Thiết kế và lập trình hệ thống - Chương 9

... Latches8WEDINDOUTMUXDirA9(A0 from input pin on RAS)A8S1S0MUX256-to-1MUX256-to-1MUX256-to-1MUX256-to-164K array(256 X 256)2552541064K array(256 X 256)64K array(256 X 256)64K array(256 X 256)256K X 1 DRAMA0-A7A10-A17Block ... since the ver-tical wires are VERY long (delay is at least linear to length).S0S1S2SN-2SN-1Word 0Word 1Word 2Storage cellWord N-2Word N-1Input-Output(M bits)DecoderA0A1A2A...

Ngày tải lên: 15/11/2012, 11:07

... MARYLAND BALTIMORE COUNTY1 9 6 6Memory AddressingMemory Paging:Available in the 80386 and up.Allows a linear address (virtual address) of a program to be located in any por-tion of physical memory.The ... Micro. Arch. III CMPE 3102 (Feb 2, 2002)UMBCU M B CUNIVERSITY OF MARYLAND BALTIMORE COUNTY1 9 6 6Memory AddressingMemory Paging:The paging system operates in both real and protected mode...

Ngày tải lên: 15/11/2012, 11:07

... Modules)boards.30-pin SIMMs come in 1M X 8, 1M X 9 (parity), 4M X 8, 4M X 9. 72-pin SIMMs come in 1/2/3/8/16M X 32 or 1M X 36 (parity).5 10 15 20 25 30 35 40 45 50 55 60 65 70NC++VSSVCCDQ 0-3 1Addr 0-1 1RASCASWPD 1-4 Systems ... as low as 10ns.A7VCC2K x 8 SRAM1234567 892 0 191 8171615141310TMS4016111221222324A6A5A4A3A2A1A0GNDDQ1DQ2DQ3A8A9WGA10SDQ8DQ7DQ6DQ5DQ4Pin(s)FunctionA0-A10DQ0-...

Ngày tải lên: 15/11/2012, 11:07

... 9 6 6Error Detection• Cyclic Redundancy Check (CRC)(cont.)M X( )X16G X( )-- -- - -- - -- - -- - -- - -- - -- - -X27X26X25X24X22X21X18+ + + + + +X16X15X21+ + +-- -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - =X16X15X21+ ... +-- -- - -- - -- - -- - -- - -- - -...

Ngày tải lên: 15/11/2012, 11:07

... x25 19 EM 57 39 9 89 59 Y 121 79 y26 1A SUB 58 3A : 90 5A Z 122 7A z27 1B ESC 59 3B ; 91 5B [ 123 7B {28 1C FS 60 3C < 92 5C \ 124 7C | 29 1D GS 61 3D = 93 5D ] 125 7D }30 1E RS 62 3E > 94 ... 101 65 e6 6 ACK 38 26 & 70 46 F 102 66 f7 7 BEL 39 27 ' 71 47 G 103 67 g8 8 BS 40 28 ( 72 48 H 104 68 h9 9 TAB 41 29 ) 73 49 I 105 69 i10 A LF 42 2A * 74 4A J 106 6A j11...

Ngày tải lên: 15/11/2012, 11:07

... Index16-bitregisters32-bitextensionsah alax8-bit16-bitnames Systems Design & Programming 80x86 Assembly I CMPE 3103 (Feb 4, 2002)UMBCU M B CUNIVERSITY OF MARYLAND BALTIMORE COUNTY1 9 6 ... CUNIVERSITY OF MARYLAND BALTIMORE COUNTY1 9 6 6Data Addressing Modes Base relative-plus-indexA second variation includes: mov eax, [ebx+edi+4] Scaled-indexA second variation includes: mov eax, ... C...

Ngày tải lên: 15/11/2012, 11:07

... Programming 80x86 Assembly II CMPE 3101 (Feb. 9, 2002)UMBCU M B CUNIVERSITY OF MARYLAND BALTIMORE COUNTY1 9 6 6Data Addressing ModesBase-Plus-Index addressing:Effective address computed ... Programming 80x86 Assembly II CMPE 3102 (Feb. 9, 2002)UMBCU M B CUNIVERSITY OF MARYLAND BALTIMORE COUNTY1 9 6 6Data Addressing ModesBase-Plus-Index addressing:eaxebxecxedxespebpediesi1 0 ... constant...

Ngày tải lên: 15/11/2012, 11:07

... B CUNIVERSITY OF MARYLAND BALTIMORE COUNTY1 9 6 6Arithmetic Operationssub eax, ebxdec edi;Subs registers - Carry flag.sbb ecx, ebx;eax=eax-ebxcmp al, 10Hjae LABEL1;Jump if equal or below.jbe ... BALTIMORE COUNTY1 9 6 6Logic OperationsXXXX XXXX Operand0000 1111 MaskXXXX XXXX Resultxor ah, ch ;ah=ah XOR chtest al, 4jz LABEL;Jump to LABEL if bit 2 is zero.;Tests bit 2 in al -- 0000010...

Ngày tải lên: 15/11/2012, 11:07

... 6✬✎✭✮✠✯✰✱✲✲✯✳✴✰✎✵MiscellaneousDataTransferOperations.INandOUT:Transfersabyte,wordordoublewordofdatafrom/toanI/Odeviceinto/outofAL,AXandEAX,respectively.Memoryoperationsarenotavailable(astheyareinINSandOUTS):Twoforms:•Fixed-portaddressing:8-bitportnumberencodedininstruction.8-bitvalueissign-extendedintoaddressbits 8-1 5.Addressbits1 6-3 1...

Ngày tải lên: 15/11/2012, 11:07

... ✚✞✛✜✢✑2✣✔✎✤✟✌✖✥✜✧✦✥✑✑✢✏✎★✑✥✤✝✩UMBCU M B CUNIVERSITY OF MARYLAND BALTIMORE COUNTY1 9 6 6✪✎✫✬✠✭✮✯✰✰✭✱✲✮✎✳Addition,Increment,Add-with-carryandExchange-and-add(80486):Contentsoftherightmost8bitsoftheFLAGSregistercanchange(+Overflow)forarithmeticandlogicinstructions.Flagsinclude:•Z(resultzero?)•C(carryout?)•A(halfcarryout?)•S(resultpositive?)•P(resulthasev...

Ngày tải lên: 15/11/2012, 11:07