Intel mcs-48 Sh,Ah,T,Te,L,Le,Sr,Rl,Pp,C, Ah,C, Dac, Dav, Dcl, End, Get, Gtl, Le,Pp, Ifc, Llo, Mla

	8291
	TABLE 2.
	IEEE 488 INTERFACE MESSAGE REFERENCE LIST
Mnemonic	Message	Interlace Functlon(s)
LOCAL MESSAGES RECEIVED (By Interlace Functions)
·gts	go to standby	C
ist	individual status	PP
Ion	listen only	L, LE
Ipe	local poll enable	PP
nba	new byte available	SH
pon	power on	SH,AH,T,TE,L,LE,SR,RL,PP,C
rdy	ready	AH
• rpp	request parallel poll	C
• rsc	request system control	C
rsv	request service	SR
rtl	return to local	RL
'sic	send interface clear	C
'sre	send remote enable	C
*tca	take control asynchronously	C
·tcs	take control synchronously	AH,C
ton	talk only	T, TE
REMOTE MESSAGES RECEIVED
ATN	Attention	SH,AH,T,TE,L,LE,PP,C
DAB	Data Byte	(Via L, LE)
DAC	Data Accepted	SH
DAV	Data Valid	AH
DCL	Device Clear	DC
END	End	(via L, LE)
GET	Group Execute Trigger	DT
GTL	Go to Local	RL
lOY	Identify	L,LE,PP
IFC	Interface Clear	T,TE,L,LE,C
LLO	Local Lockout	RL
MLA	My Listen Address	L,LE,RL,T,TE
MSA	My Secondary Address	TE,LE,RL
MTA	My Talk Address	T,TE,L,LE
OSA	Other Secondary Address	TE
OTA	Other Talk Address	T, TE
PCG	Primary Command Group	TE,LE,PP
tPPc	Parallel Poll Configure	PP
t [PPD)	Parallel Poll Disable	PP
t [PPE]	Parallel Poll Enable	PP
• PPRN	Parallel Poll Response N	(via C)
tPPu	Parallel Poll Unconfigure	PP
REN	Remote Enable	RL
RFD	Ready for Data	SH
RaS	Request Service	(via L, LE)
[SOC]	Select Device Clear	DC
SPD	Serial Poll Disable	T, TE
SPE	Serial Poll Enable	T, TE
'SaR	Service Request	(via C)
STB	Status Byte	(via L, LE)
'TCTor [TCT]	Take Control	C
UNL	Unlisten	L, LE

'These'messages are handled only by Intel's8292.

tUndefined commands which may be passed to the microprocessor.

9-86