XR16C872CQ EXAR [Exar Corporation], XR16C872CQ Datasheet - Page 41

• Manufacturer Part Number: XR16C872CQ
• Description: DUAL UART WITH 1284 PARALLEL PORT AND PLUG-AND-PLAY CONTROLLER
• Manufacturer: EXAR [Exar Corporation]

“CENTRONICS, SPP” SIGNAL DESCRIPTIONS
Signal
STROBE#
AUTOFD#
SELCTIN#
INIT#
ACK#
BUSY
PE
SELECT
ERR#
PD0-PD7
Name
Rev. 1.00
Signal
Type
O
O
O
O
O
I
I
I
I
I
Data.
Description
Active low. Indicates valid data is on the data lines.
Active low. Instructs the printer to automatically insert a line feed for each carriage
return.
Active low. Used to indicate to the printer that it is selected.
Active low. Used to reset the printer
A low asserted pulse used to indicate that the last character was received.
A high signal asserted by the printer to indicate that it is busy and cannot take data.
A high signal indicated that printer paper is empty.
A high signal indicates that printer is online.
Asserted low to indicate that some error condition exists.
DISCONTINUED
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XR16C872