ramn_rw.vhd

Xilinx Ise 官方源代码盘 第四章

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

---1-RHDlbCqR)vHRI0#ERHDMoC7Rq71) 1FRVsFRL0sERCRN8NRM8I0sHC-
-RsaNoRC0:HRXDGHM
H
DLssN$CRHC
C;kR#CHCCC38#0_oDFH4O_43ncN;DD
Ck#RCHCC03#8F_Do_HO#MHoCN83D
D;DsHLNRs$P0HsC;G.
Ck#RsPH0.CG3lOFbCFMM30#N;DD
0CMHR0$)hqv_R)WHR#
RoRRCsMCH5OR
RRRRRRRRlVNHRD$:0R#soHMRR:="MMFC
";RRRRRRRRI0H8ERR:HCM0oRCs:4=Rj
;RRRRRRRRRNs88I0H8ERR:HCM0oRCs:4=RdR;RRRRRR-R-RoLHRFCMkRoEVRFs80CbER
RRRRRRCR8bR0E:MRH0CCos=R:RgU4.R;
RRRRR8RRF_k0sRCo:FRLFNDCM=R:RDVN#RC;RRRR-E-RNF#Rkk0b0CRsoR
RRRRRRHR8MC_soRR:LDFFCRNM:V=RNCD#;RRRR-RR-NRE#NR80HNRM0bkRosC
RSRR#Rs0N_80:NRRs#0H;Mo
ISSsF_l8:CRRs#0HRMo:"=RWa)Q Q_w)"1a;R
RRRRRR8RN8ss_C:oRRFLFDMCNRR:=0CskRRRRR-R-R8ENR8N8s#C#RosC
RRRRRRRR
2;RRRRb0FsRR5
RRRRR7RRm:zaR0FkR8#0_oDFHPO_CFO0sH5I8-0E4FR8IFM0R;j2
RRRRRRRRh7QRRR:H#MR0D8_FOoH_OPC05FsI0H8ER-48MFI0jFR2R;
RRRRRqRR7R7):MRHR8#0_oDFHPO_CFO0s85N8HsI8-0E4FR8IFM0R;j2
RRRRRRRRRW RH:RM0R#8F_Do;HORRRRR-RR-sRIHR0CCLMNDVCRFssRNRl
RRRRRBRRp:iRRRHM#_08DHFoOR;RRRRRRR--OODF	FRVsNRslN,R8,8sRM8H
mSSBRpi:MRHR8#0_oDFH
O;S1S)aRR:H#MR0D8_FOoH;RRRRRRR-s-RC0#CRRFMFbk0ks0RCSo
SR h:MRHR8#0_oDFHSOSR-R-RRCMbRHMFLVRD	FORlsN
2SS;M
C8MRC0$H0Rv)qhW_);N

sHOE00COkRsCLODF	N_slVRFRv)qhW_)R
H#VOkM0MHFRMVkOM_HHL05RL:RFCFDNRM2skC0s#MR0MsHo#RH
oLCHRM
RRHV5RL20MEC
RRRR0sCk5sM";"2
CRRD
#CRRRRskC0s"M5BDFk8FRM0lRHblDCCRM0AODF	qR)vQ3R#ER0CCRsNN8R8C8s#s#RC#oH0CCs8#RkHRMo0REC#CNlRFODON	R#ER0CqR)v2?";R
RCRM8H
V;CRM8VOkM_HHM0N;
0H0sLCk0RMoCC0sNFss_CsbF0RR:#H0sM
o;-0-N0LsHkR0CoCCMsFN0sC_sb0FsRRFVLODF	N_slRR:NEsOHO0C0CksRRH#VOkM_HHM0F58ks0_C;o2
MVkOF0HM0R#soHM.P#D5:NRRs#0H2MoR0sCkRsM#_08DHFoOC_POs0FR
H#PHNsNCLDRP#DR#:R0D8_FOoH_OPC05FsNH'EoNE-'IDFRI8FMR0Fj
2;PHNsNCLDR:HRR0HMCsoC;C
Lo
HMRFRVsRRHHjMRRR0F#'DPEEHoRFDFbR
