Motorola MC68030 User Manual page 571

/**
Intermediate Equations
**/
/* State
PHALT SC EP IE
*/
SO !PHALT
&
!SC
&
!EP
&
!IE; /* 0 0 0 0
0 */
S1 !PHALT
&
!SC
&
!EP
&
IE; /* 1 0 0 0 1
*/
S2 !PHALT
&
!SC
&
EP
&
IE;
/* 2
0 0 1 1
*/
S3 !PHALT & !SC
&
EP
&
!IE;
/* 3
0 0 1
0 */
S4 PHALT
&
SC
&
EP & IE;
/*
4 1 1 1 1
*/
S5 !PHALT & SC
&
!EP
& IE;
/*
5 0 1 0 1
*/
S6 !PHALT
&
SC
&
EP
& IE;
/* 6 0 1 1 1
*/
S7 !PHALT
&
SC
&
EP
&
!IE; /* 7 0 1 1
0 */
/**
Logic Equations
**/
!SAMPLE
=
!SC
&
!AS
&
!SECS #
!SC
&
lDSACK
&
!STERMO
&
!SECS #
!SC
&
AS
&
!DSACK
&
!STERMO
&
SECS;
!PHALT.d
=
!STATUSO
#
!EP
#
IE
#
RESET;
!SC.d
=
RESET #
SO #
S1
&
STATUSO #
S2
&
STATUSO #
S4
&
!STATUSO #
SC
&
!PHALT;
!EP.d
=
RESET #
SO #
S1
&
!STATUSO #
S4
&
!STATUSO #
SC
&
!PHALT;
!IE.d
=
RESET #
SO
&
!STATUSO #
S2
&
STATUSO #
S3
&
!STATUSO #
!SECS.d
SC & !STATUSO;
=
!ECSO;
-
!CLKOUT
=
!CLK;
!FILL.d
=
!REFILLO
&
SAMPLE #
!FILL &
!REFILLO #
RESET;
Figure 12-25. Logic Equations
MOTOROLA MC68030 USER'S MANUAL
12-45