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[/] [open8_urisc/] [trunk/] [VHDL/] [o8_async_serial.vhd] - Diff between revs 244 and 274
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| Rev 244 |
Rev 274 |
| Line 27... |
Line 27... |
-- are settable via generics.
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-- are settable via generics.
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--
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--
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-- Register Map:
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-- Register Map:
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-- Offset Bitfield Description Read/Write
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-- Offset Bitfield Description Read/Write
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-- 0x00 AAAAAAAA TX Data (WR) RX Data (RD) (RW)
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-- 0x00 AAAAAAAA TX Data (WR) RX Data (RD) (RW)
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-- 0x01 EDCBA--- FIFO Status (RO*)
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-- 0x01 EDCBA--- Status (RO*)
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-- A: RX Parity Error (write to clear)
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-- A: RX Parity Error (write to clear)
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-- B: RX FIFO Empty
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-- B: RX FIFO Empty
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-- C: RX FIFO almost full (922/1024)
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-- C: RX FIFO almost full (922/1024)
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-- D: TX FIFO Empty
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-- D: TX FIFO Empty
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-- E: TX FIFO almost full (922/1024)
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-- E: TX FIFO almost full (922/1024)
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