Motorola MSC8101 ADS User Manual download pdf (Page 101)

C-100 MSC8101ADS RevB User’s Manual MOTOROLA

C•1•2 Second Include file

%*********************ResetEnsure.tdf ******************************%

% TITLE “MSC8101 ADS Board Control and Status Register.”; %

% Written by Yehuda Palchan - February , 2000 %

% This file defines the Reset Ensure State Machine %

%*******************************************************************%

SubDesign Reset_Ensure

(

Clk: INPUT;

Reset: INPUT;

PushBtn : INPUT;

Rst_True: OUTPUT;

)

Variable

RstEnsureMachine: MACHINE WITH STATES (Start, Rst1, Rst2, Rst3);

Begin

RstEnsureMachine.clk= Clk;-- Initialize

RstEnsureMachine.reset= Reset;

CASE RstEnsureMachine IS

When Start =>-- Poreset State

Rst_True= GND;

if PushBtn == 1 then

RstEnsureMachine= Start;

else

RstEnsureMachine= Rst1;-- PushButton Pressed

end if;

When Rst1=>-- First check of PushButton Succeded

Rst_True= GND;

if PushBtn== 1 then

RstEnsureMachine= Start;

else

RstEnsureMachine= Rst2;

end if;

When Rst2=>-- Second check of PushButton Succeded

Rst_True= GND;

if PushBtn== 1 then

RstEnsureMachine= Start;

else

RstEnsureMachine= Rst3;

end if;

When Rst3=>-- Third check of PushButton Succeded

Rst_True= VCC;

if PushBtn== 1 then

RstEnsureMachine= Start;

else

RstEnsureMachine= Rst3;

end if;

end case;

End;

Frees

cale Semiconductor,

Freescale Semiconductor, Inc.

For More Information On This Product,

Go to: www.freescale.com

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