Name       CNT10;
Partno     atv750b;
Date       12/03/93;
Revision   01;
Designer   Joe PLD;
Company    Atmel Corporation;
Assembly   U00;
Location   San Jose;
Device     v750B;


/*****************************************************************/
/*          Two 10-bit Counter example for ATV750B               */
/*                                                               */
/*  This example has 2 10-bit counters which can load or count.  */
/*  The first counter is loaded from the inputs, and the second  */
/*  counter is loaded from the output of the first.              */
/*****************************************************************/
/* Allowable Target Device Types:  ATV750B                       */
/*****************************************************************/

/** Inputs **/

PIN     1   = CLK;       /* Synchronous clock pin using .CKMUX */
PIN     2   = LD;
PIN     3   = D0;
PIN     4   = D1;
PIN     5   = D2;
PIN     6   = D3;
PIN     7   = D4;
PIN     8   = D5;
PIN     9   = D6;
PIN    10   = D7;
PIN    11   = D8;
PIN    13   = D9;

/** Outputs **/

PIN    14   = Q0;
PIN    15   = Q1;
PIN    16   = Q2;
PIN    17   = Q3;
PIN    18   = Q4;
PIN    19   = Q5;
PIN    20   = Q6;
PIN    21   = Q7;
PIN    22   = Q8;
PIN    23   = Q9;
PINNODE 25  = A0;
PINNODE 26  = A1;
PINNODE 27  = A2;
PINNODE 28  = A3;
PINNODE 29  = A4;
PINNODE 30  = A5;
PINNODE 31  = A6;
PINNODE 32  = A7;
PINNODE 33  = A8;
PINNODE 34  = A9;


/** Logic Equations **/

A9.t =  LD & !D9 & A9
       # LD & D9 & !A9
       # !LD & A8 & A7 & A6 & A5 & A4 & A3 & A2 & A1 & A0 ;

A8.t =  LD & !D8 & A8
       # LD & D8 & !A8
       # !LD & A7 & A6 & A5 & A4 & A3 & A2 & A1 & A0 ;

A7.t =  LD & !D7 & A7
       # LD & D7 & !A7
       # !LD & A6 & A5 & A4 & A3 & A2 & A1 & A0 ;

A6.t =  LD & !D6 & A6
       # LD & D6 & !A6
       # !LD & A5 & A4 & A3 & A2 & A1 & A0 ;

A5.t =  LD & !D5 & A5
       # LD & D5 & !A5
       # !LD & A4 & A3 & A2 & A1 & A0 ;

A4.t =  LD & !D4 & A4
       # LD & D4 & !A4
       # !LD & A3 & A2 & A1 & A0 ;

A3.t =  LD & !D3 & A3
       # LD & D3 & !A3
       # !LD & A2 & A1 & A0 ;

A2.t =  LD & !D2 & A2
       # LD & D2 & !A2
       # !LD & A1 & A0 ;

A1.t =  LD & !D1 & A1
       # LD & D1 & !A1
       # !LD & A0 ;

A0.t =  !LD
       # !D0 & A0
       # D0 & !A0 ;

[A9..0].ckmux = CLK;

Q9.t =  LD & !A9 & Q9
       # LD & A9 & !Q9
       # !LD & Q8 & Q7 & Q6 & Q5 & Q4 & Q3 & Q2 & Q1 & Q0 ;

Q8.t =  LD & !A8 & Q8
       # LD & A8 & !Q8
       # !LD & Q7 & Q6 & Q5 & Q4 & Q3 & Q2 & Q1 & Q0 ;

Q7.t =  LD & !A7 & Q7
       # LD & A7 & !Q7
       # !LD & Q6 & Q5 & Q4 & Q3 & Q2 & Q1 & Q0 ;

Q6.t =  LD & !A6 & Q6
       # LD & A6 & !Q6
       # !LD & Q5 & Q4 & Q3 & Q2 & Q1 & Q0 ;

Q5.t =  LD & !A5 & Q5
       # LD & A5 & !Q5
       # !LD & Q4 & Q3 & Q2 & Q1 & Q0 ;

Q4.t =  LD & !A4 & Q4
       # LD & A4 & !Q4
       # !LD & Q3 & Q2 & Q1 & Q0 ;

Q3.t =  LD & !A3 & Q3
       # LD & A3 & !Q3
       # !LD & Q2 & Q1 & Q0 ;

Q2.t =  LD & !A2 & Q2
       # LD & A2 & !Q2
       # !LD & Q1 & Q0 ;

Q1.t =  LD & !A1 & Q1
       # LD & A1 & !Q1
       # !LD & Q0 ;

Q0.t =  !LD
       # !A0 & Q0
       # A0 & !Q0 ;

[Q9..0].ckmux = CLK;