Слайд 2
![* T. Evartson Alu struktuur AOP0 A B AOP1 AOPj-1 LOP0](/_ipx/f_webp&q_80&fit_contain&s_1440x1080/imagesDir/jpg/469263/slide-1.jpg)
*
T. Evartson
Alu struktuur
AOP0
A
B
AOP1
AOPj-1
LOP0
LOP1
LOPj-1
Y
M Sn-1... S1 S0
M Sn-1... S1 S0
M
Sn-1... S1 S0
M Sn-1... S1 S0
M Sn-1... S1 S0
M Sn-1... S1 S0
Aritmeetika
Loogika
Слайд 3
![* T. Evartson DC A B 0 1 2 3 &](/_ipx/f_webp&q_80&fit_contain&s_1440x1080/imagesDir/jpg/469263/slide-2.jpg)
*
T. Evartson
DC
A
B
0
1
2
3
&
&
&
&
1
S
M
&
&
&
&
1
y0
+
+
a0
b0
&
+
a1
b1
M S
M S
M S
M S
0
&
&
1
1
y1
s´0
s´1
n0
n1
k0
k1
e0
e1
ALU näide I
M = 0
S =
0 Y = A + B
S = 1 Y = R1 (A)
M = 1
S = 0 Y = A B
S = 1 Y = B
V
Слайд 4
![Multiplexer SN74S153 * T. Evartson 0 1 Sel 0 Sel 1](/_ipx/f_webp&q_80&fit_contain&s_1440x1080/imagesDir/jpg/469263/slide-3.jpg)
Multiplexer SN74S153
*
T. Evartson
0
1
Sel 0
Sel 1
MUX
EN
0
1
2
3
1G
1C0
1C1
1C2
1C3
EN
0
1
2
3
2C0
2C1
2C2
2C3
2G
Select
input
Strobe
G
Output
Y
x
x
H
L
L
L
L
L
L
L
L
L
H
H
H
H
C0
C1
C2
C3
1Y
2Y
Sel 0
Sel 1
Слайд 5
![Multiplrxer SN74LS353 * T. Evartson 0 1 MUX EN 0 1](/_ipx/f_webp&q_80&fit_contain&s_1440x1080/imagesDir/jpg/469263/slide-4.jpg)
Multiplrxer SN74LS353
*
T. Evartson
0
1
MUX
EN
0
1
2
3
1G
1C0
1C1
1C2
1C3
EN
0
1
2
3
2C0
2C1
2C2
2C3
2G
Select
input
Strobe
G
Output
Y
x
x
H
H
L
L
L
L
L
L
L
L
H
H
H
H
C0
C1
C2
C3
1Y
2Y
Sel 0
Sel 1
Sel 0
Sel 1
Слайд 6
![* T. Evartson + + a0 b0 & + a1 b1](/_ipx/f_webp&q_80&fit_contain&s_1440x1080/imagesDir/jpg/469263/slide-5.jpg)
*
T. Evartson
+
+
a0
b0
&
+
a1
b1
0
&
&
1
1
s´0
s´1
n0
n1
k0
k1
e0
e1
M = 0
S = 0 Y = A + B
S
= 1 Y = R1 (A)
M = 1
S = 0 Y = A B
S = 1 Y = B
V
0
1
MUX
EN
0
1
2
3
EN
0
1
2
3
y0
y1
M
S
SN74S153
0
ALU näide II
Слайд 7
![* T. Evartson](/_ipx/f_webp&q_80&fit_contain&s_1440x1080/imagesDir/jpg/469263/slide-6.jpg)