MAQ2901CE Datasheet

  • MAQ2901CE

  • RADIATION HARD 4-BIT MICROPROCESSOR SLICE

  • 261.29KB

  • 13页

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MA2901
Octal
Group
I
5,4,3
/I
2,1,0
40
41
45
46
30
31
35
36
60
61
65
66
70
71
75
76
72
73
74
77
62
63
64
67
32
33
34
37
40
43
44
47
50
51
55
56
Function
A
Q
A
B
D
A
D
Q
A
V
Q
A
V
B
D
V
A
D
V
Q
A
鈭?/div>
Q
A
鈭?/div>
B
D
鈭?/div>
A
D
鈭?/div>
Q
AN
鈭?/div>
QN
AN
鈭?/div>
BN
DN
鈭?/div>
AN
DN
鈭?/div>
QN
Q
B
A
D
Q
B
A
D
Q
B
A
D
0
0
0
0
AN
Q
AN
B
DN
A
DN
Q
AND
OR
EX-OR
EX-NOR
INVERT
PASS
PASS
鈥榋ERO鈥?/div>
AND
+ = plus; - = minus;
V
= OR;
= AND;
鈭?/div>
= EX-OR
Figure 6: ALU Logic Mode Functions (C
n
Irrelevant)
Octal
I
5,4,3
/I
2,1,0
00
01
05
06
02
03
04
07
12
13
14
27
22
23
24
17
10
11
15
16
20
21
25
26
Group
Cn=0(Low)
Function
A+Q
A+B
D+A
D+Q
Q
B
A
D
Q-1
B-1
A-1
D-1
-Q-1
-B-1
-A-1
-D-1
Q - A -1
B - A-1
A - D-1
Q - D-1
A - Q-1
A - B-1
D - A-1
D - Q-1
Cn = 1 (High)
Group
ADD
plus one
Function
A + Q +1
A + B +1
D + A +1
D+Q+1
Q +1
B+1
A+1
D+1
Q
B
A
D
-Q
-B
-A
-D
Q-A
B-A
A-D
Q-D
A-Q
A-B
D-A
D-Q
ADD
PASS
Increment
Decrement
PASS
1s comp
2s comp
(negate)
SUBTRACT
(1s comp)
SUBTRACT
(2s comp)
Figure 7: ALU Arithmetic Mode Functions
5

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