参数资料
型号: IP-FIR
厂商: Altera
文件页数: 56/76页
文件大小: 0K
描述: IP FIR COMPILER
标准包装: 1
系列: *
类型: MegaCore
功能: 有限脉冲响应编译器
许可证: 初始许可证
4–14
Table 4–1. Avalon-ST Interface Parameters
Chapter 4: Functional Description
Avalon Streaming Interface
Parameter Name
READY_LATENCY
BITS_PER_SYMBOL
SYMBOLS_PER_BEAT
SYMBOL_TYPE
ERROR_DESCRIPTION
0
data width
1
signed/unsigned
00: No error
Value
01: Missing startofpacket (SOP)
10: Missing endofpacket (EOP)
11: Unexpected EOP or any other error
The Avalon Interface Specifications define many signal types many of which are
optional. Table 4–2 lists the signal types used by the Avalon-ST interfaces for the FIR
Compiler MegaCore function. Any signal type not explicitly listed in the table is not
included.
Table 4–2. Avalon-ST Interface Signal Types
Signal Type
ready
valid
data
channel
error
startofpacket
endofpacket
Width
1
1
data width
log 2 (number of channels)
2
1
1
Direction
Sink to Source
Source to Sink
Source to Sink
Source to Sink
Source to Sink
Source to Sink
Source to Sink
f
For a full description of the Avalon-ST interface protocol, refer to the Avalon Interface
Avalon-ST Data Transfer Timing
Figure 4–11 shows the Avalon-ST interface signals.
Figure 4–11. Avalon-ST Interface
Data Source
Data Sink
ready
valid
data
error
channel
startofpacket
endofpacket
? May 2011 Altera Corporation
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