参数资料
型号: M-ORSO82G51BM680-DB
厂商: LATTICE SEMICONDUCTOR CORP
元件分类: FPGA
英文描述: FPGA, 1296 CLBS, 333000 GATES, PBGA680
封装: PLASTIC, FBGA-680
文件页数: 79/123页
文件大小: 2207K
代理商: M-ORSO82G51BM680-DB
Lattice Semiconductor
ORCA ORSO82G5 Data Sheet
59
Table 9.. TX FPGA/Core Interface Signals (continued)
Signal Description for RX Path (SERDES Core to FPGA)
Signals are divided across 8 channels with 40 signals per channel. RXDxx[39:0] is the set of 40 signals for a
channel xx. Figure 44 illustrates how the signals are multiplexed.
All RX direction signals are outputs from the core.
See Table 9 and Figure 44 for clock transfers across the FPGA/Core interface.
In SONET mode, RXDxx[31:0] carries 32 bit data from the alignment FIFO of the respective channel.
RXDxx[35:32] carries miscellaneous information such as OOF, BIPERR, Frame Pulse (FP), and SPE.
In cell mode, data from each of the four 2-link IPC bundles are spread across all eight channels and are assigned
to the 20 LSB’s (RXDxx[19:0]) of each channel output. Data from IPC2_A1 is distributed across RXDAA[19:0]
and RXDAB[19:0]. Data from IPC2_A2 is distributed across RXDAC[19:0] and RXDAD[19:0]. This symmetry is
maintained for IPC2 data signals from quad B.
Data from the 8-link IPC block IPC8 is spread across all eight channels and assigned to the 20 LSB’s
(RXDxx[19:0] of each channel output.
The IPC status signals for Cell Mode operation are contained in RXDxx[39:36] and RXDxx[33].
The signals for SONET Mode operation are assigned to RXDxx[35:34] and RXDxx[33].
Note that RXDxx[39:32] signal assignments are the same no matter what mode the RX blocks are in.
TXDBA
SONET Mode
OPC2 B1 Mode
OPC8 Mode
[39:33]
32
DINBA_FP
[31:21]
DINBA[31:21]
20
DINBA[20]
OPC2_B1_CELLVALID
[19:0]
DINBA[19;0]]
OPC2_B1[39:20]
OPC8[79:60]
TXDBB
SONET Mode
OPC2 B1 Mode
OPC8 Mode
[39:33]
32
DINBB_FP
[31:20]
DINBB[31:20]
[19:0]
DINBB[19:0]
OPC2_B1[19:0]
OPC8[59:40]
TXDBC
SONET Mode
OPC2 B2 Mode
OPC8 Mode
[39:33]
32
DINBC_FP
[31:21]
DINBC[31:21]
20
DINBC[20]
OPC2_B2_CELLVALID
[19:0]
DINBC[19:0]
OPC2_B2[39:20]
OPC8[39:20]
TXDBD
SONET Mode
OPC2 B2 Mode
OPC8 Mode
[39:33]
32
DINBD_FP
[31:20]
DINBD[31:20]
[19:0]
DINBD[19:0]
OPC2_B2[19:0]
OPC8[19:0]
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