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# リピータートップモジュール | ||
リピーターを構成するトップモジュール. | ||
各PHYの`REF_CLK`はデフォルトでは独立なので | ||
緩衝バッファとなる非同期式FIFOを挟まなければならなりません. | ||
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## 仕様モジュール一覧 | ||
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### `common/rtl/RMII_RX.v` | ||
RMII 受信モジュール, 100BASE-TX + 全二重通信を前提としたもの。 | ||
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### `common/rtl/RMII_TX.v` | ||
RMII 送信モジュール, 100BASE-TX + 全二重通信を前提としたもの。 | ||
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### `common/rtl/FRAME_FIFO.v` | ||
EOD (デリミタ信号), `frame_exist` (フレーム存在信号), `half_flag` (半分占有信号) | ||
を備えた非同期式FIFO. BRAM9k 1個 とBRAM32k 2個を用います。 | ||
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## 制約ファイル | ||
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### `repeater/constraints/io_12.adc` | ||
ポート0とポート1間のリピーターを用いる際のIO制約。 | ||
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### `repeater/constraints/io_23.adc` | ||
ポート2とポート3間のリピーターを用いる際のIO制約。 | ||
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### `repeater/constraints/timing.sdc` | ||
タイミング制約。上記の2つのIO制約において共通して利用できます。 |
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