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S-CPU — S-NES-BOY is a Learning & Development Framework for three Nintendo systems: NES (Nintendo Entertainment System), SNES (Super Nintendo Entertainment System), and Game Boy (DMG/CGB). | Open App Note

S-NES-BOY

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S-NES-BOY is a Learning & Development Framework for three Nintendo systems: NES (Nintendo Entertainment System), SNES (Super Nintendo Entertainment System), and Game Boy (DMG/CGB).

Components (60)

AAHT?,AAKO?,ASBC?,ASEA?,ASIK?,BAGU?,BBAR?,BSCX?,CSDS?,CSGZ?,DSAC?,DTQU?,EBQY?,GMEX?,GMNY?,GMSH?,GMVF?,GNBN?,GNCF?,GNKJ?,GNQI?,HFJQ?,HFPC?,HFSC?,HFYF?,HGDM?,HGFS?,HGHK?,HGRD?,HGRQ?,HHDH?,HHKS?,IAQD?,IAQV?,JAHF?,JAXC?,JBQV?,JBRI?,JGON?,JGRZ?,JGYM?,JGYV?,JHDZ?,JHHT?,JHSJ?,JHSZ?,KAHG?,KFCL?,KMAZ?,KMBK?,KMCA?,KMDK?,KMEU?,KMEY?,KMGA?,KMHD?,KMHW?,KMLK?,KMQC?,KMRM?,KMSG?,KMUQ?,KMVO?,KMVR?,LCSG?,LFJV?,MAAG?,MABB?,MAVB?,NAPZ?,NBCF?,NBEP?,NBIE?,NGLG?,OALA?,OAXV?,OBEE?,OBEQ?,OCEG?,OCQI?,OCVK?,OORF?,PAEB?,PASU?,POPB?,POSD?,POUO?,QBBI?,QBOC?,QBSN?,QOYJ?,ROLZ?,ROMP?,SKCM?,SODM?,SONJ?,SOPE?,SOUV?,SOZO?,TBOC?,TKAC?,TKIB?,TOAY?,UOCE?,UOFY?,UOGG?,UOKI?,UONJ?,VBBU?,VBCP?,VOLG?,WAWQ?,WOIX?,XOFV?,XOPA?,XPDE?,YOLV?,ZOGY?
Reference	Value	Description
QOMK?,QOSC?,SAHV?,SBRW?,SOKC?,SOMK?,VAWR?	DFFSR	Positive-edge-triggered data flip-flop with active-low asynchronous set and reset.
U1	65C816
UBDP?,UBEF?,UBET?	DEMUX_1-2	1 to 2 Demux
AABC?,AABZ?,BAAG?,BAAO?,BABK?,BABL?,CACL?,CAFH?,DBIS?,DBJW?,DBPI?,DBPP?,DBVA?,EFEZ?,FFHX?,GAJP?,GBTL?,GFCS?,HAKW?,HASI?,HAXK?,HBPL?,IBEP?,IBUD?,JBDJ?,JBIL?,JBQK?,LBOP1-LBOP8,LBOP?,LCIH?,MAGR?,MAGV?,MASS?,MAWK?,MBCD?,MBSK?,NAGK?,NAJD?,NAQE?,NBBM?,NBEB?,NBEG?,NBHJ?,NBHM?,NBKW?,NBPG?,NBQA?,NBRL?,OACU?,OAFI?,OAFM?,OAGC?,OAGE?,OANZ?,OATI?,OBXZ?,OCHV?,OCOG?,OCRQ?,OCRS?,ODIB?,ODQC?,ODSN?,OEAE?,VAAG?,VASJ?,WAAH?,YKMY?	BUF	Simple buffer
AAFD?,AGJS?,AMZL?,BALC?,BANP?,BGIJ?,CGAY?,DCBP?,DGLJ?,DTBB?,EGGS?,FBFE?,FGJP?,GBEI?,GFVV?,GGKX?,GGMX?,GMNG?,GMOP?,GMUF?,GMYD?,GNBU?,GNIX?,GNPC?,GNSN?,HALC?,HBCT?,HBGA?,HFCV?,HFDV?,HFET?,HFOS?,HGJS?,HHKW?,HHOJ?,HMDF?,IANF?,IAQU?,IBGG?,IBKU?,IBUA?,IMBE?,IMHO?,IMLM?,JBCR?,JMIB?,KBVA?,KBWT?,KMBX?,LBOQ?,LBQM?,MAHR?,MAJY?,MAWW?,MBDX?,MBZG?,NBJW?,NBUB?,NBZA?,NCAN?,NGBH?,OAHW?,OMVB?,PKFR?,POOO?,PORE?,QAGL?,QAJG?,QAUT?,QBHQ?,QBVK?,QOHV?,RODU?,ROHL?,ROKI?,SAAN?,SACW?,SALQ?,SAOC?,SBHV?,SBQS?,SKKT?,SOGW?,SOJJ?,SOQC?,TAMH?,TANI?,TASP?,TBIY?,TBOK?,TKAY?,TKHG?,TODR?,ULGF?,VAAA?,VAYV?,VBHG?,VBIE?,VKDC?,VKDV?,VKEQ?,WAXM?,WAZZ?,WBOJ?,WODN?,XKIN?,YBOV?,YKCI?,YKDI?,YKFE?,YKHM?,YKJS?,YKMK?,YORL?,ZBMI?,ZOQW?	OR_2	OR gate with two inputs.

