ram_rw.vhd

Xilinx Ise 官方源代码盘 第四章

--
@ER--RbBF$osHE50RO42RgRgU1b$MDHHO0R$,Q3MO
R--RDqDRosHER0#sCC#s8PC3-
-

---1-RHDlbCqR)vHRI0#ERHDMoC7Rq71) 1FRVsFRL0sERCRN8NRM8I0sHC-
-RsaNoRC0:HRXDGHM

--DsHLNRs$HCCC;#
kCCRHC#C30D8_FOoH_n44cD3NDk;
#HCRC3CC#_08DHFoOH_#o8MC3DND;H
DLssN$ORGcjjj;#
kCORGcjjj3lOFbCFMM30#N;DD
0CMHR0$)_qv)HWR#R
RRCRoMHCsO
R5RRRRRRRRVHNlDR$:#H0sM:oR=MR"F"MC;R
RRRRRRHRI8R0E:MRH0CCos=R:RRU;
RRRRRRRR8N8s8IH0:ERR0HMCsoCRR:=cR;RRRRRR-R-RoLHRFCMkRoEVRFs80CbER
RRRRRRCR8bR0E:MRH0CCos=R:R;4n
RRRRRRRRk8F0C_soRR:LDFFCRNM:V=RNCD#;RRRR-R-R#ENR0FkbRk0s
CoRRRRRRRR8_HMsRCo:FRLFNDCM=R:RDVN#RC;RRRRRR--ERN#8NN0RbHMks0RCRo
RRRRRNRR8_8ssRCo:FRLFNDCM=R:RDVN#RCRRRRR-E-RNN8R8C8s#s#RCRo
RRRRR2RR;R
RRFRbs50R
RRRRRRRRz7maRR:FRk0#_08DHFoOC_POs0F58IH04E-RI8FMR0Fj
2;RRRRRRRR7RQhRH:RM0R#8F_Do_HOP0COFIs5HE80-84RF0IMF2Rj;R
RRRRRR7Rq7:)RRRHM#_08DHFoOC_POs0F58N8s8IH04E-RI8FMR0Fj
2;RRRRRRRRWR R:MRHR8#0_oDFHRO;RRRRR-R-RHIs0CCRMDNLCFRVsNRslR
RRRRRRpRBiRR:H#MR0D8_FOoH;RRRRRRR-O-RD	FORsVFRlsN,8RN8Rs,8
HMRRRRRRRRmiBpRH:RM0R#8F_DoRHORRRRR-R-R0FbRFODOV	RF8sRF
k0RRRRRRRR2C;
MC8RM00H$qR)vW_);-

