参数资料
型号: IP-ASI
厂商: Altera
文件页数: 16/27页
文件大小: 0K
描述: IP VIDEO INTERFACE - ASI
标准包装: 1
系列: *
类型: MegaCore
功能: 数字视频广播用接收器/收发器
许可证: 初始许可证
4. Functional Description
The ASI MegaCore function consists of the following elements:
Low voltage differential signalling (LVDS) inputs and outputs (I/Os) for the
receiver and transmitter
ASI transmitter
ASI receiver
Two PLLs for frequency multiplication—one for the transmitter, one for the
receiver
Transmitter
The transmitter comprises the following elements:
8B10B encoder
Serializer
Figure 4–1 shows the ASI transmitter.
Figure 4–1. ASI Transmitter
Transceiver
10
Serializer
Parallel
Data
8
8B10B
Encoder
10
FIFO
Buffer
Over-
sampler
Transceiver
LVDS I/O
Serial Data
Soft-logic transceiver implementations only
GX-based devices only
8B10B Encoder
The 8B10B encoder converts an 8-bit wide word to a 10-bit wide word. The complete
list of codes can be found in the DVB-ASI EN50083-9 standard.
A control code input inserts comma characters (K28.5) when no data is available at the
input of the encoder.
Transceiver
The transceiver can be either a serializer for soft-logic implementations, or GX
transceivers.
January 2014
Altera Corporation
Asynchronous Serial Interface (ASI) MegaCore Function User Guide
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