S-NES-BOY schematic

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S-NES-BOY board

AAMX?,AMEX?,AMLH?,ASBG?,ASDD?,ASFK?,ASNP?,BABW?,BANW?,BAUV?,BAYS?,BBQF?,BBXY?,BBYP?,BNNS?,BSHU?,CADW?,CAEI?,CAWE?,CAZC?,CBIS?,CMKK?,CMVK?,CMVW?,CNBZ?,CNTA?,CNUY?,CTBB?,DCDY?,DCIN?,DMQT?,DMRB?,DMSM?,DMTA?,DNAN?,DNCE?,DSLL?,DSWN?,DTEU?,DTNW?,DTRS?,EAHW?,EARJ?,EASO?,EBBE?,EBMJ?,EBMQ?,EBOS?,EFED?,EMAU?,EMCQ?,EMGX?,EMIB?,FBBC?,FBPE?,FFJW?,FFKX?,FGKE?,GBTD?,GFEE?,GFFG?,GFLI?,GFLT?,GGAH?,GGBE?,GGDR?,GGFM?,GGHN?,GGON?,GGRM?,GGWB?,GGYE?,GMIV?,GMOL?,GMTW?,GMXT?,GNBQ?,GNIU?,GNOJ?,GNSB?,HANA?,HAZL?,HBQJ?,HGUU?,HHEB?,HHFN?,IAQS?,IAUB?,IBNJ?,IBPR?,JAGY?,JAWP?,JAXB?,JBDE?,JBRX?,KAAQ?,KBSI?,KBTI?,LBWH?,LBYR?,LCLR?,LDAD?,LFHS?,LFII?,LNZS?,MAGI?,MAMK?,MBBX?,MBNS?,MBUB?,MGVV?,MGZJ?,MOJA?,NAPN?,NFXH?,NFYD?,NMTQ?,OAAF?,OAYK?,OBBW?,OBEA?,OBRC?,OBXF?,OBXV?,OCFG?,ODYH?,ODYR?,OKHF?,OKIO?,OKJL?,OKPW?,OKSL?,OKUR?,OLCW?,OLHT?,OLMD?,OLOZ?,OLRW?,OLUQ?,OLWK?,OMDX?,OMMV?,OMNN?,OMRS?,OOZO?,PBHU?,POGD?,PORZ?,QAAG?,QANN?,QAZI?,QBDD?,QBKI?,QBZX?,QKAT?,QKGG?,QKLR?,RKMU?,RKPQ?,RKPR?,RKRK?,RONY?,SAMW?,SKDK?,SKPA?,SODT?,SOLZ?,SOOS?,SOVA?,TAKV?,TAVF?,TBML?,TKAS?,UAPX?,UBPL?,UKBI?,ULHH?,UOFS?,VACD?,VAFA?,VAKQ?,VAQL?,VAYR?,WAJJ?,WAOX?,WAYX?,WBRU?,WBUZ?,WBXS?,WOCA?,WOEK?,WOZE?,XAOJ?,XKGY?,XOAP?,XOIL?,XOMS?,XOWO?,YKBE?,YKDO?,YKQD?,YOXQ?,ZKDB1,ZKDB?,ZOAV?,ZONT?,ZORE?,ZOZP?	INVERTER_A	Simple inverter.

