inc. 产品:Compilers/Debuggers 用于:ARM7, ARM9, Cortex-A, Cortex-M, Cortex-R Processors |
| IPR-SDRAM/DDR2 | 功能描述:开发软件 DDR2 SDRAM Control MegaCore RENEWAL RoHS:否 制造商:Atollic Inc. 产品:Compilers/Debuggers 用于:ARM7, ARM9, Cortex-A, Cortex-M, Cortex-R Processors |
| IPR-SDRAM/DDR3 | 功能描述:开发软件 DDR3 SDRAM Control MegaCore RENEWAL RoHS:否 制造商:Atollic Inc. 产品:Compilers/Debuggers 用于:ARM7, ARM9, Cortex-A, Cortex-M, Cortex-R Processors |
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