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ORT42G5 Datasheet(PDF) 31 Page - Lattice Semiconductor |
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ORT42G5 Datasheet(HTML) 31 Page - Lattice Semiconductor |
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31 / 119 page  Lattice Semiconductor ORCA ORT42G5 and ORT82G5 Data Sheet 31 • FMPU_SYNMODE_B = 11111111 (Register Location 30911) To enable/disable multi-channel alignment of individual channels within a multi-channel alignment group: • FMPU_STR_EN_xx = 1 enabled • FMPU_STR_EN_xx = 0 disabled • (Register Location 30810 and 30910, where xx is one of AC, AD, BC or BD.) To resynchronize a multichannel alignment group set the following bit to zero, and then set it to one. • FMPU_RESYNC4 for four channels, AC, AD, BC and BD. (Register Location 30A02, bit 2) • FMPU_RESYNC2A for dual channels, AC and AD. (Register Location 30820, bit 5) • FMPU_RESYNC2B for block channels, BC and BD. (Register Location 30920, bit 5) To resynchronize an independent channel (resetting the write and the read pointer of the FIFO) set the following bit to zero, and then set it to one. FMPU_RESYNC1_xx (Register Locations 30820 and 30920, bits 2 and 3, where xx is one of AC, AD, BC or BD). ORT82G5 Configuration Register settings for multi-channel alignment are shown in Table 7. Table 7. Multi-channel Alignment Modes To align all eight channels: • FMPU_SYNMODE_A[A:D] = 11 • FMPU_SYNMODE_B[A:D] = 11 To align all four channels in SERDES A: • FMPU_SYNMODE_A[A:D] = 01 To align two channels in SERDES A: • FMPU_SYNMODE_A[A:B] = 10 for channel AA and AB • FMPU_SYNMODE_A[C:D] = 10 for channel AC and AD A similar alignment can be defined for SERDES B. To enable/disable synchronization signal of individual channel within a multi-channel alignment group: • FMPU_STR_EN_xx = 1 enabled • FMPU_STR_EN_xx = 0 disabled where xx is one of A[A:D] and B[A:D]. To resynchronize a multi-channel alignment group set the following bit to zero, and then set it to one: • FMPU_RESYNC8 for eight channel A[A:D] and B[A:D] • FMPU_RESYNC4A for quad channel A[A:D] • FMPU_RESYNC2A1 for twin channel A[A:B] Register Bits FMPU_SYNMODE_xx[0:1] Mode 00 No multi-channel alignment. 10 Twin channel alignment. 01 Quad channel alignment. 11 Eight channel alignment. Note: Where xx is one of A[A:D] and B[A:D]. |
Similar Part No. - ORT42G5 |
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Similar Description - ORT42G5 |
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