AAXD?,ASAK?,ASAR?,BAEH?,BAEW?,BAFF?,BBKM?,CMTB?,CNRJ?,CNRU?,CSCY?,DMRU?,DTIH?,DTJZ?,EACZ?,EAEJ?,EFEL?,FALY?,FBKE?,GAYU?,HFWL?,HGLL?,HHHL?,IARQ?,IBPY?,JBSU?,LCQZ?,LMFG?,LMFY?,LMPF?,LMUV?,LNHX?,LNKU?,LNNE?,LNTA?,MFAE?,MMLQ?,MNHE?,MNHM?,MNJI?,MNNS?,MNOG?,MNPG?,MOBP?,NFBB?,NMSM?,OOIW?,OOLO?,QBCI?,QBKA?,QBKV?,QBPR?,QOUI?,RKLP?,ROBA?,TBUI?,YOEH?,YOFK?,YOXF?,ZODY?,ZONY?	NOR_2

AAXI?,AAZK?,ABEB?,ABGY?,ABIV?,ABNG?,ABOH?,ABPK?,ABRB?,DADQ?,DAJI?,DAKP?,DAPF?,DATZ?,DBDK?,DBEH?,DBFY?,DCEG?,FBSI?,IBTS?,LABH?,LAGG?,LARV?,LATX?,LAYH?,LBCJ?,LBGI?,LBHV?,OEAP?,OEFO?,OEGU?,OEMF?,OEOY?,OEXG?,OFJV?,OFWO?	TRI_INV_IF2	Tri-state inverter with active-low enable input.

ABVA?,ABWF?,ABXH?,ACBV?,ACGM?,ACHJ?,ACJG?,ACKH?,AFHM?,AFIS?,AFNO?,AFPK?,AFUM?,AFYN?,AGEL?,AGHX?,BFIV?,BFKI?,BFOI?,BFON?,BFXS?,BFYW?,BGAA?,BGGQ?,BSDK?,CFGO?,CFHI?,CFKP?,CFML?,CFSY?,CFTH?,CFZI?,CFZS?,CSAH?,CSBF?,DAEE?,DAJJ?,DANS?,DATD?,DAVA?,DBEB?,DBFT?,DBHA?,DFIJ?,DFMO?,DFUW?,DFXY?,DFZH?,DGBZ?,DGDX?,DGGV?,DTTS?,EFNZ?,EFOZ?,EFUK?,EFVW?,EFXE?,EFYO?,EGDH?,EGEH?,FFNO?,FFPL?,FFQL?,FFUM?,FFVX?,FGBR?,FGFA?,FGJE?,GBTC0-GBTC7,GFIO?,GFJL?,GFKZ?,GFOQ?,GFST?,GFUP?,GFWB?,GFWS?,GGBS?,GGCW?,GGFD?,GGFL?,GGJH?,GGNF?,GGPL?,HBFW?,HBGC?,HBQO?,HFAH?,HFHY?,HFOG?,HFQS?,HFTK?,HFZS?,HGGJ?,HGGQ?,IARB?,IBPD?,IOAW?,JBSB?,JGJR?,JGVB?,JGYG?,JHBK?,JHCJ?,JHMI?,JHNS?,JHVE?,KBWU?,LADZ?,LAKV?,LASN?,LAXS?,LAZN?,LBGG?,LBHP?,LBOJ?,LCWR?,MFDZ?,MFRU?,MFSK?,MGCQ?,MGDE?,MGJY?,MGNW?,MGSA?,MHDX?,MHGD?,MHGT?,MHTG?,MHVG?,MICC?,MIDI?,MIKD?,NBXE?,OAUS?,OCBU?,OCIS?,ODNR?,OECW?,OEGF?,OEJI?,OEOJ?,OEQL?,OEZO?,OFUA?,OGZF?,TBVD?,VONZ?,WARX?,WBIZ?,WBNH?,WOEU?,WOJX?,WOKW?,WOME?,WOML?,WOSL?,XPGS?,YAPP?,YARY?,YAUO?,YAWL?,YBBP?,YBEH?,YBKL?,YBOB?,YOAC?,YOQY?,ZAGK?,ZAIR?,ZALT?,ZAPZ?,ZAVO?,ZAYR?,ZBEQ?,ZBKU?	TRI_BUF_IF0	Tri-state buffer with active-low enable input.

