参数资料
型号: IP-SDI
厂商: Altera
文件页数: 96/140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
4–8
Chapter 4: SDI Audio IP Cores
SDI Audio Embed MegaCore Function
Register Maps
Table 4–8 and Table 4–9 lists the register maps for SDI Audio Embed MegaCore
function.
Table 4–8. SDI Audio Embed MegaCore Function Register Map
Bytes Offset
00h
01h
02h
03h
04h
05h
06h–07h
08h
09h
0Ah
0Bh
0Ch–0Fh
10h–3Fh
Table 4–9. SDI Audio Embed MegaCore Function Register Map
Name
Audio Control Register
Extended Control Register
Video Status Register
Audio Status Register
Channel Status Control Registers (3:0)
Channel Status Control Registers (7:4)
Reserved
Sine Channel 1 Frequency
Sine Channel 2 Frequency
Sine Channel 3 Frequency
Sine Channel 4 Frequency
Reserved
Channel Status RAM (0×00), (0×01), ... (0×2F)
Bit
Name
Access
Description
Audio Control Register
Enables the embedding of each audio group. When working with
HD-SDI or 3G-SDI video, embedding of the audio control packet is
also enabled when one or more audio groups are enabled.
The following bits correspond to the number of audio groups you
3:0
7:4
Audio group enable
Unused
RW
specify:
Bit [0] = Audio group 1
Bit [1] = Audio group 2
Bit [2] = Audio group 3
Bit [3] = Audio group 4
Reserved for future use.
Extended Control Register
When you specify the Channel Status RAM parameter to 2 , this field
2:0
Channel status RAM
select
RW
selects the channel pair for the RAM written to by registers 10h to
3Fh. If you specify the Channel Status RAM parameter to 0 or 1 ,
ignore this signal.
3
4
7:5
Unused
Test sine generator
enable
Unused
RW
Reserved for future use.
When set to 1b , this bit ignores the audio inputs and uses the output
of the sine generator as the data for each audio group.
Reserved for future use.
Serial Digital Interface (SDI) MegaCore Function
User Guide
February 2013 Altera Corporation
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