PMC-Sierra, Inc.
STANDARD PRODUCT
PM5945 -UTP5
PMC-940202 ISSUE 2. APRIL 7, 1995
APP_SAPI_UTP5
______________________________________________________________________________________________
APPENDIX A: PAL EQUATIONS
-- UTOPIA interface PAL U12
-- Used to generate the LOS and Chip Select Signals
-- to the S/UNI receive FIFOs
USE work.bv_math.all;
USE work.rtlpkg.all;
USE work.cypres.all;
-- necessary for inc_bv();
ENTITY los_cs_pal IS
PORT (poclk0, poclk1, csb, rdb, wrb, a8, a6, a5,
rstb, a7, d0, sd: IN BIT;
rser, csbo, loopb,
prom_enb, brstb : OUT BIT;
piclk: INOUT x01z);
ATTRIBUTE order_code of los_cs_pal:ENTITY is "PAL22V10D-10PC";
ATTRIBUTE part_name of los_cs_pal:ENTITY IS "C22V10";
ATTRIBUTE pin_numbers of los_cs_pal:ENTITY IS
"poclk0:1 " &
"poclk1:2 " &
"csb:3 " &
"wrb:4 " &
"rdb:5 " &
"a8:6
"a6:7
" &
" &
"a5:8 " &
"rstb:9 " &
"a7:10 " &
"d0:11 " &
"sd:13 " &
"csbo:17 " &
"loopb:18 " &
"rser:19 " &
"prom_enb:21 " &
"brstb:22 " &
"piclk:23";
END los_cs_pal;
ARCHITECTURE behavior OF los_cs_pal IS
SIGNAL set_reset,piclk_b,hold, grst,rser_din,oe_d: BIT;
SIGNAL loopb_d,oe, loopb_en,loopb_dis,sd_sample: BIT;
SIGNAL high :BIT := '1';
______________________________________________________________________________________________
30
PMC [ PMC-SIERRA, INC ]