ACPQ?,AFFY?,ASMS?,BFCS?,BSQD?,BSSO?,CFEE?,CSZL?,DCQF?,DFAA?,DFAF?,DFFR?,EBRW?,EFHT?,FAAN?,FFLE?,GBGK?,GFAY?,GFCD?,HGMG?,HGNC?,IAAG?,IFYU?,IFZG?,IGAQ?,IGDO?,JFSQ?,JGCQ?,JGGN?,JGJL?,KGML?,KGNH?,KGNP?,KGRM?,KGRR?,KGSO?,KGVQ?,KGXC?,LFJB?,LFLW?,LFMO?,LFNM?,MGTU?,MGVI?,MGVQ?,MHCW?,NAEN?,NGAK?,NGBN?,NGGZ?,NGNP?,OACG?,OACI?,OAMJ?,OANM?,YAOH?,YKNB?,YKOE?,ZAGC?,ZOSP?,ZOYR?	DELAY_BUF	Simple non-inverting buffer

AFGF?,AFIA?,AFLC?,AFOC?,AFRH?,AFWZ?,AFZJ?,AGHW?,BBNW?,BFDW?,BFIZ?,BFMC?,BFOL?,BFTZ?,BFXV?,BFZS?,BGAI?,CFGC?,CFGR?,CFKG?,CFMI?,CFOX?,CFTE?,CFVT?,CFZK?,CNDH?,CNFW?,CNLW?,CNMF?,DFHJ?,DFIT?,DFTG?,DFXA?,DFYY?,DGAA?,DGDN?,DGER?,EAVX?,EBSG?,EBVQ?,EBXE?,EBYP?,ECCU?,ECEK?,ECGN?,ECGO?,EFMC?,EFOX?,EFTN?,EFUW?,EFWT?,EFYF?,EGCY?,EGED?,ESOJ?,ESQB?,FBPK?,FBQN?,FBQO?,FBQU?,FFMK?,FFNX?,FFPO?,FFQW?,FFVA?,FFWB?,FGCI?,FGGD?,GBGR?,GBKP?,GBPD?,GBQZ?,HIPU?,IAUO?,IAYI?,IBAL?,JAFF?,JAKI?,JAOO?,JAQD?,JBHT?,JMBI?,JMBL?,JMCL?,JMGD?,JMIO?,JMIY?,JMJE?,JMKG?,KAEZ?,KAVS?,KAYP?,KBGM?,KBGO?,KBIE?,KBIF?,KBKC?,KBLJ?,KBMV?,NMAW?,NMBF?,NMCH?,NMGQ?,NMJJ?,NMJU?,NMLZ?,NMMX?,OAOU?,OCLC?,OCLX?,PABT?,PAEL?,PAGQ?,PAJI?,PAJU?,PBBT?,PBKA?,PBMC?,PBML?,SAND?,SAUU?,SAWH?,SAWV?,UKGM?,UKGO?,UKHI?,UKHP?,UKOH?,UKVK?,UKWD?,UKYL?,WATU?,WBEC?,WBGM?,WKHC?,WKHD?,WKHO?,WKJA?,WKKL?,WKMJ?,WKNB?,WKNI?,XABG?,XACL?,XAFJ?,XAGK?,XAIJ?,XAJT?,XANT?,XAOI?,YAPL?,YARP?,YATC?,YAVJ?,YAWS?,YBDC?,YBHJ?,YBNR?,ZAEM?,ZAID?,ZAKT?,ZAPI?,ZAQA?,ZAXL?,ZBBY?,ZBFI?	DFFR_A

