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Basic of GTC(Global Time Code) in DP

- GTC reference clock period is 1ns.
- GTC reference clock is adjustable.
- FIRST_COMMAND_EDGE is AUX first rising edge after sync commmand.

- In case of that DPTX is master.
-- DPRX record GTC accumulator at the arrival of FIRST_COMMAND_EDGE for the write transaction.
-- DPRX record GTC accumulator at the time it has finished receiving the 32-bit TX GTC value(GTC_Reception).
-- DPTX record GTC accumulator at the arrival of FIRST_COMMAND_EDGE for the reply transaction(RX_GTC_FREQ_LOCK_DONE).

- In case of that DPRX is master.
-- DPTX record GTC accumulator at the arrival of FIRST_COMMAND_EDGE for the reply transaction.
-- DPTX record GTC accumulator at the time it has finished receiving the 32-bit RX GTC value(GTC_Reception).
-- DPRX record GTC accumulator at the arrival of FIRST_COMMAND_EDGE for the write transaction(TX_GTC_FREQ_LOCK_DONE).
2017-11-16 : Work-Product-Spec : コメント : 0 : トラックバック : 0
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zive

Author:zive
大阪在住、男

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