COMPANY Rigel Corporation

DATE 07/20/94

CHIP _r167u1 PALCE16V8

; --- PIN Declarations

--------------------------------; --- inputs ---

PIN

1

A18

COMBINATORIAL

PIN

2

A19

COMBINATORIAL

PIN

3

A20

COMBINATORIAL

PIN

4

A21

COMBINATORIAL

PIN

5

A22

COMBINATORIAL

PIN

6

A23

COMBINATORIAL

PIN

7

RSTIN_

COMBINATORIAL

PIN

8

RSTOUT_

COMBINATORIAL

PIN

9

CFG0

COMBINATORIAL

PIN 11

CFG1

COMBINATORIAL

; --- outputs ---

 

PIN

12

HISEG

COMBINATORIAL

PIN

13

RSTCYC

COMBINATORIAL

PIN

14

RSTCYC_

COMBINATORIAL

PIN

15

AUX0

COMBINATORIAL

PIN

16

AUX1

COMBINATORIAL

PIN

17

DUMMY

COMBINATORIAL

PIN

18

LEDRST_

COMBINATORIAL

PIN

19

LEDAUX_

COMBINATORIAL

; --- Boolean Equation Segment -----------------------

-EQUATIONS

RSTCYC = /( RSTIN_ * RSTCYC_ ) RSTCYC_ = /( /RSTOUT_ * RSTCYC )

HISEG

= A18 * A19 * A20 * A21 * A22 * A23

AUX0

=

CFG0

AUX1

=

CFG1

DUMMY

=

1

LEDRST_

=

RSTCYC

LEDAUX_

=

RSTCYC_

;-----------------------------------------------------

 

6.2.2U2 Equations For EPROM In Low Memory

;PALASM Design Description

; CFG0 and CFG1 select RAM and EPROM

;

; jumper at

low 32K

high 32K

; -----------

-------

--------

;

NONE

RAM

RAM

;

CFG0

EPROM

RAM

;

CFG1

RAM

EPROM

;CFG0 and CFG1

EPROM

EPROM

; --- Declaration Segment ----------------------------

-TITLE

RMB-167 Memory Decode Logic

PATTERN

 

 

 

REVISION

 

 

 

AUTHOR

 

 

 

COMPANY

Rigel Corporation

 

DATE

 

09/14/94

 

CHIP

_r167u2

PALCE16V8

 

 

 

 

 

-15-

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RCA RMB-167 manual 2 U2 Equations For Eprom In Low Memory