RCA RMB-167 User Manual
Page 21
- -
15
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_
;-----------------------------------------------------
6.2.2 U2 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