PM5945-UTP5 Datasheet, PDF (39/84 Pages) PMC-Sierra, Inc – ATM PHYSICAL INTERFACE APPLICATION BOARD FOR CAT-5 UTP

S TANDARD PRODUCT
PMC-Sierra, Inc.
PM5945 -UTP5
PMC-940202 ISSUE 2. APRIL 7, 1995
APP_SAPI_UTP5
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-- UTOPIA interface PAL U16
-- Used to interface the Vicksburg Motherboard F-FRED chip --
to the S/UNI receive FIFOs
USE work.bv_math.all;
USE work.rtlpkg.all;
-- necessary for inc_bv();
ENTITY rx_pal IS
PORT (rxclk, resetb, rsoc, rca, RxenbB, low, paeb, pafb, ffb: IN BIT;
rrdb, wclk, wen1b: OUT BIT);
ATTRIBUTE order_code of rx_pal:ENTITY is "PAL22V10D-10PC";
ATTRIBUTE part_name of rx_pal:ENTITY IS "C22V10";
ATTRIBUTE pin_numbers of
rx_pal:ENTITY IS
"rxclk:1 " &
"paeb:5
"&
"RxenbB:6 " &
"rsoc:7
"&
"rca:8
"&
"pafb:9
"&
"ffb:10
"&
"resetb:11 " &
"low:13 " &
"rrdb:14 " &
"wclk:21 " &
"wen1b:23";
END rx_pal;
ARCHITECTURE behavior OF rx_pal IS
SIGNAL count:bit_vector(5 downto 0);
SIGNAL rca_sample: BIT;
SIGNAL high :BIT := '1';
SIGNAL wclk_d,wen1b_d,rrdb_d:BIT; -- dummy bits
BEGIN
proc1: PROCESS
--
VARIABLE CountEnable: BIT;
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