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Technical Specifications
A-9
Flamingo
Rev. C
A5 size APPSPEC.FM
11/5/98 Pass 0
R
Proof Sign-off:
M.Takata _______
K.Nishi _______
K.Pipa _______
PError/AckDataReq/nAckReverse
Set/Xflag
Compatibility mode: High signal indicates that a feed jam
occurred in the paper supply section, or
that there is no paper in the paper tray.
Negotiation phase: High signal indicates whether or not
IEEE 1284 is supported or not.
Afterwards, this signal conforms with
nDataAvail (nFault).
Reverse data transfer phase: In nibble mode, this signal serves as
nibble data bit 2 and then 6.
Reverse final phase: High until the host requests a data
transfer. Afterwards, this signal
conforms with nDataAvail (nFault).
ECP mode: Low signal authorizes nReverseRequest.
The host looks at this signal in order to
determine whether or not it has
permission to drive the data signals.
Compatibility mode: Always high.
Negotiation phase: Xflag indicates the extensibility flag.
Used to respond to the extensibility
request value sent from the host.
Reverse data transfer phase: In nibble mode, this signal serves as
nibble data bit 1 and then 5.
Reverse idle phase: Same as negotiation phase.
ECP mode: Same as negotiation phase.