RRVRHR55NNH'EoHE-2RR='24'RC0EMR
SRP#D5RH2:'=R4
';S#CDCR
SRP#D5RH2:'=Rj
';S8CMR;HV
CRRMD8RF;Fb
sRRCs0kMDR#PC;
M#8R0MsHoD.#PV;
k0MOHRFM#.DP#H0sMNo5R#:R0D8_FOoH_OPC02FsR0sCkRsM#H0sMHoR#N
PsLHND#CRR#:R0MsHo'5NEEHo-DN'F4I+RI8FMR0F4
2;PHNsNCLDR:HRR0HMCsoC;C
Lo
HMRFRVsRRHHNMR'IDFRR0FNH'EoDERF
FbRRRRH5VRN25HR'=R4R'20MEC
RSR#-5HNF'DI2+4RR:=';4'
DSC#SC
R5R#H'-ND+FI4:2R=jR''S;
CRM8H
V;RMRC8FRDF
b;RCRs0MksR
#;CRM8#.DP#H0sM
o;Ns00H0LkCORG_Fbsb:#RRs#0H;Mo
O--F0M#NRM0#NsPDRR:#_08DHFoOC_POs0F58IH04E-RI8FMR0Fj:2R=0R#soHM.P#D50s#_08NN
2;-L-RCMoHRFLDOs	RNHlRlCbDl0CMNF0HMHR#oDMN#k
VMHO0FoMRCO0_EOFHCH_I850EI0H8ERR:HCM0o2CsR0sCkRsMHCM0oRCsHP#
NNsHLRDCPRND:MRH0CCos=R:R
j;PHNsNCLDRP8HdR.,84HPn8,RH,PURP8Hc8,RH,P.RP8H4RR:HCM0o;Cs
oLCHRM
RP8Hd:.R=IR5HE80-/42d
.;RHR8PR4n:5=RI0H8E2-4/;4n
8RRHRPU:5=RI0H8E2-4/
U;RHR8P:cR=IR5HE80-/42cR;
RP8H.=R:RH5I8-0E4.2/;R
R84HPRR:=58IH04E-2R;
RRHV5P8H4RR>j02RE
CMRRRRPRND:P=RN+DRR
4;RMRC8VRH;R
RH5VR8.HPRj>R2ER0CRM
RPRRN:DR=NRPDRR+4R;
R8CMR;HV
HRRV8R5HRPc>2RjRC0EMR
RRNRPD=R:RDPNR4+R;R
RCRM8H
V;RVRHRH58P>URRRj20MEC
RRRRDPNRR:=PRND+;R4
CRRMH8RVR;
RRHV5P8H4>nRRRj20MEC
RRRRDPNRR:=PRND+;R4
CRRMH8RV-;
-HRRV8R5H.PdRj>R2ER0C-M
-RRRRDPNRR:=PRND+;R4
R--R8CMR;HV
sRRCs0kM.R5RR**P2ND;M
C8CRo0E_OFCHO_8IH0
E;VOkM0MHFR0oC_FOEH_OC80CbEC58bR0E:MRH0CCoss2RCs0kMMRH0CCos#RH
sPNHDNLC_R8OHEFO8C_CEb0RH:RMo0CC:sR=;Rj
oLCHRM
RRHV5b8C0>ERRgU4.02RE
CMRRRR8E_OFCHO_b8C0:ER=nR4d;Uc
CRRDV#HRC58bR0E<U=R4Rg.NRM880CbERR>cnjgR02RE
CMRRRR8E_OFCHO_b8C0:ER=4RUg
.;RDRC#RHV5b8C0<ER=jRcgNnRM88RCEb0R.>Rj2cURC0EMR
RR_R8OHEFO8C_CEb0RR:=cnjg;R
RCHD#V8R5CEb0RR<=.UjcR8NMRb8C0>ERR.4jcRR20MEC
RRRRO8_EOFHCC_8bR0E:.=Rj;cU
CRRDV#HRC58bR0E<4=RjR.cNRM880CbERR>624.RC0EMR
RR_R8OHEFO8C_CEb0RR:=4cj.;R
RCHD#V8R5CEb0RR<=624.RC0EMR
RR_R8OHEFO8C_CEb0RR:=6;4.
