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Chapter 9
CENTRONICS PRINTER INTERFACE
Contents
Page
OVERVIEW
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9-1
PRINTER PORT OUTPUT CHARACTERISTICS
. . . . . . . . . . . . . . . . . . .
9-3
USING THE PRINTER PORT
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9-4
REGISTER DEFINITIONS/ADDRESSES
. . . . . . . . . . . . . . . . . . . . . . . . . .
9-5
Data Port
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9-6
Status Port
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9-7
Control Port
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9-8
Interrupt Capability
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9-9
Shared Signals
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9-10
DISABLING SHARING OF PRINTER PORT SIGNALS
. . . . . . . . . . .
9-12
OPTIONAL PRINTER CABLE PINOUT
. . . . . . . . . . . . . . . . . . . . . . . . . .
9-14
PRINTER PORT RESET STATE
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9-15
OVERVIEW
This chapter provides a descsription of the Centronics printer
interface, instructions for using the printer port, register definitions
and addresses, and information on dedicating the shared printer port
signals to printer use only. It also includes the pinout for the optional
ZT 90039 printer port cable and a summary of the effect of system
reset on the printer port.
9-1
Содержание ZT 8809A
Страница 15: ...Tables Table B 9 J5 Pin Assignments B 17 Table B 10 J6 Pin Assignments B 18 Table B 11 J7 Pin Assignments B 19...
Страница 334: ...Jumper Configurations W49 W48 A W47 B A B W37 W66 A W50 B C J7 W67 Figure A 11 W37 W47 50 W66 W67 Jumper Blocks A 34...
Страница 346: ...Jumper Configurations W61 W60 W62 W63 W64 A B A B W65 Figure A 13 W60 W65 Jumper Block A 46...