add.doc

GAL设计的累加器

                                                                      Page 1
ABEL 4.00  -  Device Utilization Chart         Fri Jun  3 14:48:12 19:5



    ==== P16V8R Programmed Logic ====


S     = !(  !A & !B & !CI 
        #   A & B & !CI 
        #   A & !B & CI 
        #   !A & B & CI );

CO     = !(  !B & !CI 
        #   !A & !CI 
        #   !A & !B );




                                                                      Page 2
ABEL 4.00  -  Device Utilization Chart         Fri Jun  3 14:48:12 19:5



                 ==== P16V8R Chip Diagram ====



                            P16V8R

                 +---------\       /---------+
                 |          \     /          |
                 |           -----           |
                 |  1                    20  | Vcc             
                 |                           |
               A |  2                    19  | S               
                 |                           |
               B |  3                    18  | CO              
                 |                           |
              CI |  4                    17  |                 
                 |                           |
                 |  5                    16  |                 
                 |                           |
                 |  6                    15  |                 
                 |                           |
                 |  7                    14  |                 
                 |                           |
                 |  8                    13  |                 
                 |                           |
                 |  9                    12  |                 
                 |                           |
             GND | 10                    11  |                 
                 |                           |
                 |                           |
                 `---------------------------'

                SIGNATURE: N/A


                                                                      Page 3
ABEL 4.00  -  Device Utilization Chart         Fri Jun  3 14:48:12 19:5



                ==== P16V8R Resource Allocations ====


        Device        | Resource  |   Design    |    Part     |  
       Resources      | Available | Requirement | Utilization | Unused
======================|===========|=============|=============|==============
                      |           |             |             |
Dedicated input pins  |      8    |       3     |     3       |     5 ( 62 %)
Combinatorial inputs  |      8    |       3     |     3       |     5 ( 62 %)
Registered inputs     |      -    |       0     |     -       |     -
                      |           |             |             |
Dedicated output pins |      -    |       2     |     -       |     -
Bidirectional pins    |      8    |       0     |     2       |     6 ( 75 %)
Combinatorial outputs |      -    |       2     |     -       |     -
Registered outputs    |      -    |       0     |     -       |     -
Reg/Com outputs       |      8    |       -     |     2       |     6 ( 75 %)
Two-input XOR         |      -    |       0     |     -       |     -
                      |           |             |             |
Buried nodes          |      -    |       0     |     -       |     -
Buried registers      |      -    |       0     |     -       |     -
Buried combinatorials |      -    |       0     |     -       |     -



                                                                      Page 4
ABEL 4.00  -  Device Utilization Chart         Fri Jun  3 14:48:12 19:5



                ==== P16V8R Product Terms Distribution ====


            Signal             |    Pin   | Terms | Terms | Terms
             Name              | Assigned | Used  |  Max  | Unused
===============================|==========|=======|=======|=======
S                              |   19     |   4   |   7   |   3
CO                             |   18     |   3   |   7   |   4


     ==== List of Inputs/Feedbacks ====

Signal Name                    | Pin      | Pin Type
============================== |==========|=========
A                              |    2     | INPUT
B                              |    3     | INPUT
CI                             |    4     | INPUT



                                                                      Page 5
ABEL 4.00  -  Device Utilization Chart         Fri Jun  3 14:48:12 19:5



    ==== P16V8R Unused Resources ====


 Pin   |  Pin   |   Product   | Flip-flop
Number |  Type  |   Terms     |   Type
=======|========|=============|==========
    5  |  INPUT |      -      |    -   
    6  |  INPUT |      -      |    -   
    7  |  INPUT |      -      |    -   
    8  |  INPUT |      -      |    -   
    9  |  INPUT |      -      |    -   
   12  |  BIDIR | NORMAL  7   |    D
   13  |  BIDIR | NORMAL  7   |    D
   14  |  BIDIR | NORMAL  7   |    D
   15  |  BIDIR | NORMAL  7   |    D
   16  |  BIDIR | NORMAL  7   |    D
   17  |  BIDIR | NORMAL  7   |    D



                                                                      Page 6
ABEL 4.00  -  Device Utilization Chart         Fri Jun  3 14:48:12 19:5



    ==== I/O Files ====


Module: 'add'


Input files
===========
ABEL PLA file: ADD.tt2
Vector file: add.tmv
Device library: P16V8R.dev

Output files
============
Report file: ADD.doc
Programmer load file: add.jed