Title: CPU??
1(No Transcript)
2(No Transcript)
3(No Transcript)
4??? ??????
5????????
- ?????????????
- ??????????,???????
CPU??
?
????
?
????
??
??
????
??????
??????
?
?
6??? ?????????
?6-1 ??????????
7- ??RAM???
- 1????(Bipolar) RAM
???RAM?????,?????,???,???,??,?????????????????????
???,?CACHE
8 MOS?RAM???????????????????,???????? ?
MOS?RAM???????RAM(Static RAM)???RAM(Dynamic
RAM)??
9 ROM??????????,????,??????,???????,?????????,?????
?????????????????????
10- ???????????,ROM????4?
- ??ROM
- ???ROM(Programmable ROM)
- ???????ROM(Erasable PROM)
- ?????????ROM(Electrically Erasable PROM)
11??? ?????RAM
12(?)??RAM?????
??RAM?????????,?????????????????/????????/?
?????????RAM??????????
13- ?????1K1????RAM?????????????????1024???,??
?????????????????,????RAM???????????????????,?????
??(X???)??????,???????(Y???)????????,????????????,
??????????
14- (?)??RAM???
- 1?Intel 6116?CMOS??RAM??,???????24????????????2K8
?,??????????????
15- ??????????????CS??????WE??????????OE?????
- ????,???A0A10???????????????????(??8????)????????
???CS0,OE1,WE0,????????????8??????,?D0D7????
???????????????,?????????8?????????,??????????????
????????,?????????CS0,OE0,WE1,?????8????,?????
??8????I/O????????D0D7???
16- 2?Intel 2114??????10244????RAM ,Intel
2114??????10244????RAM??????????????
17(?)??RAM?CPU??? ????RAM??????CPU????????,???????
??? 1?CPU??????? 2??????? 3?????????????? 4????
????
18- ?????2K?????????????2128??2K????????????,????
????RAM2128(2K8?)?????????????,???2128??2K???????
???8086???????????????????????
19- ?8086?16??????????16???(???,??AD0AD15),??????8??
?(????,??AD0AD7?AD8AD15)? - ?A0?????,CPU??AD0AD7,???????????????,CPU
??AD8AD15,?????????? - ??A0???????,CPU?AD0AD15??,??????????,????
?????????,????????????????
20 BHE A0 ???? BHE A0 ???? BHE A0 ????
BHE A0 ?? ??????
0 0 0 1 1 0 ???????/???? ???????/????? ???????/????? AD15---AD0 AD15---AD8 AD7---AD0
0 1 1 0 ???????/???? AD15---AD8 (???) AD7---AD0 (???)
21...????
- ???????????????????????,?
- ????????????????,???????????,????????????,?????
???????????????
22?????
- ????????????????,??????????????????????????
??? ??
????
????
????
? ? ?
????
23- 6264???????F0000HF1FFFH
- 11110000000 11110001111
A12 A0
6264
A12-A0
A19
OE WE
A18
A17
???????????
A16
CS1
A15
D7 D0
A14
1
D7-D0
A13
24??????
- ?????????(?????)??????,???????????????????????
- ?????5?????????,????????????????????,?????????????
??
25- ?????????????
- F0000HF1FFFH B0000HB1FFFH
- A18?????
A19
? 6264 CS1
A17
A16
A15
A14
1
A13
26 ????
74LS138???
Y0 G1 Y1 G2A Y2 G2B
Y3 Y4 A Y5 B Y6 C Y7
??????
??????
????
(?????????)
2774LS138????(?????????) ????,??????????,Yi???A?B?
C???,? Yf(A,B,C)
Y7
Y6
Y5
Y4
Y3
Y2
Y1
Y0
C B A
G1 G2A G2B
1
1
1
1
1
1
1
0
0 0 0
1 0 0
1
1
1
1
1
1
0
1
0 0 1
1 0 0
1
1
1
1
1
0
1
1
0 1 0
1 0 0
1
1
1
1
0
1
1
1
0 1 1
1 0 0
1
1
1
0
1
1
1
1
1 0 0
1 0 0
1
1
0
1
1
1
1
1
1 0 1
1 0 0
1
0
1
1
1
1
1
1
1 1 0
1 0 0
0
1
1
1
1
1
1
1
1 1 1
1 0 0
1
1
1
1
1
1
1
1
X X X
? ? ?
28 ????RAM??????????????????????????16K??,???
?????8?Intel 6116??,?????2K8????CPU?8086,????????
?,??,????????????????????????????????BHE??,???????
??A0???
??????????128K???RAM???,??????0000H??,????
??16K??RAM?????????????,????????RAM????????
???,16K????????????20000H23FFFH???,?????????????
?6?,?A19A14,??001000?
2916K?????CPU?????
30(No Transcript)
31?????
- ?Intel 2114????2K RAM?????,?????8088CPU??,?20??
??,8???????????2114 1K4?/??????,???2K?RAM????4?,
?????,?????1K????????????????4C000H??,????????????
???4C000H4C7ffH? ?????????
32????RAM
1????? ??????