AMEV?,AMGY?,ANAY?,BANX?,BBWK?,BNAP?,BNOQ?,BNXG?,CMCO?,CMER?,CMEU?,CMOY?,CMYW?,CNNO?,DMHY?,DMOC?,DMPK?,DNAW?,DNBO?,DNBU?,DNBY?,DNCN?,DNCY?,DNDK?,DSCS?,DSXY?,DSYT?,DSZC?,EMPN?,FFCV?,FFGS?,HAAI?,HHOM?,HHXX?,HIBF?,HIPM?,JBND?,JBPY?,KBUP?,LCLC?,MBRP?,MBXS?,NBZE?,OATK?,OBNR?,OCSD?,OORC?,OOSR?,PAWH?,QATX?,ROMA?,SAIG?,SKCA?,SKQJ?,ULHM?,VASU?,XOAO?,XOKS?,XONF?,XPDO?	NAND_2

ASCU?,ASMP?,BSOQ?,CAKS?,CAKW?,CANH?,CAQL?,CBDC?,CBEP?,CBFI?,CBGC?,CSMX?,CSMZ?,CSQI?,CSVJ?,FADU?,FAIQ?,FATL?,FAZQ?,FMCD?,FMFF?,FMGC?,FMHJ?,FMHZ?,FMKL?,FMUY?,FMWM?,GAMI?,GASZ?,GBNN?,HACQ?,HAJE?,HGKB?,HHJU?,HHOP?,HIFE?,HIGZ?,HILG?,HILR?,HIOV?,HMAZ?,HMBN?,HMDE?,HMDM?,HMEG?,HMFF?,HMJO?,HMRC?,KGZC?,KHIO?,KHJA?,KHTC?,KHTO?,KHZP?,KIAM?,KIDV?,MAOG?,MBFM?,MBLO?,MGTS?,NBIV?,NBIZ?,NBSM?,NBWF?,OBHN?,OBIW?,OOBX?,OODF?,OOGP?,OOIO?,OOJS?,PBAD?,PBEG?,POHS?,POKF?,POLC?,POPO?,POQV?,POSI?,QKBI?,QOBA?,QOBN?,QOBT?,QOIS?,QONK?,QOXN?,RACU?,RAIH?,RARK?,RAUW?,RBAH?,RBFP?,RBPF?,RBSA?,RBTV?,RKNG?,ROBL?,ROEI?,ROSV?,SBMW?,SBPL?,SKDA?,SOMN?,SOXO?,SOZR?,TAOI?,TAQM?,TBHT?,TBIG?,TBTP?,TKGB?,UOTI?,UOTW?,VAFH?,VAGJ?,VAMM?,VAWW?,VAXI?,VAYA?,VAYP?,VOKG?,WOVT?,WOWE?,WPAI?,XOFC?,XOGA?,XPHM?,YOZV?,ZOED?,ZORH?	DFFR_B

ASDM?,ASMG?,BSGB?,BSKW?,CSMN?,DMEC?,DMEG?,DMEW?,IFCR?,IFFE?,IFIC?,IFNF?,IFNX?,IFVO?,IFWB?,IFYQ?,IGDX?,IGJA?,IGJZ?,IGMX?,IGNF?,IGOO?,IGQR?,IGVK?,JFCH?,JFDZ?,JFGY?,JFKL?,JFLK?,JFRA?,JFRC?,JFRT?,KFFZ?,KFGI?,KFQG?,KFWV?,KGCY?,KGFG?,KGKI?,OONQ?,OOXS?,ROAW?,ROLX?,RONJ?,ROOB?,VOAT?,VOBM?,VODK?,VOEX?,VOGQ?,VOJF?,YOWZ?,YOYP?,ZOGE?,ZOOJ?	DFFR_D

BBSQ?,BBZQ?,BNHI?,FAOQ?,FBII?,OKES?,OKJF?,QBDE?,UAAQ?,UAAW?,UAFT?,UAND?,UANF?,UAPB?,UAPD?,UAPQ?,UAWA?,UBAQ?,UBCQ?,UBCW?,UBDM?,UBFW?,UBGJ?,UBMB?,UBNH?,WCFG?,WCJB?,WCLL?,WCNB?,XAOP?,XARF?,XBBN?,XBBQ?,XBDH?,XBFC?	NAND_5