CRRMH8RVR;
R0sCkRsM8E_OFCHO_b8C0
E;CRM8o_C0OHEFO8C_CEb0;O

F0M#NRM0IE_OFCHO_8IH0:ERR0HMCsoCRR:=o_C0OHEFOIC_HE8058IH0;E2
MOF#M0N0_RIOHEFO8C_CEb0RH:RMo0CC:sR=nR4d/UcIE_OFCHO_8IH0
E;O#FM00NMRO8_EOFHCC_8bR0E:MRH0CCos=R:R0oC_FOEH_OC80CbEC58b20E;F
OMN#0M80R_FOEH_OCI0H8ERR:HCM0oRCs:4=RncdU/O8_EOFHCC_8b;0E
k
VMHO0FoMRCM0_kOl_C#DD5RI8:MRH0CCosE;OFCHO_RI8:MRH0CCoss2RCs0kMMRH0CCos#RH
sPNHDNLCkRMlC_ODRD#:MRH0CCosL;
CMoH
MRRkOl_C#DDRR:=5-I84O2/EOFHC8_IR4+R;R
RskC0sMMRkOl_C#DD;M
C8CRo0k_MlC_OD;D#
k
VMHO0FoMRC#0_H5xCIRMO:MRH0CCos8;RM:ORR0HMCsoC2CRs0MksR0HMCsoCR
H#LHCoMR
RR0sCkRsMIRMO*MR8OC;
Mo8RC#0_H;xC
k
VMHO0FoMRCL0_F8FD5#8_HRxC:MRH0CCosI;R_x#HCRR:HCM0o;CsRO8_IRR:HCM0o;CsROI_IRR:HCM0o2CsR0sCkRsMHCM0oRCsHL#
CMoH
RHV5#8_HRxC<I=R_x#HC02RE
CMRCRs0MksRO8_IC;
D
#CRCRs0MksROI_IC;
MH8RVC;
Mo8RCL0_F8FD;k
VMHO0FoMRCC0_M88_CEb05x#HCRR:HCM0oRCs;CR8bR0E:MRH0CCoss2RCs0kMMRH0CCos#RH
sPNHDNLCHRlMH_#x:CRR0HMCsoCRR:=jL;
CMoH
lRRH#M_HRxC:8=RCEb0;R
RH5VR#CHxR8<RCEb02ER0CRM
RlRRH#M_HRxC:#=RH;xC
CRRMH8RVR;
R0sCkRsMl_HM#CHx;M
C8CRo0M_C8C_8b;0E
F
OMN#0MO0REOFHCH_I8R0E:MRH0CCos=R:R0oC_FLFDo85C#0_H5xCo_C0M_klODCD#H5I8,0ERO8_EOFHCH_I820E,0oC_lMk_DOCD8#5CEb0,_R8OHEFO8C_CEb02
2,RRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRR0oC_x#HCC5o0k_MlC_OD5D#I0H8EI,R_FOEH_OCI0H8Eo2,CM0_kOl_C#DD5b8C0RE,IE_OFCHO_b8C02E2,S
SSSSSSSSSS_R8OHEFOIC_HE80,_RIOHEFOIC_HE802O;
F0M#NRM0I0H8Ek_MlC_ODRD#:MRH0CCos=R:R0oC_FLFDo85C#0_H5xCo_C0M_klODCD#H5I8,0ERO8_EOFHCH_I820E,0oC_lMk_DOCD8#5CEb0,_R8OHEFO8C_CEb02
2,RRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRo_C0#CHx50oC_lMk_DOCDI#5HE80,_RIOHEFOIC_HE802C,o0k_MlC_OD5D#80CbEI,R_FOEH_OC80CbE,22
SSSSSSSSSSSRRRR58IH04E-2_/8OHEFOIC_HE80,IR5HE80-/42IE_OFCHO_8IH0RE2+;R4
MOF#M0N0CR8b_0EM_klODCD#RR:HCM0oRCs:o=RCL0_F8FD50oC_x#HCC5o0k_MlC_OD5D#I0H8E8,R_FOEH_OCI0H8Eo2,CM0_kOl_C#DD5b8C0RE,8E_OFCHO_b8C02E2,R
RRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRR0oC_x#HCC5o0k_MlC_OD5D#I0H8EI,R_FOEH_OCI0H8Eo2,CM0_kOl_C#DD5b8C0RE,IE_OFCHO_b8C02E2,S
SSSSSSSSSR5RR80CbE2-4/O8_EOFHCC_8b,0ERC58b-0E4I2/_FOEH_OC80CbE+2RRS4;RF
OMN#0Mx0RCRsF:0R#8F_Do_HOP0COFOs5EOFHCH_I8*0EI0H8Ek_MlC_OD-D#I0H8ER-48MFI0jFR2=R:R05FE#CsRR=>'2j';F
OMN#0M#0RsDPN_P#DR#:R0D8_FOoH_OPC05FsOHEFOIC_HE80*8IH0ME_kOl_C#DD-84RF0IMF2RjRR:=xFCsR#&R0MsHoD.#P#5s0N_80;N2
