参数资料
型号: IP-SDI
厂商: Altera
文件页数: 102/140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
4–14
Chapter 4: SDI Audio IP Cores
SDI Audio Extract MegaCore Function
Table 4–15 shows the direct control interface signals. The direct control interface is
internal to the audio extract component.
Table 4–15. Direct Control Interface Signals
Signal
reg_clk
audio_control
audio_presence
audio_status
error_status
Width
[0:0]
[7:0]
[7:0]
[7:0]
[7:0]
Direction
Input
Input
Output
Output
Output
Description
Clock for direct control interface signals.
This signal does the same function as the audio control
register in Table 4–17 .
This signal does the same function as the audio presence
register in Table 4–17 .
This signal does the same function as the audio status
register in Table 4–17 .
This signal does the same function as the error status
register in Table 4–17 .
Set any bit of this port high for a single cycle of reg_clk to
error_reset
[7:0]
Input
clear the corresponding bit of the error_status signal.
Setting any of bits [3:0] high for a clock cycle resets the
entire 4-bit error counter.
fifo_status
fifo_reset
clock_status
[7:0]
[0:0]
[7:0]
Output
Input
Output
This signal does the same function as the FIFO status register
Set high for a single cycle of reg_clk to clear the underflow
or overflow field of the fifo_status signal.
This signal does the same function as the clock status
register in Table 4–17 .
Channel status RAM address. The contents of the selected
csram_addr
[5:0]
Input
address will be valid on the csram_data signal after one
cycle of reg_clk .
csram_data
[7:0]
Output
Channel status data. This signal does the same function as
the channel status RAM in Table 4–17.
Serial Digital Interface (SDI) MegaCore Function
User Guide
February 2013 Altera Corporation
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