--
-R#pN0lRHblDCCNM00MHFRRH#8NCVk
D0-N-
sHOE00COkRsC#CCDOs0_NFlRVqR)vW_)R
H#O#FM00NMRlMk_DOCD:#RR0HMCsoCRR:=5855CEb0R4-R2RR/dR.2+5R55b8C0-ERRR42lRF8dR.2/nR42R2;R-R-RFyRVqR)vXd.4O1RC#DDRCMC8RC8
MOF#M0N0CRDVF0_PRCs:MRH0CCos=R:R55580CbERR+4R62lRF8dR.2/nR42R;RRRRRRRRRRRRRRRRRRRRRR-RR-RRyF)VRqnv4XR41M8CCCV8RFDsRCRV0FsPCRsIF80#
$RbCF_k0L_k#0C$bRRH#NNss$MR5kOl_C#DDRI8FMR0FjI,RHE80-84RF0IMF2RjRRFV#_08DHFoO#;
HNoMDkRF0k_L#RR:F_k0L_k#0C$b;RRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRR--.N7Rs$sNRRFV80FkRM5HbRk000FRs#H-0CN0##2
HNoMDkRF0M_CR#:R0D8_FOoH_OPC05FsM_klODCD#FR8IFM0R;j2RRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRR--CLMNDRC#VRFs0-sH#00NC##
HNoMDkRF0M_C_R4n:0R#8F_Do;HO
o#HMRNDI_s0C:MRR8#0_oDFHPO_CFO0sk5MlC_ODRD#8MFI0jFR2R;RRRRRRRRRRRRRRRRRRRRRRRRRRRRRR-RR-sRIHR0CCLMNDRC#VRFsCENORIsFRRFV)RqvODCD#H
#oDMNR0Is__CM4:nRR8#0_oDFH
O;#MHoNHDRMC_soRR:#_08DHFoOC_POs0F58IH04E-RI8FMR0FjR2;RRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRR-R-RCk#8FR0RosCHC#0sQR7h#R
HNoMDkRF0C_soRR:#_08DHFoOC_POs0F58IH04E-RI8FMR0FjR2;RRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRR--k8#CRR0FsHCo#s0CRz7maH
#oDMNR_N8sRCo:0R#8F_Do_HOP0COFNs58I8sHE80-84RF0IMF2Rj;RRRRRRRRRRRRRRRRRRRRRRRRRRRRRRR-k-R#RC80sFRC#oH0RCsq)77
o#HMRNDD_FINs88R#:R0D8_FOoH_OPC05FscFR8IFM0R;j2RRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRR-RR-8RN8LsRHR0#HkMb0FR0Rv)qRDOCD5#RcHRL0s#RCHJks2C8
C
Lo
HM
RRRRR--QNVR8I8sHE80R6<RR#N#HRoM'Rj'0kFRMCk#8HRL0R#
RzRRj:RRRRHV58N8s8IH0=ERRR42oCCMsCN0
RRRRRRRRIDF_8N8s=R<Rj"jjRj"&8RN_osC5;j2
RRRR8CMRMoCC0sNCjRz;R
RR4RzRRR:H5VRNs88I0H8ERR=.o2RCsMCN
0CRRRRRRRRD_FINs88RR<="jjj"RR&Ns8_C4o5RI8FMR0Fj
2;RRRRCRM8oCCMsCN0R;z4
RRRRRz.RH:RVNR58I8sHE80Rd=R2CRoMNCs0RC
RRRRRDRRFNI_8R8s<"=RjRj"&8RN_osC58.RF0IMF2Rj;R
RRMRC8CRoMNCs0zCR.R;
RzRRd:RRRRHV58N8s8IH0=ERRRc2oCCMsCN0
RRRRRRRRIDF_8N8s=R<R''jRN&R8C_soR5d8MFI0jFR2R;
RCRRMo8RCsMCNR0Cz
d;RRRRzRcR:VRHR85N8HsI8R0E>2RcRMoCC0sNCR
RRRRRRFRDI8_N8<sR=8RN_osC58cRF0IMF2Rj;R
RRMRC8CRoMNCs0zCRc
;
RRRR-Q-RV8R5HsM_CRo2sHCo#s0CRh7QRHk#MBoRpRi
RzRR6:RRRRHV5M8H_osC2CRoMNCs0RC
RRRRRbRRsCFO#5#RB,piRh7Q2CRLo
HMRRRRRRRRRRRRH5VRBRpi=4R''MRN8pRBiP'CC2M0RC0EMR
RRRRRRRRRRRRRRMRH_osCRR<=7;Qh
RRRRRRRRRRRR8CMR;HV
RRRRRRRR8CMRFbsO#C#;R
RRMRC8CRoMNCs0zCR6R;
RzRRn:RRRRHV50MFRM8H_osC2CRoMNCs0RC
RRRRRRRRRHRRMC_so=R<Rh7Q;R
RRMRC8CRoMNCs0zCRn
;
RRRR-Q-RV8R5F_k0s2CoRosCHC#0smR7zkaR#oHMRpmBiR
RR(RzRRR:H5VR80Fk_osC2CRoMNCs0RC
RRRRRbRRsCFO#5#RmiBp,kRF0C_soL2RCMoH
RRRRRRRRRRRRRHV5pmBiRR='R4'NRM8miBp'CCPMR020MEC
RRRRRRRRRRRRRRRRz7ma=R<R0Fk_osC;R
RRRRRRRRRRMRC8VRH;R
RRRRRRMRC8sRbF#OC#R;
RRRRRCRRMo8RCsMCNR0Cz
(;RRRRzRUR:VRHRF5M0FR8ks0_CRo2oCCMsCN0
RRRRRRRRRRRRz7ma=R<R0Fk_osC;R
RRMRC8CRoMNCs0zCRU
;
RRRR-Q-RVNR58_8ss2CoRosCHC#0s7Rq7k)R#oHMRiBp
