D-5
User's Manual
INTERFACE INFORMATION
Interface
Pin
Return
Signal
Direc-
Description
No. Pin No.
name
tion
14
–
Host Busy
Input
Reverse data transfer phase:
This signal is set low when the
host can receive data, and goes
high when the host has received
data. Following a reverse data
transfer, the interface enters the
reverse idle phase when the Host
Busy signal goes low and the
printer has no data.
Reverse idle phase:
This signal goes high when the
Printer Clock signal goes low so
that the interface re-enters the
reverse data transfer phase. If it
goes high with the 1284 Active
signal low, the 1284 idle phase is
aborted and the interface returns
to the compatibility mode.
32
–
Data Available
Output
Reverse data transfer phase:
This signal is set low when the
printer is ready to send data to
the host. During the data
transfer, it is used as data bit 0
(LSB), then data bit 4.
Reverse idle phase:
This signal is used to indicate
that data is available.
36
–
1284 Active
Input
This signal goes high to cause the
printer to enter the reverse data
transfer phase (nibble mode).
Summary of Contents for 2248
Page 1: ...User Guide Matrix Printer ...
Page 14: ...User s Manual xii ...
Page 46: ...SETTING UP 2 28 User s Manual ...
Page 66: ...PAPERHANDLING User s Manual 3 20 ...
Page 134: ...USING SETUP MODE User s Manual 5 60 ...
Page 136: ...USING SETUP MODE User s Manual 5 62 ...
Page 158: ...INSTALLING OPTIONS 8 2 User s Manual ...
Page 160: ...SUPPLIES AND OPTIONS A 2 User s Manual ...
Page 170: ...PRINTER AND PAPER SPECIFICATIONS B 10 User s Manual ...
Page 188: ...C 18 User s Manual COMMAND SETS ESC P2 ...
Page 203: ...User s Manual E 3 CHARACTER SETS Character Sets Graphics Character Set 2 ...
Page 211: ...User s Manual E 11 CHARACTER SETS Character Sets MIK MACEDON Macedonian ABG ABY ...
Page 212: ...E 12 User s Manual CHARACTER SETS DECGR GREEK 11 PG MAC ELOT927 ...
Page 213: ...User s Manual E 13 CHARACTER SETS Character Sets PAGE862 HBR OLD HBR DEC ISO TUK ...
Page 214: ...E 14 User s Manual CHARACTER SETS LATIN 9 RUSCII ...
Page 218: ...E 18 User s Manual CHARACTER SETS NORWEGN Norwegian FRENCH French DANISH2 Danish2 KOREA Korea ...
Page 219: ...User s Manual E 19 CHARACTER SETS Character Sets LEGAL Legal ...
Page 222: ......