参数资料
型号: ORT8850L-3BM680C
厂商: Lattice Semiconductor Corporation
文件页数: 10/105页
文件大小: 0K
描述: IC FPSC TRANSCEIVER 8CH 680-BGA
产品变化通告: Product Discontinuation 01/Aug/2011
标准包装: 24
系列: *
Lattice Semiconductor
ORCA ORT8850 Data Sheet
12
Figure 2. ORT8850 Embedded Core, Top Level Functionality and Data Flow
SONET Logic Blocks - Overview
The 850 Mbits/s SONET logic blocks allows the ORT8850 to communicate across a backplane or on a given board
at an aggregate speed of 6.8 Gbits/s, allowing high-speed asynchronous serial data transfer between system
devices. The external serial interfaces are implemented as eight channels of bidirectional 850 Mbits/s LVDS links
and use a pseudo-SONET framing protocol, which can be bypassed.
The SONET logic blocks are organized into two quads. Each quad supports four full duplex serial links (quad A
contains channels AA, AB, AC, and AD while quad B contains channels BA, BB, BC, and BD). A top level block dia-
gram of one channel of the SONET logic is shown in Figure 3.
LVDS I/O
Buffers
LVDS I/O
Buffers
I/O
MUX
SONET
Logic
Block
I/O
MUX
I/O
DEMUX
8
(DEMUX is internal to HSI &
Reserved
SONET logic block)
TXDxx_W_[P:N]
TXDxx_P_[P:N]
RXDxx_W_[P:N]
RXDxx_P_[P:N]
DIN xx[7:0]
Note: xx=[AA, AB,…BD]
DOUT xx[7:0]
FPGA Logic
Embedded Core
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