RRRRRzgRH:RVNR58_8ss2CoRMoCC0sNCR
RRRRRRsRbF#OC#BR5pRi,q)772CRLo
HMRRRRRRRRRRRRH5VRBRpi=4R''MRN8pRBiP'CC2M0RC0EMR
RRRRRRRRRRRRRR8RN_osCRR<=q)7758N8s8IH04E-RI8FMR0Fj
2;RRRRRRRRRRRRCRM8H
V;RRRRRRRRCRM8bOsFC;##
RRRR8CMRMoCC0sNCgRz;R
RR4RzjRR:H5VRMRF0Ns88_osC2CRoMNCs0RC
RRRRRRRRRNRR8C_so=R<R7q7)R;
RCRRMo8RCsMCNR0Cz;4j
RRRRRRRRR
RR-R-RMtCC0sNCER0CqR)vCRODRD#NRM8#CCDOD0RFOoH
RRRR4z4RV:RFHsRRRHM5lMk_DOCD-#RRR428MFI0jFRRMoCC0sNCR
RR-R-RRQV58N8s8IH0>ERRR62M8CCRR0FONsC0ICRsCH0RNCMLRDCNRM8Fbk0kC0RMDNLCCR#D0CORoDFHRO
RRRRRzRR4:.RRRHV58N8s8IH0>ERRR62oCCMsCN0
RRRRRRRRRRRRRRRR0Fk_5CMH<2R=4R''ERIC5MRNs8_CNo58I8sHE80-84RF0IMF2R6RH=R2DRC#'CRj
';RRRRRRRRRRRRRRRRI_s0CHM52=R<RRW IMECR85N_osC58N8s8IH04E-RI8FMR0F6=2RRRH2CCD#R''j;R
RRRRRRRRRRMRC8CRoMNCs0zCR4
.;RRRR-Q-RVNR58I8sHE80RR<=6M2RFsRIHR0CCLMNDFCRskRF00bkRNCMLRDC#CCDOD0RFOoHRCMC8
C8RRRRRRRRzR4d:VRHR85N8HsI8R0E<6=R2CRoMNCs0RC
RRRRRRRRRRRRRFRRkC0_M25HRR<=';4'
RRRRRRRRRRRRRRRR0Is_5CMH<2R= RW;R
RRRRRRRRRRMRC8CRoMNCs0zCR4
d;RRRR-t-RCsMCNR0C0REC)RqvODCD#MRN8sR0H0-#N#0C
RRRRRRRRcz4RV:RF[sRRRHM58IH0-ERRR428MFI0jFRRMoCC0sNCR
RRRRRRRRRR)Rzq.vdR):Rq.vdXR41
RRRRRRRRRRRRRRRRsbF0NRlb7R5RR=>HsM_C[o52q,Rj>R=RIDF_8N8s25j,4RqRR=>D_FINs885,42RRq.=D>RFNI_858s.
2,RRRRRRRRRRRRRRRRRRRRRRRRRdRqRR=>D_FINs885,d2RRqc=D>RFNI_858scR2,W= R>sRI0M_C5,H2RpWBi>R=RiBp,RRm=F>RkL0_kH#5,2[2;R
RRRRRRRRRRRRRRkRF0C_so25[RR<=F_k0L5k#H2,[RCIEMFR5kC0_M25HR'=R4R'2CCD#R''Z;R
RRRRRRRRRRMRC8CRoMNCs0zCR4
c;RRRRRRRRCRM8oCCMsCN0R4z4;RRRRRRRRRRRRR
RRRRR
RRRRR--tCCMsCN0R4NRnFRIs88RCRCb)RqvODCDRRHVNsbbFHbsNR0CRRRRRRRRRRRRRRR
RzRR4:6RRRHV5VDC0P_FC=sRRR42oCCMsCN0
RRRRR--Q5VRNs88I0H8ERR>6M2RCRC80OFRs0CNCsRIHR0CCLMNDNCRMF8Rkk0b0MRCNCLDRD#CCRO0DHFoOR
RRRRRR4RznRR:H5VRNs88I0H8ERR>6o2RCsMCN
0CRRRRRRRRRRRRRRRRF_k0C4M_n=R<R''4RCIEM5R5Ns8_CNo58I8sHE80-84RF0IMF2R6RM=RkOl_C#DD2MRN8NR58C_so25cR'=Rj2'2R#CDCjR''R;
RRRRRRRRRRRRRIRRsC0_Mn_4RR<=WI RERCM585N_osC58N8s8IH04E-RI8FMR0F6=2RRlMk_DOCDR#2NRM85_N8s5Coc=2RR''j2C2RDR#C';j'
RRRRRRRRRRRR8CMRMoCC0sNC4RznR;
R-RR-VRQR85N8HsI8R0E<6=R2FRMRHIs0CCRMDNLCsRFR0FkbRk0CLMND#CRCODC0FRDoRHOM8CCCR8
RRRRRzRR4:(RRRHV58N8s8IH0<ER=2R6RMoCC0sNCR
RRRRRRRRRRRRRRkRF0M_C_R4n<'=R4
';RRRRRRRRRRRRRRRRI_s0C4M_n=R<R;W 
RRRRRRRRRRRR8CMRMoCC0sNC4Rz(R;
R-RR-CRtMNCs00CRE)CRqOvRCRDDNRM80-sH#00NCR
RRRRRR4RzURR:VRFs[MRHRH5I8R0E-2R4RI8FMR0FjCRoMNCs0RC
RRRRRRRRRzRR)4qvnRR:)4qvn1X4RR
RRRRRRRRRRRRRRFRbsl0RN5bR7>R=R_HMs5Co[R2,q=jR>FRDI8_N8js52q,R4>R=RIDF_8N8s254,.RqRR=>D_FINs885,.2
RRRRRRRRRRRRRRRRRRRRRRRRqRRd>R=RIDF_8N8s25d, RWRR=>I_s0C4M_nW,RBRpi=B>RpRi,m>R=R0Fk_#Lk5lMk_DOCD[#,2
2;RRRRRRRRRRRRRRRRF_k0s5Co[<2R=kRF0k_L#k5MlC_OD,D#[I2RERCM50Fk__CM4=nRR''42DRC#'CRZ
';RRRRRRRRRRRRCRM8oCCMsCN0RUz4;R
RRRRRRMRC8CRoMNCs0zCR4R6;RRRRRRRRRC

MN8RsHOE00COkRsC#CCDOs0_N
l;