参数资料
型号: IP-SDI
厂商: Altera
文件页数: 108/140页
文件大小: 0K
描述: IP VIDEO INTERFACE - SDI
标准包装: 1
系列: *
类型: MegaCore
功能: 视频系统用串行数字接口
许可证: 初始许可证
4–20
Chapter 4: SDI Audio IP Cores
Clocked Audio Output MegaCore Function
Table 4–26. Avalon-ST Audio Signals (Part 2 of 2)
Signal
aud_valid
Bits
[0:0]
Direction
Input
Description
Avalon-ST valid signal. The MegaCore function
asserts this signal when it receives data.
Avalon-ST start of packet signal. The MegaCore
aud_sop
[0:0]
Input
function asserts this signal when it is starting a new
frame.
aud_eop
aud_data
[0:0]
[23:0]
Input
Input
Avalon-ST end of packet signal. The MegaCore
function asserts this signal when it is ending a frame.
Avalon-ST data bus. This bus transfers data.
For register interface signals, refer to Table 4–7 . All SDI audio cores use the same
register interface signals.
Register Maps
Table 4–27 and Table 4–28 list the register maps for the SDI Clocked Audio Output
MegaCore function.
Table 4–27. SDI Clocked Audio Output MegaCore Function Register Map
Bytes Offset
00h
01h
02h
03h
Channel 0 Register
Channel 1 Register
FIFO Status Register
FIFO Reset Register
Name
Table 4–28. SDI Clocked Audio Output MegaCore Function Register Map
Bit
Name
Access
Description
Channel 0 Register
7:0
Channel 0
RW
The user-defined channel number of audio channel 0.
Channel 1 Register
7:0
Channel 1
RW
The user-defined channel number of audio channel 1.
FIFO Status Register
7:0
FIFO status
RO
This sticky bit reports the overflow of the clocked audio output FIFO.
FIFO Reset Register
6:0
7
Unused
FIFO reset
WO
WO
Reserved.
Resets the clocked audio FIFO.
Serial Digital Interface (SDI) MegaCore Function
User Guide
February 2013 Altera Corporation
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