Printer input status register, Printer input status register -44 – Motorola MVME1X7P User Manual

Page 242

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3-44

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3

Printer Input Status Register

BSY

This bit reflects the state of the Printer Busy input pin. It
is 1 when BSY is high and 0 when BSY is low.

PE

This bit reflects the state of the Printer Paper Error input
pin. It is 1 when PE is high and 0 when PE is low.

SEL

This bit reflects the state of the Printer Select input pin. It
is 1 when SELECT is high and 0 when SELECT is low.

FLT

This bit reflects the state of the Printer Fault input pin. It
is 1 when FAULT* is low and 0 when FAULT* is high.

ACK

This bit reflects the state of the Printer Acknowledge input
pin. It is 1 when ACK* is low and 0 when ACK* is high.

PINT

Printer Interrupt Status. When this bit is high, an interrupt
is being generated at the level programmed in one or more
of the Printer Interrupt Control Registers. The interrupt
may come from one or more printer status pins.

ADR/SIZ

$FFF42036 (8 bits)

BIT

15

14

13

12

11

10

9

8

NAME

PINT

ACK

FLT

SEL

PE

BSY

OPER

R

R

R

R

R

R

R

R

RESET

X

0

0

X

X

X

X

X

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