Altera Stratix GX Transceiver - Manual (Page 5)

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Contents Contents
Chapter 6. GigE Mode
Introduction ............................................................................................................................................ 6–1
Word Aligner .................................................................................................................................... 6–4
Rate Matcher ..................................................................................................................................... 6–9
8B/10B Decoder .............................................................................................................................. 6–11
Receiver Phase Compensation FIFO Buffer ............................................................................... 6–14
GigE Mode Transmitter Architecture ............................................................................................... 6–14
Transmitter Phase Compensation FIFO Buffer .......................................................................... 6–15
GigE Transmitter Synchronization .............................................................................................. 6–16
Idle Generation ............................................................................................................................... 6–16
8B/10B Encoder .............................................................................................................................. 6–17
GigE Mode Clocking ........................................................................................................................... 6–20
GigE Mode Channel Clocking ...................................................................................................... 6–20
GigE Mode Inter-Transceiver Clocking ...................................................................................... 6–25
GigE Mode MegaWizard Considerations ................................................................................... 6–31
GigE Mode altgxb MegaWizard Options ................................................................................... 6–31
Design Example ................................................................................................................................... 6–38
Design Description ......................................................................................................................... 6–38
Simulation Waveform & Hardware Verification Results ......................................................... 6–44
Chapter 7. Loopback Modes
Introduction ............................................................................................................................................ 7–1
Serial Loopback ...................................................................................................................................... 7–1
Parallel Loopback .................................................................................................................................. 7–2
Reverse Serial Loopback ....................................................................................................................... 7–3
Chapter 8. Stratix GX Built-In Self Test (BIST)
Introduction ............................................................................................................................................ 8–1
Pattern Generator .................................................................................................................................. 8–2
PRBS Mode Generator ..................................................................................................................... 8–2
Incremental Mode Generator ......................................................................................................... 8–3
High-Frequency Mode Generator .................................................................................................. 8–3
Low-Frequency Mode Generator ................................................................................................... 8–4
Mix-Frequency Mode Generator .................................................................................................... 8–5
Pattern Verifier ....................................................................................................................................... 8–5
PRBS Mode Verifier ......................................................................................................................... 8–5
Incremental Mode Verifier .............................................................................................................. 8–6
Design Examples ................................................................................................................................... 8–7
Design 1: PRBS BIST Generator & Verification Design .............................................................. 8–7
Design 2: Incremental BIST Generator & Verification Design ................................................. 8–11
Design 3: High-Frequency Transmitter Generator Design ...................................................... 8–16
Design 4: Low-Frequency Transmitter Generator Design ....................................................... 8–18
Design 5: Mix-Frequency Transmitter Generator Design ........................................................ 8–20