12 12

Chap 12 2

(())

Chap 12 3

Load = 0Load = 0LoadLoad11Load = 1Load = 1ClkClkDD

Chap 12 4

::

Chap 12 5

44CECELoad = 0Load = 0Load Load

Chap 12 6

22

33

Chap 12 7

88DD

En = 0En = 0

Chap 12 8

4488

22

Chap 12 9

EnAEnA = 0= 0AALdGLdG = 1= 1GGLdHLdH = 1= 1HHEnBEnBEnCEnCEnDEnD00LdGLdG = 1= 1LdHLdH = 1= 1BBCCDDGGHHLdGLdG = = LdHLdH = 1= 1GGHH44: :

Chap 12 10

EFEF = 00= 00A A GGHH

EFEF = 01= 01B B GGHH

EFEF = 10= 10C C GGHH

EFEF = 11= 11D D GGHH

Chap 12 11

::

Chap 12 12

XXYYAdAdssi i = 1= 1xxii11ssi i = 0= 0xxii00 AdAd = 1= 1XXXXYY

12... xxxX n=12... yyyY n=

ii sx =+

Chap 12 13

::

Chap 12 14

LdLd = 1= 1yyiiyyiixxiiAdAd = 1= 1LdLd = 0= 0ssiixxiiAdAd LdLd ORORAdAd = = LdLd = 0= 0

Chap 12 15

::

Chap 12 16

= 1= 1= 0= 0SISIQQ331122223333

Chap 12 17

::

Chap 12 18

88::

Chap 12 19

serial inserial in1111serial outserial out11S = SIS = SIR = R = SISI SI = 1SI = 111SI = 0SI = 000

Chap 12 20

::

Chap 12 21

44::

Chap 12 22

ShShLLShSh = 1= 1LL = 0= 0LL = 1= 1SISIQQ33QQ22QQ11ShSh = 0= 0LL = 1= 144DD33DD22DD11DD00ShSh = = LL = = 00

Chap 12 23

MUXMUXDD44

::

Chap 12 24

11ShSh = = LL = 0= 0MUXMUXQQ33 ShSh = 0= 0LL = 1= 1DD33ShSh = 1= 1LL = 0= 0 11SISI22MUXMUXQQ22DD22QQ33

33 QQ =+

Chap 12 25

Chap 12 26

::

Chap 12 27

::

QQ00

Chap 12 28

1144QQ33QQ22QQ11QQ00=0000=0000SISI00tt00 DD33DD22DD11DD0010111011 tt11tt22tt33tt44ShSh = = LL = 0= 0

Chap 12 29

---- JohnsonJohnson

Chap 12 30

11D D 000000DD3311111001001212--12(b)12(b)001001DD3300000000010010101101010010101101

1Q

Chap 12 31

Ex:Ex:33TT::

Chap 12 32

Sol:Sol:

BATAT

T

C

B

A

===1

Chap 12 33

SOL(SOL():):

Chap 12 34

EX:EX:DD::

Sol::1111--24(b)24(b)XORXORTTDD

Chap 12 35

Sol(Sol(1)::DD

DD

DQ =+

Chap 12 36

Sol(Sol(2):2):DD

Chap 12 37

----::

Chap 12 38

UU = 1= 1000000001001010010011011100100101101110110111111000000DD = 1= 1000000111111110110101101100100011011010010001001000000UU = = DD = 0= 0UU = = DD = 1= 1

DD

Chap 12 39

UU = 1= 1DD = 0= 0

UU = 0= 0DD = 1= 1

Chap 12 40

--

Chap 12 41

LdLdCtCtLdLd = 1= 1CtCt = = 11LdLd = = CtCt = 0= 0LdLd = = CtCt = 1= 1ClrNClrN00

Chap 12 42

Chap 12 43

MUXMUX

Chap 12 44

LdLd = 1= 1MUXMUX11DDiiANDAND00XXORORDDiiLdLd = 0= 0CtCt = = 11MUXMUX11CCBBAA

1212--2020

Chap 12 45

TT::

Chap 12 46

Sol:Sol:::

Chap 12 47

Sol(Sol(1):1):::

Chap 12 48

Sol(Sol(2):2):1212--4 T4 T

TT

QQ +

1=T

Chap 12 49

Sol(Sol(3):T3):T::

Chap 12 50

Sol(Sol(4):4):

Chap 12 51

Sol(Sol(5):5):1212--2424

Chap 12 52

001001101101110110

Chap 12 53

TT::1.1.

2.2.

3.3.TTTTQQ TTQQ11

QQ = 1= 1

QQ = 0= 0TTQQ

4.4.TT

QQ ++Q

Chap 12 54

DD

DD DDDDDD

DQ =+

Chap 12 55

Chap 12 56

SS--RRJJ--KK

Ex:Ex:SS--RR::

Chap 12 57

Sol:Sol:SSRRQQQQ++QQQQ++SSRR

Chap 12 58

Sol(Sol(1):1):1212--55

Chap 12 59

Sol(Sol(2):2):

Chap 12 60

Sol(Sol(3):3):

Chap 12 61

Sol(Sol(4):4):

Chap 12 62

Ex:Ex:JJ--KK::

Chap 12 63

Sol:Sol:JJKKQQQQ++QQQQ++JJKK

Chap 12 64

Sol(Sol(1):1):1212--77

Chap 12 65

Sol(Sol(2):2):

Chap 12 66

Sol(Sol(3):3):

Chap 12 67

Sol(Sol(4):4):

Chap 12 68

3355

Chap 12 69

Chap 12 70

1:1:

Chap 12 71

1(1(1):1):

Chap 12 72

1(1(2):2):SS--RRQQ= 0= 0QQ++= 0= 0RR = x= xQQ = 1= 1QQ++ = 0= 0RR = 1= 1QQ++RRQQ = 0= 000XXQQ = 1= 1001100QQ++SSQQ = 0= 011QQ = 1= 111xx

Chap 12 73

2:2:44

Chap 12 74

2(2(1):1):

Chap 12 75

2(2(2):2):

Chap 12 76

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