参数资料
型号: ORSO42G5-EV
厂商: Lattice Semiconductor Corporation
文件页数: 108/153页
文件大小: 0K
描述: BOARD EVAL DEV PLATFORM ORSO42G5
标准包装: 1
系列: ORCA® 4 系列
类型: FPGA
适用于相关产品: ORSO42G5
所含物品: 板,线缆,电源
其它名称: ORSO42G5EV
Lattice Semiconductor
ORCA ORSO42G5 and ORSO82G5 Data Sheet
58
Insuring group bundles are properly aligned.
Scheduling reads from the RX FIFOs. Cells are read one at a time from the congured links.
Parsing the cell data into payload data (along with selected header information). Cells which have errors that
make them unusable (such as BIP or sequence number errors) are thrown away. This dropping of errored cells
can be disabled through register bits CELL_BIP_INH_xx and CELL_SEQ_INX_xx.
Figure 44. IPC2 and IPC8 Block Diagrams
There are 5 IPC blocks in the embedded core. There is an IPC2 block for every channel pair:
IPC2_A1 combines links from channels AA,AB (ORSO82G5 only)
IPC2_A2 combines links from channels AC,AD
IPC2_B1 combines links from channels BA,BB (ORSO82G5 only)
IPC2_B2 combines links from channels BC,BD
The IPC8 block combines cells from all eight aligned links and transmits them to the FPGA logic (ORSO82G5
only).
Before an IPC can begin reading data from the Rx FIFOs and assembling cells, it must rst align all FIFOs in a port
bundle. This is accomplished by handshaking signals between the framer and the IPC. The framer indicates to the
IPC that framing has been acquired. The framer does not start lling the FIFOs, however, until the next A1/A2
SONET signal.
RX
FIFO
IPC2
Block
IPC2_[A:B][1:2][39:0]
SYSCLK156[A:B][1:2]
32
77.76 MHz
RX
FIFO
32
77.76 MHz
RX
FIFO
IPC8
IPC8[159:0]
SYSCLK156 8
32
77.76 MHz
RX
FIFO
32
77.76 MHz
LINK 0
LINK 1
LINK 0
LINK 7
40
160
FPGA
LOGIC
Block
FPGA
LOGIC
Cell
Extractor
Cell
Extractor
Cell
Extractor
Cell
Extractor
(ORSO82G5
only)
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相关代理商/技术参数
参数描述
ORSO82G5 制造商:LATTICE 制造商全称:Lattice Semiconductor 功能描述:0.6 to 2.7 Gbps SONET Backplane Interface FPSCs
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