Additional Macrocell Configurations
Besides the standard four-configuration macrocells, each
PEEL™22CV10A provides an additional eight configura-
tions (twelve total) that can be used to increase design flex-
ibility
(see Figure 6 and Table 2). For logic assembly of all twelve
configurations,
specify
PEEL™22CV10A+
and
PEEL22CV10A++.
Figure 6. Twelve Configurations of the PEEL™22CV10A+ and PEEL22CV10A++ I/O Macrocell
Table 2. PEEL™ 22CV10A+ & A++ Macrocell Configuration Bits
Configuration
Input/Feedback Select
Output Select
#
1
2
3
4
5
6
7
8
A B C D
1 1 1 1
0 1 1 1
1 0 1 1
0 0 1 1
1 1 1 0
0 1 1 0
1 0 1 0
0 0 1 0
1 1 0 0
1 0 0 0
1 0 0 0
0 0 0 0
Active Low
Active High
Active Low
Active High
Active Low
Active High
Active Low
Active High
Active Low
Active High
Active Low
Active High
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Bi-Directional I/O
Combinatorial
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Combinatorial
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9
10
11
12
Combinatorial
Anachip Corp.
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Rev. 1.0 Dec 16, 2004
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