Cypress Semiconductor FX2LP Guide d'installation télécharger pdf (Page 24)

EZ-USB Development Kit Manual - Getting Started

Page -20 EZ-USB Development Kit Manual - Getting Started Rev 1.0

!nRAMOE= !nRD # !nPSEN;

EA = 0;

}

ELSE WHEN(modesw == 10) THEN" All program mem external

{

!nRAMCE = 1;

!nRAMOE =!nRD # !nPSEN;

EA = 1;

}

test_vectors

([mm1,mm0,A15,nRD,nPSEN] -> [nRAMCE, nRAMOE, EA])

[ 0 , 0 , x , x , x ] -> [ 1 , 1 , 0];" 10: all mem selects and

strobes OFF

[ 0 , 1 , 0 , 1 , 1 ] -> [ 1 , 1 , 0];" 01: top of mem for rd or

psen

[ 0 , 1 , 1 , 1 , 0 ] -> [ 0 , 0 , 0];" PSEN only

[ 0 , 1 , 1 , 0 , 1 ] -> [ 0 , 0 , 0];" RD only

[ 0 , 1 , 1 , 1 , 1 ] -> [ 0 , 1 , 0];" Neither RD or PSEN

[ 1 , 1 , 0 , 1 , 0 ] -> [ 0 , 0 , 0];" 11: top and bot mem for rd

or psen

[ 1 , 1 , 0 , 0 , 1 ] -> [ 0 , 0 , 0];

[ 1 , 1 , 0 , 1 , 1 ] -> [ 0 , 1 , 0];

[ 1 , 1 , 1 , 1 , 0 ] -> [ 1 , 0 , 0];" PSEN

[ 1 , 1 , 1 , 0 , 1 ] -> [ 1 , 0 , 0];" RD

[ 1 , 1 , 1 , 1 , 1 ] -> [ 1 , 1 , 0];" neither

[ 1 , 0 , 1 , 1 , 0 ] -> [ 1 , 0 , 1];" PSEN

[ 1 , 0 , 1 , 0 , 1 ] -> [ 1 , 0 , 1];" RD

[ 1 , 0 , 1 , 1 , 1 ] -> [ 1 , 1 , 1];" neither

test_vectors

([nRD,nPSEN] -> [nRAMOE])

[ 0 , 0 ] -> [ 0 ];

[ 0 , 1 ] -> [ 0 ];

[ 1 , 0 ] -> [ 0 ];

[ 1 , 1 ] -> [ 1 ];

test_vectors

(addr -> [PF0, PF1, PF2, PF3])

[1,0,0,0,0,0] -> [0, 0, 0, 0];

[1,0,0,0,1,0] -> [1, 0, 0, 0];

END

1 2 ... 19 20 21 22 23 24 25 26 27 28

Pas de commentaire

Cypress Semiconductor FX2LP Guide d'installation Page 24