MOF#M0N0sR#PRND:0R#soHM5FOEH_OCI0H8EH*I8_0EM_klODCD#FR8IFM0RR42:#=RD#P.0MsHos5#P_ND#2DP;-
-#MHoNRD#VRFsM-FMDN#EbRC8LODF	NRsl0#
$RbCF_k0L4k#_b0$C#RHRsNsN5$R80CbEk_MlC_OD-D#4FR8IFM0RRj,I0H8Ek_MlC_OD-D#4FR8IFM0RRj2F#VR0D8_FOoH;H
#oDMNR0Fk_#Lk4RR:F_k0L4k#_b0$CR;RRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRR-R-RR.7NNss$VRFRk8F0HR5M0bkRR0F0-sH#00NC
#20C$bR0Fk_#Lk.$_0bHCR#sRNsRN$5b8C0ME_kOl_C#DD-84RF0IMF,RjRI.*HE80_lMk_DOCD4#+RI8FMR0FjF2RV0R#8F_Do;HO
o#HMRNDF_k0L.k#RF:RkL0_k_#.0C$b;RRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRR--.N7Rs$sNRRFV80FkRM5HbRk000FRs#H-0CN0#02
$RbCF_k0Lck#_b0$C#RHRsNsN5$R80CbEk_MlC_OD-D#4FR8IFM0RRj,cH*I8_0EM_klODCD#R+d8MFI0jFR2VRFR8#0_oDFH
O;#MHoNFDRkL0_kR#c:kRF0k_L#0c_$;bCRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRR-.-R7sRNsRN$F8VRFRk05bHMk00RFsR0H0-#N#0C2$
0bFCRkL0_k_#U0C$bRRH#NNss$8R5CEb0_lMk_DOCD4#-RI8FMR0FjU,R*8IH0ME_kOl_C#DD+8(RF0IMF2RjRRFV#_08DHFoO#;
HNoMDkRF0k_L#:URR0Fk_#LkU$_0bRC;RRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRR-RR-7R.RsNsNF$RVFR8k50RHkMb0FR0RH0s-N#002C#
b0$CkRF0k_L#_4n0C$bRRH#NNss$8R5CEb0_lMk_DOCD4#-RI8FMR0Fj4,RnH*I8_0EM_klODCD#6+4RI8FMR0FjF2RV0R#8F_Do;HO
o#HMRNDF_k0L4k#nRR:F_k0L4k#n$_0bRC;RRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRR-RR-7R.RsNsNF$RVFR8k50RHkMb0FR0RH0s-N#002C#
b0$CkRF0k_L#_d.0C$bRRH#NNss$8R5CEb0_lMk_DOCD4#-RI8FMR0Fjd,R.H*I8_0EM_klODCD#4+dRI8FMR0FjF2RV0R#8F_Do;HO
o#HMRNDF_k0Ldk#.RR:F_k0Ldk#.$_0bRC;RRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRR-RR-7R.RsNsNF$RVFR8k50RHkMb0FR0RH0s-N#002C#
o#HMRNDF_k0C:MRR8#0_oDFHPO_CFO0sC58b_0EM_klODCD#R-48MFI0jFR2R;RRRRRRRRRRRRRRRRRRRRRRRRRRRRRR-RR-MRCNCLD#FRVssR0H0-#N#0C
o#HMRNDI_s0C:MRR8#0_oDFHPO_CFO0sC58b_0EM_klODCD#R-48MFI0jFR2R;RRRRRRRRRRRRRRRRRRRRRRRRRRRRRR-RR-sRIHR0CCLMNDRC#VRFsCENORIsFRRFV)RqvODCD#H
#oDMNR_HMsRCo:0R#8F_Do_HOP0COFIs5HE80+Rd48MFI0jFR2R;RRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRR--k8#CRR0FsHCo#s0CRh7QRH
#oDMNR0Fk_osCR#:R0D8_FOoH_OPC05FsI0H8E4+dRI8FMR0FjR2;RRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRR--k8#CRR0FsHCo#s0CRz7maH
#oDMNR_N8sRCo:0R#8F_Do_HOP0COFNs58I8sHE80-84RF0IMF2Rj;RRRRRRRRRRRRRRRRRRRRRRRRRRRRRRR-k-R#RC80sFRC#oH0RCsq)77
