Question

H.w Design emory inderface unit r g088 up am an having a memory map specikicahon explained in tlu ing falo le Availalot chip Stant Adbhess Memory type Tolal Size 2KX8 16 K-byle 4K-byle 8K.byfe RAM EPROM ROM 1KX8 2A000 H 4KX8

Answer 1

asolution SA RAM16KBavailatl chip ek xe EPRO rt KBIKX fOA DOOH 8k BE O000H Ror 1 K 1D2 HB2 Ao-AHT Ox an 8088 P we have po adodaers ines th ome gat along Let us use 3t08 decact chips to intenpca there mamony Hos RAM16KB Aovting addeesIDOOD H a Vailable chip ekx8 11 addew lines ae neadid Ao-AI0) 1 x2 x 1K2 16kB dinc ue need to intuoa ce 8 obuch a Chips we need 16k x8 1bK88 X 2K xe) tarting adda addrers nes Aya A16 ApArg AsAuAyA12 Aa Ab As Ay ABA2 AI AD O0000D O O Au AID AG Ag h000-0 00M 010000- 0 0 0 0 to orEaddelin 103 fft O 0 0 1 0000 O 1 ! 1 | ! ! ! ] 1 Ram F 0 10110000-107 FFH 0 000 -ID FF FF EDHeK X8)

Ai6-19 An-15 As-11 Au-a Ao-3 30000F HAARARA A A, Aa Az A A A4 Ae Aa ALASAY A3AZAI AD 001 OODO 0100 0 0 D 1 1 0 D 00 0:1T 3 03FF 000 0 00 OO IIIII | / O1 DI O 00000 DO 000D 000 o 50000H OID I 1 F II 507FFH I1i000 0 0 ICH 0 000 000D I 1 1 0 70000H 707 fFH O 000 0000 1 11 0 0000 II 1001 0O00 0000 0000 0000 90000H 1 DD1 0O00 0111 1 1 90FFR ioil 0000 0000 0000 0000 1 1 11 B0000H 0000 01L/ 1 / IOI1 O000 0000 O000 0000 I1D ] 111 0111 DO000H DO7 FFH 11 01 Po-3 Au-4 A&-A A12-Aus Ar6-Pra OOD0 0000 0000 0000 11 1 1 1 1 1 Fo0 00 H for FfH gpes to p CA14AB) Ar Ai& Argbelects dicodes Pin 31

RAT Chip A19-A19 addsew bus to AdFA 10 A17 OPK Mum mamR RD Data A)B toma (0000-10 FFH A19 3 0 Po-Aip AO Prozr8 G28 / 30000-309FFH AIS 15 data 0 bu EDO00-502PH Aiy AY2 A 2 A02KXB Ai LOA O RD CANAIS DO0D-20PPH DR RB 9Dd00-909FPH SPO Aro 21CK& toatrae (2 K일) Ram X hips BOOod +80 FFH 03 Doooo-pFFH RD Op-O3 data bu foooo-for fFH

EPROMシIKX8)20x う う10addeeif Uney Coo-Aq) to HP addsers AD00H. ut hore ( Ikx8)XH)Hkx8=) ろ0 H PROH Clips & AECI are BAC A1g AuAgAi AisAyARA2 AnAto Ag As Aa Ab AsA A3A2A, AO O0 10| DI O0D Oo D ODD QO O0o eA000H I al la F I I! CEA 2 A 3. f. (Ao-A10 ae om2 0 toi Aig- A1& ats as delict ûnu A 12 A16AISAIU A13 A2AN Aro IOIDI0 O D IOIO 00 00 0DDO 6ADOO 6A3FF 0000 OILo Q1Q 1 001 I II AA DO0 1 0 10 AA BFF 0000 D000 DO0 0 OIo D-11 11L1 to ID 1 DIO F . 2 DO00 DO00 TCH OI0 EA00OH EA3FFH 11 0 ID I1 0 3 A Ale-Ar)-00,0, 10, 1 adaresbu EPROr AO J A18 A4 1 lata bus 2A000-EAEFEH A19 EAOD0 EA3FF H Ar3alway

Nemony Into ng decodeu add ses bus A18 BB PRO J A19 AO-Aq Ar1 O0-D3 datg 2 6 CIkyE ½P 2ADDD-2ABFFH 6 AODO-6A3 FF Av6 A B 2A ei A10 VeL A AD00-AABFE CA10-PIb EADD0- EA2FF A b 3 8 kBNueds CHEXO ROt ep 2 1D (HEX8) RD rtHk 12-addaulnas (Ap- An3 &tarting addu E0o00H Ao- Au-g A12 15 Ac-1 Alb-A19 3 21AO Alg l& 1 l6 15iy 1312 1 I | D CO 00 1098 9 654 SA T O000 0000 E000 OH 11 1 1 1 O O D D D EOFFF reMPPo-An to 8D 000 o2 ODO0 0000 Ladd ODO0 711 1 un P1 11 1111 FOO00H I ! 000 0 fof FFH (othout dlecoda) mempb

Ai& ROM RD of Ai7 Ao-A FULS138 A memk D Alb00 Hp Do-D JA (yeu EDODO+EOPPEES kadareu bus ROM2 Ao-AI nemR Do-Da A 13 olata bw A12 12- Foooo-Fo PPFH