HEF4738 Ver la hoja de datos (PDF) - Philips Electronics
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HEF4738 Datasheet PDF : 8 Pages
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Philips Semiconductors
IEC/IEEE bus interface
LIST OF USED ABBREVIATIONS
A1 to A5
ACDS
APRS
ATN
AVD
cats
clr
CVD
DAC
DAV
DCAS
dcd
DCL
DIO
DTAS
dvd
EOI
GTL
IDY
IFC
ist
LLO
loc
LOCS
Ion
It
LWLS
MLA
MTA
nba
NRFD
NDAC
OTA
P1 to P3
PCA
pon
PP
PPC
PPD
address
acceptor data state
affirmative poll response state
attention
address valid
controller active or transfer state
device clear
command valid
data accepted
data valid
device clear active state
don’t change data
device clear
data input output
device trigger active state
data valid device
end of output/identify
go to local
identify
interface clear
individual status
local lock-out
local
local state
listen only
decides whether the device can only be
listener/talker or listener and talker
simultaneously
local with lock-out state
my listen address
my talk address
new byte available
not ready for data
not data accepted
other talk address
parallel response messages
parallel poll configure accepted
power on
parallel poll message enable
parallel poll configure
parallel poll disable
PPE
PPU
rdy
red
REN
RFD
RQS
rsv
rtl
SDC
SGNS
SIDS
SIWS
sp
SPAS
SPD
SPE
sr
SRQ
SRQS
SWNS
ta
tct
ton
trg
UNL
January 1995
6
Product specification
HEF4738V
LSI
parallel poll enable
parallel poll unconfigure
ready for next message
ready for next shift cycle
remote enable
ready for data
requested service
request for service
return to local
selected device clear
source generate state
source idle state
source idle wait state
serial poll
serial poll active state
serial poll disable
serial poll enable
shift register
service request
request service state
source wait for new cycle state
talker active
talk control
talk only
trigger
unlisten
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