?T1??????Cs??????,?????????,Q1???,????????
?D(???)??Cs????,??????????,T1???,????Cs??????T1???
??D?,?????,?????????
332???RAM??? Intel 2118?? Intel 2118?????HMOS?????1
6K1??DRAM??,????????????,??5V????,?????/?????150
/11mW,????????????TTL?????Intel 2118???????????
34(No Transcript)
35- 2118?????16K1????????128128??,???????,?????7????
,??????7????,???16K???????????14????,??2118????7??
??????,?????2118???????RAS?CAS????????????
36Intel 2164
37 Intel 2164??
- ?64K1?DRAM??,?/????300n
s,?????150ns,???16???????????, ?????65536
?????????????????????,??????????????,???2ms???????
????????128,??????7?(A6A0)?????,A7??????????????1
6?????????? -
38???????????
39??? ?????ROM
- ?????ROM
- ???ROM??????????????????????????????????????ROM???
??????????MOS??????,??????????????,????,MOS?ROM???
,??????,??????????ROM???????????ROM???MOS??,????,?
?????????????
40- ?????????44?MOS?ROM,??A1?A0???????,????????,???4?
??,??????4????
41(No Transcript)
42- ?????ROM
- ?????????MOS ROM???????????,??????????????PROM(Pro
grammable ROM),?????????????????ROM?????
43- ???PROM??????????,??PROM??????????????????,???????
?????????
44- ?????????ROM
- ??EPROM?????????????,???????????,MOS?????SiO2??,??
???,??????????????????,???????????????,?ROM?????1?
45 46- (?)Intel 2716??
- Intel 2716?16K(2K8?)?EPROM,??5V?????????,??????45
0ns
47- ???2716????,???11????,??7???X??,??128?????,4???Y??
,??16????????2716?8?????,??8?Y???,??????????,??8??
???,??128128??????
482716?????
?? ?? PD/PGM CS Vpp Vcc ????
? ? ? 5V 5V ??
??? ?? ? 5V 5V ??
???? ? ?? 5V 5V ??
?? ?????? ? 25V 5V ??
???? ? ? 25V 5V ??
???? ? ? 25V 5V ??
49- (?)2764
- Intel 2764?????????EPROM??,?????8K8?,??????????20
0450ns,????2716??,??24???2764?2716???????????,???
8???????
502764?????
?? ?? PGM CS OE A9 VPP VCC ????
? ? ? ? ?? 5V 5V ??
???? ? ? ? ?? 5V 5V ??
???? ?? ?? ?? ?? 5V 5V ??
???? ?? ? ?? ?? 25V 5V ??
?? ? ? ? ?? 25V 5V ??
Intel?? ? ? ? ?? 25V 5V ??
???? ? ? ? ?? 25V 5V ??
Intel??? ? ? ? ? 5V 5V ??
51(?)Intel 27128??
- 27128??????16K 8?,?????250ns,?????5V??,CE???????
????,??????????(CE????)??1/3?
5227128?????
?? ?? CE OE PGM VPP VCC ??
? ? ? ? 5V 5V DOUT
??(????) ? ?? ?? 5V 5V ??
?? ? ?? ?(50ms) 21V 5V DIN
???? ? ? ? 21V 5V DOUT
???? ? ?? ?? 21V 5V ??
53- ????????27128??32K??ROM?????????8088CPU??,???????2
8000H2FFFFH,?????????MS??A19A15?????
54 - ???EPROM????????
- 1??VPP??25V?21V???,???????EPROM??
- 2????,????Vcc5V,??Vpp25V?21V,???????VPP,??Vcc
- 3??CS?????,VPP???????25V?21V?????
55- ???????????ROM
- EPROM?????????????,????????????,??????????????????
?ROM,??EEPROM,???????EPROM??,????????????????
562815?????
??? VPP CS OE D0D7
??? 5V ??? ??? ??
??? 21V ??? TTL??? ??
?????? 21V ??? TTL??? TTL???
?????? 21V ??? 9V15V TTL???
57??? ???????????
- ???x86 CPU????????20???,??????1MB??1MB???????????
????IBM PC/XT??,???1MB????????IBM PC/XT??8088
?CPU,???????????x86 CPU??????????? - IBM PC/XT?1MB????????????
58(No Transcript)
59??? ???????
- ??DRAM??
- ??????DRAM??,?????????????DRAM???????DRAM????????F
PM DRAM?EDO DRAM?SDRAM?RDRAM?DDR
SDRAM???????DDRII SDRAM?
60- FPM DRAM
- EDO DRAM
- SDRAM
- RDRAM
- DDR SDRAM
- DDR II
61- ???????(Flash)
- ????????????????????,????????????????????????????
???(??,????)????????????????????????,???????,?PC??
?????????????????????????????,????????????????????
?,??????????????????(PDA)?
62- ????????,Flash?EEPROM??????,?????Flash??????????,
?Flash????????,???????????????Flash???????????????
- (1)????,???SRAM,Flash???????????
- (2)????,Flash??????????
- (3)????,Flash?????????110??,??????100??,?????????
????
63(No Transcript)