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

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-