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参数资料
| 型号： | TURBO-DECO-PM-U3 |
| 厂商： | Lattice Semiconductor Corporation |
| 文件页数： | 10/22页 |
| 文件大小： | 0K |
| 描述： | IP CORE TURBO DECODER ECP2M |
| 标准包装： | 1 |
| 系列： | * |
| 其它名称： | TURBODECOPMU3 |
Lattice Semiconductor
Turbo Decoder User’s Guide
Signal Descriptions
Table 2. Turbo Decoder Signal De?nitions
Port Name
clk
rstn
sr
din
dout
iterations
I/O Type
Input
Input
Input
Input
Output
Input
Width
1
1
1
3-6
1
4
Signal Description
System Clock
Active Low Asynchronous Reset
Synchronous Reset
Data Input (soft encoded data from demodulator)
Data Output
Input bus to set the number of decoding iterations. The valid values are from
1 to 15.
blocksiz-
eset(ipcfgset)
inpvalid
rfi
Input
Input
Output
1
1
1
Interleaver initialization. blocksize on input pins can be changed and
accepted when this signal is asserted.
Enables the decoder to read the data at din when asserted.
Active High signal. Indicates that decoder is available to accept data. This
signal is de-asserted one data symbol before buffer is full.
blocksize
Input
13-15
Block size up to 20730 bits can be set depending on the con?guration
selected. Block size ranges:
3GPP: 40-5114
3GPP2: 378-20730
CCSDS: 1784, 3568, 7136, 8920
rfno
rfo
rate
Input
Output
Input
1
1
1 or 2
Asserted to indicate successful reading of encoded data from dout .
When asserted encoded data is ready and available at dout .
Determines the rate of the Turbo Decoder
For 3GPP, size 1 bit, 0-rate 1/3 and 1- rate 1/2
For 3GPP2, size 2 bits, 0-rate 1/2, 1- rate 1/3, 2- rate 1/4 and 3- rate 1/5
For CCSDS, size 2 bits, 0-rate 1/2, 1- rate 1/3, 2- rate 1/4 and 3- rate 1/6
10
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TURBO-DECO-PM-UT3 | 功能描述:开发软件 TURBO DECODER RoHS:否 制造商:Atollic Inc. 产品:Compilers/Debuggers 用于:ARM7, ARM9, Cortex-A, Cortex-M, Cortex-R Processors |
| TURBO-DECO-SC-U3 | 功能描述:开发软件 Turbo Decoder RoHS:否 制造商:Atollic Inc. 产品:Compilers/Debuggers 用于:ARM7, ARM9, Cortex-A, Cortex-M, Cortex-R Processors |
| TURBO-DECO-SC-UT3 | 功能描述:开发软件 TURBO DECODER RoHS:否 制造商:Atollic Inc. 产品:Compilers/Debuggers 用于:ARM7, ARM9, Cortex-A, Cortex-M, Cortex-R Processors |
| TURBO-DECO-X2-U3 | 功能描述:开发软件 Turbo Decoder RoHS:否 制造商:Atollic Inc. 产品:Compilers/Debuggers 用于:ARM7, ARM9, Cortex-A, Cortex-M, Cortex-R Processors |
| TURBO-DECO-X2-UT3 | 功能描述:开发软件 TURBO DECODER 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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