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: 78/123页
文件大小: 2207K
代理商: M-ORSO82G51BM680-DB
Lattice Semiconductor
ORCA ORSO82G5 Data Sheet
58
In the SERDES-only mode the data are simply transferred as 32-bit wide words to and from the FPGA logic. The
next sections describe the signal denitions for the TX and RX paths in the SONET, OPC2 and OPC8 modes. The
signal names unique to an operating mode are preferred for design and are generally the ones used in the
ispLEVER design environment. The labels in the left most column are the hardware FPGA interface names. The
ispLEVER software creates an HDL module with specic names based on the mode selected for each channel.
The pin mapping that is performed by the ispLEVER is shown in Table 9 and Table 10.
The interface signals for the embedded RAM are completely independent of these signals. The memory signals are
described in a later section.
Signal Description for TX Path (FPGA to SERDES Core)
Signals are divided across 8 channels with 40 signals per channel. TXDxx[39:0] is the set of 40 signals for a
channel xx.
The data signals multiplexing scheme is similar to the one used for the RXD signals. However, the status signals
multiplexing is different. Please refer to Table 9. for the detailed description of the TXD multiplexing scheme.
For all channels the TXDxx[39:33] signals are not used.
Table 9 summarizes the signals at the FPGA/Core interface in the transmit direction.
Table 9. TX FPGA/Core Interface Signaling
TXDAA
SONET Mode
OPC2 A1 Mode
OPC8 Mode
[39:33]
32
DINAA_FP
[31:21]
DINAA[31:21]
20
DINAA[20]
OPC2_A1_CELLVALID
[19:0]
DINAA[19:0]
OPC2_A1[39:20]
OPC8[159:140]
TXDAB
SONET Mode
OPC2 A1 Mode
OPC8 Mode
[39:33]
32
DINAB_FP
[31:20]
DINAB[31:20]
[19:0]
DINAB[19:0]]
OPC2_A1[19:0]]
OPC8[139:120]]
TXDAC
SONET Mode
OPC2 A2 Mode
OPC8 Mode
[39:33]
32
DINAC_FP
[31:21]
DINAC[31:21]
20
DINAC[20]
OPC2_A2_CELLVALID
[19:0]
DINAC[19:0]
OPC2_A2[39:20]
OPC8[119:100]
TXDAD
SONET Mode
OPC2 A1 Mode
OPC8 Mode
[39:33]
32
DINAD_FP
[31:21]
DINAD[31:21]
20
DINAD[20]
OPC8_CELLVALID
[19:0]
DINAD[19:0]
OPC2_A2[19:0]
OPC8[99:80]
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