Am33c93a Scsi-bus Interface Controller Timing 7

SEND SYNCHRONOUSINFORMATIONTRANSFEROUT (ACTIN AS AN NInATOR)

Symbol

Characterlstlc

tovor-

DataValidOutto

r.ALDI

ACK

50

hsstffiffiffi{gK

out Hish

rcyc-10

ffiCK Out High to ACK Out Low Tcyc-25 ACK Out High to PhaseChangefn 0

Untts ns ns ns ns ns ns ns

Parameters trurc taw andt*rrare alsoapplicableandare identicalto thosein Send SynchronouslnformationTransferln (Actingas a Target),bottomof page40. DBx

t/o

TRLRH---HTtRHRL

REO ecK IM NOTE: Phase= signalsthatdefinethe bus phasem, ilm 1r!63S74

RECEI

SYNCHRONOUS INFORMATTON TRANSFEROUT (ACTlNc AS A TARGET)

Symbol touol tarot tRrnH tnxnl tl,.lt tnHrutoro"

Characterlstlc DataValidInto Iffi In Low

Mln

ACK In Low to Data Inva

h to PhaseChangeOut

50 50 0

Max*u # Unlts

ns ns ns ns ns ns ns

Parameters tape t*o and t*, are also applicable and are identical to those in Send Synchronous lnformation TransferOut (Acting as an lnitiator), top of this page. DBx lrO

TRLRH#tRHRL

nm ACK

m NOTE: Phase= signalsthat detinElhe bus phase dD, ill$

Am33@3A

+75

ARBITRATIONTO BUSFFEE

SEL

DEx

118!ill4n^

(ASAN INInATOR)ORRESELECnON SELECTION (ASA TARGET) TO BUSFREE (SELECT|ON TTMEOUT) Symbol Chanctedsttc Mln Mar Unlts Tineout Aboft or Data to Bus Cleared 0 ns \oo"

llfffiffi"ffi' ffiffiW lrs ns ns

SEL

DEx Tgroupor Qroup NOTE: Tgroup(signalsdrivenby a Target)- kO,C/D,MSG,RFe lgroup(s[nals drivenby an Initiator)- ATN,ACK 11853-OtlOA

CONNECTED.AS.AN-INITIATOR TO BUS FREE

Symbol

Charac{erlsilc

te*rot tel{n

1185&0'11A

+76

Am33C93A

TO BUS'FREE CONNECTET}AS.A.TARGET te*or ts*er ffi +

DBx Tgroup

Am33G€3A

4-Tl