o#HMRNDD_FINs88R#:R0D8_FOoH_OPC05Fs48dRF0IMF2Rj;RRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRR-N-R8R8sL#H0RbHMk00RFqR)vCRODRD#5LcRHR0#skCJH8sC2H
#oDMNRsN8C:oRR8#0_oDFHPO_CFO0s85N8HsI8-0E4FR8IFM0R;j2RR--0sFRC#oH0RCs0REC#CCDO#0RHNoMDVRFRH0s#00NC-
-R8CMRFLDOs	RNHlRlCbDl0CMNF0HMHR#oDMN#0
N0LsHkR0C\N3slV_FV0#C\RR:#H0sM
o;
oLCHRM
RR
RR-R-RRQVNs88I0H8ERR<OHEFOIC_HE80R#N#HRoM'Rj'0kFRMCk#8HRL0R#
RzRRj:RRRRHV58N8s8IH0=ERRR42oCCMsCN0
RSRRFRDI8_N8<sR=jR"jjjjjjjjjjjj"RR&Ns8_Cjo52S;
CRM8oCCMsCN0R;zj
RRRRRz4RH:RVNR58I8sHE80R.=R2CRoMNCs0SC
RRRRD_FINs88RR<="jjjjjjjjjjjj&"RR_N8s5Co4FR8IFM0R;j2
MSC8CRoMNCs0zCR4R;
RzRR.:RRRRHV58N8s8IH0=ERRRd2oCCMsCN0
RSRRFRDI8_N8<sR=jR"jjjjjjjjjRj"&8RN_osC58.RF0IMF2Rj;C
SMo8RCsMCNR0Cz
.;RRRRzRdR:VRHR85N8HsI8R0E=2RcRMoCC0sNCR
SRDRRFNI_8R8s<"=RjjjjjjjjjRj"&8RN_osC58dRF0IMF2Rj;C
SMo8RCsMCNR0Cz
d;RRRRzRcR:VRHR85N8HsI8R0E=2R6RMoCC0sNCR
SRDRRFNI_8R8s<"=Rjjjjjjjjj&"RR_N8s5CocFR8IFM0R;j2
MSC8CRoMNCs0zCRcR;
RzRR6:RRRRHV58N8s8IH0=ERRRn2oCCMsCN0
RSRRFRDI8_N8<sR=jR"jjjjj"jjRN&R8C_soR568MFI0jFR2S;
CRM8oCCMsCN0R;z6
RRRRRznRH:RVNR58I8sHE80R(=R2CRoMNCs0SC
RRRRD_FINs88RR<="jjjjjjj"RR&Ns8_Cno5RI8FMR0Fj
2;S8CMRMoCC0sNCnRz;R
RR(RzRRR:H5VRNs88I0H8ERR=Uo2RCsMCN
0CSRRRRIDF_8N8s=R<Rj"jjjjj"RR&Ns8_C(o5RI8FMR0Fj
2;S8CMRMoCC0sNC(Rz;R
RRURzRRR:H5VRNs88I0H8ERR=go2RCsMCN
0CSRRRRIDF_8N8s=R<Rj"jj"jjRN&R8C_soR5U8MFI0jFR2S;
CRM8oCCMsCN0R;zU
RRRRRzgRH:RVNR58I8sHE80R4=Rjo2RCsMCN
0CSRRRRIDF_8N8s=R<Rj"jjRj"&8RN_osC58gRF0IMF2Rj;C
SMo8RCsMCNR0Cz
g;RRRRzR4jRH:RVNR58I8sHE80R4=R4o2RCsMCN
0CSRRRRIDF_8N8s=R<Rj"jj&"RR_N8s5Co48jRF0IMF2Rj;C
SMo8RCsMCNR0Cz;4j
RRRR4z4RRR:H5VRNs88I0H8ERR=4R.2oCCMsCN0
RSRRFRDI8_N8<sR=jR"j&"RR_N8s5Co484RF0IMF2Rj;C
SMo8RCsMCNR0Cz;44
RRRR.z4RRR:H5VRNs88I0H8ERR=4Rd2oCCMsCN0
RSRRFRDI8_N8<sR=jR''RR&Ns8_C4o5.FR8IFM0R;j2
MSC8CRoMNCs0zCR4
.;RRRRzR4dRH:RVNR58I8sHE80R4>Rdo2RCsMCN
0CSRRRRIDF_8N8s=R<R_N8s5Co48dRF0IMF2Rj;C
SMo8RCsMCNR0Cz;4d
R
RR-R-RRQV5M8H_osC2CRso0H#C7sRQkhR#oHMRiBp
RRRRcz4RRR:H5VR8_HMs2CoRMoCC0sNCR
RRRRRRsRbF#OC#BR5pRi,72QhRoLCHRM
RRRRRRRRRHRRVBR5p=iRR''4R8NMRiBp'CCPMR020MEC
RRRRRRRRRRRRRRRR_HMsRCo<5=R"jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj&"RRh7Q2R;
RRRRRRRRRCRRMH8RVR;
RRRRRCRRMb8RsCFO#
#;S8CMRMoCC0sNC4RzcR;
RzRR4R6R:VRHRF5M0HR8MC_soo2RCsMCN
0CRRRRRRRRRRRRHsM_C<oR="R5jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj"RR&72Qh;C
SMo8RCsMCNR0Cz;46