| Line 252... |
Line 252... |
(state = M_NAND_READ and substate = MS_BEGIN) or -- initiate read mode for READ command
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(state = M_NAND_READ and substate = MS_BEGIN) or -- initiate read mode for READ command
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(state = M_NAND_READ and substate = MS_SUBMIT_COMMAND1) or -- initiate submission of READ command
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(state = M_NAND_READ and substate = MS_SUBMIT_COMMAND1) or -- initiate submission of READ command
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(state = M_NAND_PAGE_PROGRAM and substate = MS_BEGIN) or -- initiate write mode for PAGE PROGRAM command
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(state = M_NAND_PAGE_PROGRAM and substate = MS_BEGIN) or -- initiate write mode for PAGE PROGRAM command
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(state = M_NAND_PAGE_PROGRAM and substate = MS_SUBMIT_COMMAND1) or -- initiate submission for PAGE PROGRAM command
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(state = M_NAND_PAGE_PROGRAM and substate = MS_SUBMIT_COMMAND1) or -- initiate submission for PAGE PROGRAM command
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(state = M_NAND_READ_ID and substate = MS_BEGIN) or -- initiate submission of READ ID command
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(state = M_NAND_READ_ID and substate = MS_BEGIN) or -- initiate submission of READ ID command
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(state = MI_BYPASS_COMMAND and substate = MS_BEGIN) else -- direct command byte submission
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(state = MI_BYPASS_COMMAND and substate = MS_SUBMIT_COMMAND) else -- direct command byte submission
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'0';
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'0';
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-- Activation of address latch unit
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-- Activation of address latch unit
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ale_activate <= '1' when (state = M_NAND_READ_PARAM_PAGE and substate = MS_SUBMIT_COMMAND) or -- initiate address submission for READ PARAMETER PAGE command
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ale_activate <= '1' when (state = M_NAND_READ_PARAM_PAGE and substate = MS_SUBMIT_COMMAND) or -- initiate address submission for READ PARAMETER PAGE command
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(state = M_NAND_BLOCK_ERASE and substate = MS_SUBMIT_COMMAND) or -- initiate address submission for BLOCK ERASE command
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(state = M_NAND_BLOCK_ERASE and substate = MS_SUBMIT_COMMAND) or -- initiate address submission for BLOCK ERASE command
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(state = M_NAND_READ and substate = MS_SUBMIT_COMMAND) or -- initiate address submission for READ command
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(state = M_NAND_READ and substate = MS_SUBMIT_COMMAND) or -- initiate address submission for READ command
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(state = M_NAND_PAGE_PROGRAM and substate = MS_SUBMIT_ADDRESS) or -- initiate address submission for PAGE PROGRAM command
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(state = M_NAND_PAGE_PROGRAM and substate = MS_SUBMIT_ADDRESS) or -- initiate address submission for PAGE PROGRAM command
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(state = M_NAND_READ_ID and substate = MS_SUBMIT_COMMAND) or -- initiate address submission for READ ID command
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(state = M_NAND_READ_ID and substate = MS_SUBMIT_COMMAND) or -- initiate address submission for READ ID command
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(state = MI_BYPASS_ADDRESS and substate = MS_BEGIN) else -- direct address byte submission
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(state = MI_BYPASS_ADDRESS and substate = MS_SUBMIT_ADDRESS) else -- direct address byte submission
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'0';
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'0';
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-- Activation of read byte mechanism
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-- Activation of read byte mechanism
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io_rd_activate <= '1' when (state = M_NAND_READ_PARAM_PAGE and substate = MS_READ_DATA0) or -- initiate byte read for READ PARAMETER PAGE command
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io_rd_activate <= '1' when (state = M_NAND_READ_PARAM_PAGE and substate = MS_READ_DATA0) or -- initiate byte read for READ PARAMETER PAGE command
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(state = M_NAND_READ_STATUS and substate = MS_READ_DATA0) or -- initiate byte read for READ STATUS command
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(state = M_NAND_READ_STATUS and substate = MS_READ_DATA0) or -- initiate byte read for READ STATUS command
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