FBTA?,FBWK?,GBUI?,HANV?,HAPY?,HAQV?,HARD?,HAXD?,IBHO?,JBTI?,KBTC?,MAOJ?,NAUH?,OCJG?,OCKT?,OCTS?,OCWB?,OCXI?,ODKA?,ODQZ?,ODSH?,ODVU?,ODWA?,ODWF?	DR_TRI_LATCH	Gated data latch with active-low reset and tri-state input.

HAMT?,IBSM?,JGMY?,JGSQ1-JGSQ6,JGSQ?,LBXR?,NFBN?,NFFC?,NFJJ?,NFOI?,NFRO?,NFSB?,NFVQ?,NFWE?,NGNU?,NGQS?,NGVS?,NHCN?,NHHH?,NHPK?,NHSH?,NHUE?,OEBY?,OEFL?,OEFW?,OEGK?,OEHW?,OEKJ?,OENU?,OEOU?,OEPS?,OEUB?,OEYB?,OFAD?,OFQH?,OFUH?,OFXA?,OGBZ?	D_LATCH_A2	Gated data latch without inverted output.

IFCU?,IFEQ?,IFMG?,IFMP?,IFQQ?,IFUF?,IFWE?,IFXO?,IGFF?,IGHG?,IGKE?,IGLE?,IGOJ?,IGOK?,IGST?,IGUE?,JFCT?,JFDF?,JFHM?,JFKA?,JFLO?,JFQD?,JFRL?,JFRP?,KFCQ?,KFMZ?,KFOX?,KFYB?,KFZV?,KGGW?,KGHB?,KGZD?,KHAD?,KHRF?,KHSS?,KHXL?,KHYE?,KICH?,KIDU?	AOI_222	AND gate with four inputs fed into NOR

IMDD?,IMDD?,IMDD?,IMDD?,IMDD?,IMLI?,IMLI?,IMLI?,IMLI?,IMLI?,WKSN?,WKSN?,WKSN?,WKSN?,WKSN?,WKZC?,WKZC?,WKZC?,WKZC?,WKZC?,XKIG?,XKIG?,XKIG?,XKIG?,XKIG?,YKAW?,YKAW?,YKAW?,YKAW?,YKAW?,YKBC?,YKBC?,YKBC?,YKBC?,YKBC?,YKQM?,YKQM?,YKQM?,YKQM?,YKQM?,ZKBA?,ZKBA?,ZKBA?,ZKBA?,ZKBA?,ZKBW?,ZKBW?,ZKBW?,ZKBW?,ZKBW?	MUX_4x2:1

LFDU?,LFDU?,LFFC?,LFFC?,LFFN?,LFFN?,LFHO?,LFHO?,LFNW?,LFNW?,LFQZ?,LFQZ?,LFRR?,LFRR?,LFUD?,LFUD?,QKCI?,QKCI?,RKMD?,RKMD?,RKNZ?,RKNZ?,SKCS?,SKCS?,SKHI?,SKHI?,TKBH?,TKBH?,TKFI?,TKFI?,TKFN?,TKFN?,UKZF?,UKZF?,ULBK?,ULBK?,VKID?,VKID?,VKJK?,VKJK?	2BIT_FULL_ADD	2-bit full adder

ODYN0-ODYN2,OKMN0-OKMN3,OKTR0-OKTR3,OKTY0-OKTY3,OLCO0-OLCO3,OLDU0-OLDU3,OLGV0-OLGV3,OLNC0-OLNC3,OLSH0-OLSH3,OLWI0-OLWI3,OLXX0-OLXX3,OMIG0-OMIG3,OMNC0-OMNC3,QKEL0-QKEL3,QKQM0-QKQM3,RKOE0-RKOE3,RKUL0-RKUL3,TAAD0-TAAD4,TAXO0-TAXO2,ZKEK0-ZKEK7	TRI_BUF_IF1	Tri-state buffer with active-low enable input.