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移动a/bqspi读的时序

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RuigeLee
2026-02-13 15:59:45 +08:00
parent 051dea4bda
commit a46c7008b8
1 changed files with 2 additions and 2 deletions
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src/main/scala/backBoard/shin/NSpiInterface.scala
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@@ -79,8 +79,8 @@ trait SyncSpiAsync{ this: SyncSpiInterfaceBase =>
val isAsyncRead = withClockAndReset(negedge_sck, qspi.csn.asAsyncReset){RegInit(false.B)} val isAsyncRead = withClockAndReset(negedge_sck, qspi.csn.asAsyncReset){RegInit(false.B)}
when( bitSel.andR ){ //4线操作 when( bitSel === 0.U ){ //4线操作
when((byteSel === 0.U || byteSel === 1.U || byteSel === 2.U ) ){ when((byteSel === 0.U || byteSel === 1.U || byteSel === 2.U || byteSel === 3.U ) ){
exRego := 0.U //地址0, 地址1，cmd exRego := 0.U //地址0, 地址1，cmd
} .elsewhen( isSpiRead ){ } .elsewhen( isSpiRead ){
when( ~isAsyncRead ){ //取巧//应该增强约束 when( ~isAsyncRead ){ //取巧//应该增强约束