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CS80C286-20(1997) 查看數據表(PDF) - Intersil
零件编号
产品描述 (功能)
生产厂家
CS80C286-20
(Rev.:1997)
High Performance Microprocessor with Memory Management and Protection
Intersil
CS80C286-20 Datasheet PDF : 60 Pages
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Pinouts
(Continued)
80C286
68 LEAD PLCC
P.C. Board View - As viewed from the component side of the P.C. board.
68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52
BHE 1
NC 2
NC 3
S1 4
S0 5
PEACK 6
A23 7
A22 8
V
SS
9
A21 10
A20 11
A19 12
A18 13
A17 14
A16
15
A15
16
A14
17
51 D15
50 D7
49 D14
48 D6
47 D13
46 D5
45 D12
44 D4
43 D11
42 D3
41 D10
40 D2
39 D9
38 D1
37 D8
36 D0
35 V
SS
18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34
Functional Diagram
ADDRESS UNIT (AU)
OFFSET
ADDER
SEGMENT
BASES
SEGMENT
LIMIT SEGMENT
CHECKER SIZES
PHYSICAL
ADDRESS
ADDER
ALU
ADDRESS
LATCHES AND DRIVERS
PRE-
FETCHER
PROCESSOR
EXTENSION
INTERFACE
BUS CONTROL
DATA TRANSCEIVERS
6-BYTE
PREFETCH
QUEUE
BUS UNIT (BU)
REGISTERS
CONTROL
EXECUTION UNIT (EU)
3 DECODED
INSTRUCTION
QUEUE
INSTRUCTION
DECODER
INSTRUCTION
UNIT (IU)
NMI
BUSY
INTR ERROR
A
23
- A
0
,
BHE, M/IO
PEACK
PEREQ
READY,
HOLD,
S1, S0,
COD/INTA,
LOCK, HLDA
D
15
- D
0
RESET
CLK
V
SS
V
CC
3
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